Solheim Manufacturing Science & Technology Laboratory

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1 M. Ramulu, Anirudh K. Iyer, Jeffrey L. Miller, “Characterization of Composite Dust  Generated During Milling of CFRP Composites” International Journal of Automation  Technology, (accepted)
2 P.Edwards and M. Ramulu, “Comparative Study of Fatigue and Fracture in Friction Stir and Electron Beam Welds of 24 mm Thick Titanium Alloy Ti-6Al-4V” Fatigue and Fracture of Engineering Materials and Structures, 4 MAR 2016, DOI: 10.1111/ffe.12434
3 M. Ramulu, V. Isvilonanda, R.Pahuja and M. Hashish, “ Experimental Investigation of Abrasive Waterjet Machining of Titanium Graphite Laminates” International Journal of Automation Technology, Vol.10 No.3, 2016, pp.392-400
4 P.Edwards and M. Ramulu, “ Surface Residual Stresses in Ti-6Al-4V Friction Stir Welds: Pre- and Post  Thermal Stress relief” Journal of Materials Engineering and Performance “  Vol.22, No.10, 2015,pp.3263-3270
5 D.G. Sanders, P. Edwards, A.M. Cantrell, K. Gangwar, M. Ramulu, “Friction Stir Welded Titanium Alloy Ti-6Al-4V: Microstructure, Mechanical and Fracture Properties”, JOM, Vol.67, No.5,  2015, pp.1054-1063
6 P. Edwards and M. Ramulu., “ Effect of Build Direction on the Fracture Toughness and Fatigue Crack Growth in Selective Laser Melted Ti-6Al-4V” ,  Fatigue & Fracture of Engineering Materials & Structures  Vol.38, No.10, 201, pp.1228-1236
7 P.Edwards and M. Ramulu, “”Fracture Toughness and Fatigue Crack Growth in Ti-6Al-4V Friction Stir Welds”  Fatigue & Fracture of Engineering Materials & Structures, Vol.38, 2015, pp.970-982
8 P. D. Edwards and M. Ramulu., “Fatigue Performance of Friction Stir Welded Ti-6Al-4V Subjected to Various Post Weld Heat Treatment Temperatures”, International Journal of Fatigue, Vol.75, 2015, pp.19-27
9 A.O’Connor and M. Ramulu, “A Mechanistic Model for End Milling Cutting Forces in Brittle Porous Material” Advanced Materials Research, Vol.1082, 2015, pp.143-151
10 P.D. Edwards and M. Ramulu., “ Material Flow During Friction Stir Welding of Ti-6Al-4V” Journal of Material Processing Technology.Vol. 218, No.4, 2015, pp.107-115
11 P.Edwards and M. Ramulu, “Fatigue Performance of Friction Stir Welded Titanium Structural Joints” International Journal of Fatigue, Vol. 70, 2015, pp.171-177
12 J. Davis and M. Ramulu, “ A Study of the Residual Stress Induced by Shot Peening for an Isotropic Material Based on Prager’s Yield Criterion for Combined Stresses”, Meccaanica,       Vl.50,2015,pp.1593-1604o
13 E.D. Eneyew and M. Ramulu, “Experimental Study of Surface Quality and Damage when Drilling Unidirectional CFRP Composites” Journal of Materials Research & Technology, Vol.3, No.4, 2014, pp. 354-362
14 M. Ramulu, P. Labossioure and T. Greenwell,”Full-Field Strain Behavior of Friction Stir Welded Titanium Alloy by Digital Image Correlation” Applied Mechanics and Materials, Vol. 692, 2014,-pp. 490-496
15 E.D.Eneyew and M. Ramulu,”On-line Monitoring of Drill Wear using Air-coupled Audio Microphone When Drilling Composite Materials”, Applied Mechanics and Materials, Vol. 590, 2014, pp 645-650
16 P.Edwards and M. Ramulu, “”Fatigue Performance Evaluation of Selective Laser Melted Ti-6Al-4V”  Materials Science & Engineering A., Vol.598, 2014, pp.327-337
17 P.Edwards, A.O’Conner and M. Ramulu, “Electron Beam Additive Manufacturing of Titanium Components: Properties and Performance”, ASME Journal of Manufacturing Science And Engineering, Vol.135, Dec, 2013, pp.-061016-1-061016-7, doi:10.1115/1.4025773
18 J.Davis and M. Ramulu, “A  Semi-Analytical Model of Time Dependent Plastic Strains Induced During Shot Peening” International Journal of Applied Mechanics, Vol.5, No.3 (September), 2013, DOI: 10.1142/S1758825113500270
19 E.D.Eneyew and M. Ramulu, “ Effect of Surface Ply on the Quality of the Hole when Drilling Multi-Directional CFRP Composites”, Applied Mechanics and Materials, Vol. 330, 2013, pp. 117-122
20 E.D.Eneyew and M. Ramulu,”Tool Wear Monitoring Using Microphone Signals and Recurrence Quantification Analysis when Drilling Composites”, Advanced Materials Research, Vol.711, 2013, pp. 239-244
21 J. Miller, Eshetu D. Eneyew, M. Ramulu, “ Machining and Drilling of CFRP Composites,  SAMPE Journal, Vol.49, March/Apr 2013, pp.36-46
22 A.O’Connor, J. Miller and M. Ramulu, “Evaluation of Substrates for Rapid Tooling Applications” SAMPE Journal, Vol.49, Jan/Feb 2013, pp.34-39
23 Daniel G.Sanders and M. Ramulu, “ Friction Stir Welding Combined With Superplastic Forming For Monolithic Titanium Aircraft Structure:  Influence Of Post Welding Thermal Treatments On Weld Nugget Residual Stress”, Materials Science Forum, Vol.735, 2013, pp.395-402
24 S. Gururaja, M. Ramulu and W. Pedersen, “Machining of MMCs: A Review,”Machining Science and Technology, Vol.17, No. 1, 2013, pp 41-73
25 D.Kim, C.Sturtvant and M. Ramulu,”Usage of PCD Tool in Drilling of Titanium/Graphite Hybrid Composite Laminate” International Journal of Machining and Machinability of Materials, Vol.13, No. 2/3, 2013, pp.276-288
26 M. Ramulu, M.Spaulding,and P.Laxminarayana,”Cutting Characteristics of Titanium Graphite Composite by Wire Electrical Discharge Machining” Advanced Materials Research, Vol.630, 2012, pp114-120
27 A.Chillman, M. Hashish and M. Ramulu,”Energy Based Modeling Of Ultra High-Pressure Waterjet Surface Preparation Processes”  ASME Journal of Pressure Vessel Technology, Vol.133, No.6, 2011, pp.061205-1-6
28 M. Ramulu, and M. Beck, “ Investigation of Wear Behavior of Laser Cladded Low Carbon Steel Using Inconel 625 Nanopowder”, Journal of Materials Science and Engineering, Vol. 5, No.3,  2011, pp.323-331
29 D. Kim, Y.H.Kim, S. Gururaja,and M. Ramulu., “ Processing and Fiber Content Effects on the Machinability of Compression Moulded Random Direction Short GFRP Composites”, International Journal of Automotive Technology, Vol.11, No.6, 2010, pp. 849-855
30 S. Gururaja and M. Ramulu, “Analytical formulation of subsurface stresses during Orthogonal cutting of FRP”,  Composites: Part A, Vol.41, No.9, 2010, pp.1164-1173
31 P. Edwards and M. Ramulu., “Peak Temperatures during Friction Stir Welding of Ti-6Al-4V”  Science and Technology of Welding & Joining, Vol.15, No.6, 2010, pp. 468-472
32 D. G. Sanders. M. Ramulu, P.D. Edwards, and A. Cantrell., “Effect on the Surface texture, Superplastic Forming and Fatigue Performance of Titanium 6Al-4V  Friction Stir Welds”, Journal of Materials Engineering and Performance, Vol.19, No. 4, 2010, pp.503-509
33 P. D. Edwards, D. G. Sanders, M. Ramulu, “Simulation of tensile behavior in Friction Stir Welded and Superplastically formed-titanium 6 Al-4V alloy”Journal of Materials Engineering and Performance, Vol.19, No. 4, 2010, pp.510-514
34 D. Sanders , P. Edwards, G. Grant, M. Ramulu , A. Reynolds, “ Superplastically formed Friction Stir Welded Tailored Aluminum and Titanium Blanks for Aerospace Applications”, Journal of Materials Engineering and Performance, Vol.19, No. 4, 2010, pp.515-520
35 P. D. Edwards, D.G. Sanders, M. Ramulu, G. Grant, T. Trapp and P. Comley, “Thinning Behavior Simulations In Superplastic Forming Of Friction Stir Processed Titanium 6Al-4V”, Journal of Materials Engineering and Performance, Vol.19, No. 4, 2010, pp.481-487
36 P.Edwards and M. Ramulu, “Identification of Process Parameters for Ti-6Al-4V Alloy Friction Stir Welding” ASME Journal of Engineering Materials and Technology, Vol.132, No. 3, 2010, pp.031006-1to 031006-10
37 A. Chillman, M. Ramulu, and M. Hashish., “ Waterjet and Water-Air Jet Surface Processing of a Titanium Alloy: A Parametric Evaluation” ASME Journal of Manufacturing Science and Engineering, Vol.132, No.1, 2010, pp. 011012
38 P.Edwards, M. Petersen, M. Ramulu, R. Boyer., “ Mechanical Performance of Heat treated Ti-6Al-4V Friction Stir Welds” Key Engineering Materials, Vol. 436, 2010, pp. 213-221
39 M. Ramulu, P. Edwards, D.G. Sanders, A.P. Reynolds and T. Trapp,” Tensile Properties of Friction Stir welded Ti-6AL-4V Butt Joints”, Materials & Design, Vol. 30, 2010, pp.3056-306
40 M. Ramulu, P. Labossioure and T. Greenwell, “Elastic-Plastic Stress/Strain Response of Friction Stir-Welded Titanium Butt Joints Using Moire Interferometry, Optics and Lasers in Engineering, Vol.48, No.3, 2010, pp.385-392
41  D. Sanders, P. Edwards, M. Ramulu, and G. Grant,  “Optimization of Friction Stir Welding Process for Superplastic Forming and Improved Surface Texture for Titanium Aerospace Structures” Key Engineering Materials, Vol. 433, 2010, pp. 153-167
42 A. Chillman, M. Ramulu, M. Hashish, and A. Cantrell, “High Pressure Waterjets ““ An Innovative Means of Alpha Case Removal for Superplastically Formed Titanium Alloys” Key Engineering Materials, Vol. 433, 2010, pp. 103-111
43 P. Edwards, M. Ramulu and D. Sanders “Superplastic Behavior and Microstructure of Titanium (Ti-6Al-4V) Friction Stir Welds Made Under a Variety of Processing Conditions” Key Engineering Materials, Vol. 433, 2010, pp. 169-176
44 A. Terry, M. Ramulu, and P.N. Rao, “A Method for Determining Tool Group Flexibility with Uncertain Machine Availability – Applications in a Semiconductor Manufacturing Process” Journal of Mechanical Engineering, Vol. 6, No. 1, April 2009, pp 19 – 42
45 J. Hoksbergen, M. Ramulu, P. Reinhall, and T. Briggs, “ Comparing the Vibration Characteristics of Carbon Fiber Reinforced Plate to Magnesium Plate”, Journal of Applied Composites, Vol.16, No. 5, 2009, pp. 263-284
46 P. D. Edwards and M. Ramulu., “Effect of Process Conditions on Superplastic Forming Behavior in Titanium 6Al-4V Friction Stir Welds” Science and Technology of Welding & Joining.Vol. 14, No.7, 2009, pp. 669-680
47 P.D. Edwards and M. Ramulu., “ Investigation of Microstructure, Surface and Subsurface Characteristics in Titanium Alloy Friction Stir Welds of Varied Thickness” Science and Technology of Welding & Joining.Vol. 14, No.5, 2009, pp.476-483
48 T. M. Briggs, and M. Ramulu, “Edge Finishing  Effects on the Impact Behavior of Chopped GFRP Composites “Experimental Mechanics, Vol.50, No.3, 2010, pp. 321-331
49 S. Gururaja and M. Ramulu. Failure analysis of a fibrous composite half-space subjected to uniform surface line load. ASME Journal of EngineeringMaterials Technology, Vol. 131, No.2, 2009, pp.021013 (8 pages)
50 S. Gururaja and M. Ramulu, “Modified Exit-Ply Delamination Drill Model for FRPs “ Journal of Composite Materials, Vol.43, No.5, 2009, pp.483-500
51 D.G. Sanders, M. Ramulu, E.J. Klock-McCook, P.D. Edwards, A.P. Reynolds, and T. Trapp, “Characterization of Superplastically Formed Friction StirWeld in Titanium 6AL-4V: Preliminary Results”, Journal of Materials Engineering and Performance, Vo. 17, No.2, 2008, pp. 187-192
52 D. Sanders, M. Ramulu, P.Edwards, “Superplastic Forming of Friction Stir Welds in Titanium Alloy 6Al-4V: preliminary results”, Mat.-wiss. U. Werkstofftech. Vol.39, No. 4, 2008, pp.1-5
53 S. Kunaporn, A. Chillman, M.Ramulu, and M. Hashish “Effect of Waterjet Formation on Surface Preparation and Profiling of Aluminum Alloy” Wear,Vol.265, 2008, pp.176-185.
54 M. Ramulu, D. Kim, H. Kao and P.N.Rao, “Experimental Modeling and Analysis of Drilling (Al2O3)p/6061 Metal Matrix Composites Using PCD Tool” International Journal of Materials and Product Technolog, Vol.32, No.1, 2008, pp.20-40
55 D. Kim and M. Ramulu, “Study On The Drilling Of Titanium/Graphite Hybrid Composites,  ASME Journal of Engineering Materials and Technology, Vol.129, No. 2, 2007, pp. 390-396
56 Franna Pitt and M. Ramulu, “Post-Processing Effect on the Fatigue Behavior of Three Titanium Alloys under Simulated SPF Conditions”, Journal of Materials Engineering and Performance, Vol. 16, No.2, 2007, pp.163-169
57 Franna Pitt and M. Ramulu, “Experimental and Numerical Simulation of Tensile Behavior and Failure of Titanium Alloys Under Simulated  SPF Post-Processing Conditions”, Journal of Materials Engineering and Performance, Vol. 16, No.2, 2007, pp.155-162.
58 Franna Pitt, S. Young  and M. Ramulu, “ Post Processing Effects on the Fatigue Crack Propagation and Performance of Titanium (Ti-6Al-4V) Alloy After Simulated Superplastic Forming Conditions”, NAMRI/SME Transactions, Vol. 35, 2007, pp.367-374.
59 A. Chillman, M. Ramulu and M. Hashish, “Waterjet Peening And Surface Preparation At 600mpa: A Preliminary Experimental Study”  ASME Journal Fluids Engineering, Vol.129, No.2, 2007, pp.485-490
60 S.Bernhardt, M. Ramulu And A.S. Kobayashi, “Low-Velocity Impact Response Characterization Of A Hybrid Titanium Composite Laminate” ASME Journal of Engineering Materials and Technology, Vol.129, No.2, 2007, pp.220-226
61 Patrick B. Stickler, and M. Ramulu, “Experimental Study of Composite T-Joints Under Tensile and Shear Loading” Advanced Composite Materials, Vol.15, No.2, 2006, pp.193-210
62 Patrick B. Stickler, and M. Ramulu, “Damage Progression Analyses of Transverse Stitched T-Joints Under Flexure and Tensile Loading” Advanced Composite Materials, Vol.15, No.2, 2006, pp.243-261
63 Y.W.Seo, D. Kim and, M. Ramulu “”Electrical Discharge Machining of Functionally Graded 15-35% Vol% SiC/Al Composites,” Materials and Manufacturing Processes, Vol.21, No.5, 2006, pp.470-487
64 F. Pitt and M. Ramulu, “Experimental Investigation Of Superplastic Forming Conditions On The Oxygen Absorption In Titanium” Transactions of NAMRI/SME, Vol. 34, 2006, pp. 39-46
65 T.Honda, M. Ramulu and A.S. Kobayashi, “Fatigue of shot peened 7075-T7351 SENB specimen ““ A 3-D analysis” Fatigue & Fracture of Engineering Materials and Structures, Vol.29, No.6, 2006 ,pp. 416-424
66 W. Pedersen and M. Ramulu, “Facing SiCp/Mg Metal Matrix Composites with Carbide Tools” Journal of Materials Processing Technology, Vol.172, No. 3, 2006, pp.417-423
67 Spitsen, R., Kim, D., Flinn, B., Ramulu, M., and Easterbrook, E.T.,”The Effects of Post-Weld Cold Working Processes on the Fatigue Strength of Low Carbon Steel Resistance Spot Welds,” ASME Journal of Manufacturing Science and Engineering, Vol. 127,N. 4, 2005, pp.718-723
68 W.E. Pedersen and M. Ramulu, “Proposed Tool Wear Model for Machining Particle Reinforced Metal Matrix Composites” Transactions of NAMRI/SME, Vol. 33, 2005, pp.549-556
69 D. Kim, M. Ramulu, and W. Pedersen “Machinability of Titanium/Graphite Hybrid Composite Drilling”, Transactions of NAMRI/SME, Vol. 33, 2005, pp.445-452
70 T.Honda, M. Ramulu and A.S. Kobayashi, “Shot Peening and Fatigue Crack Growth in 7075-T7351 Aluminum”, Key Engineering Materials, Vol.297, 2005, pp.72-77
71 M.K.Han and M. Ramulu, “ Fatigue life Prediction of Ship Welded Material” Key Engineering Materials, Vol.297-300, 2005, pp.1565-1571
72 M.K.Han and M. Ramulu, “ Mixed Mode Fatigue Crack Propagation in 7075-T6 Aluminum Sheet Material” Key Engineering Materials, Vol.297-300, 2005, pp.743-749
73 T.Honda, M. Ramulu and A.S. Kobayashi, “Effect of Shot Peening on Fatigue Crack growth in 7075-T7351”  The Journal of  ASTM International,Vol.2, N0.6, 2005, pp.1-14
74    D.Kim, M. Ramulu and X.Doan, “ Influence of Consolidation Process on the Drilling Performance and Machinability of PIXA-M and PEEK Thermoplastic Composites” Journal of Thermoplastic Composite Materials, Vol.18,No. 3, 2005, pp.195-217
75 S. Kunaporn, M. Ramulu and M. Hashish, “Mathemateical Modeling of Ultrahigh Pressure Waterjet Peening” ASME J of Engineering Materials and Technology, Vol.127, No.2, 2005, pp.186-191
76 M. Ramulu, “Ultrasonic Machining Effects on the Surface Finish and Strength of Silicon Carbide Ceramics  International Journal of Manufacturing Technology and Management, Vol. 7, No.2/3/4, 2005, pp.107-126
77 D. Kim, and M. Ramulu, “Frequency Analysis and Process Monitoring in Drilling of Composite Materials,” Advanced Composites Letters, Vol.13, No.4, 2004, pp.185-192
78 D.G.Sanders and M. Ramulu, “Examination of Superplastc Forming Combined with Diffusion Bonding for Titanium: Perspective from Experience”, Journal of Materials Engineering and Performance, Vol. 13, No.6, 2004, pp.744-752
79 F. Pitt and M. Ramulu, “ Influence of Grain size and Microstructure on  Oxidation Rates in Titanium Alloy, Ti-6Al-4V Under Superplastic Forming Conditions” Journal of Materials Engineering and Performance, Vol. 13, No.6, 2004, pp.727-734
80 F. Pitt, M. Ramulu, P.Labossiere and S. Young,” Post Processing Effect on the Ductility and Flexural Behavior of Three Titanium Alloys under Simulated Superplastic Forming Conditions”, Journal of Materials Engineering and Performance, Vol. 13, No.6, 2004, pp.735-743
81 J.Arnold, M. Ramulu and P.N.Rao,” Importance of Assembly Simulation as aid for Process Planning for an Aircraft Assembly Operation ““ Perspective from Experience”, International Journal of Manufacturing Technology and Management,  Vol.6, No.5, 2004, pp.434-456
82 Y.W.Seo , M. Ramulu,and D. Kim “ Surface Characteristics of Abrasive Waterjet Machined Titanium Alloy”, The Journal of Jet Flow Engineering, Vol.21, No.2, 2004, pp.13-21
83 Y.W.Seo, M. Ramulu and M.Hashish, “Some Aspects in Abrasive Waterjet Machining of Polymer Composites”, The Journal of Jet Flow Engineering, Vol.21, No.2, 2004, pp.4-12
84 M. Ramulu and J. Kramlich., “Machining Of Fiber Reinforced Composites: Review Of Environmental And Health Effects” International journal of Environmentally Conscious Manufacturing, Vol. 11, No.4, 2004, pp. 1-19
85 S. Kunaporn, M. Ramulu, M.Hashish and M.G.Jenkins, “Residual stress induced by waterjet peening:  A finite element analysis” ASME Journal of Pressure Vessel Technology , Vol.126, No.3, 2004, pp.333-340
86 M. Ramulu , P.B. Stickler, N.S. McDevitt,  I.P. Datar, D. Kim and M.G.Jenkins  , “Influence of processing methods on the tensile and flexure properties of high temperature composites” Journal of Composites Science and Technology, Vol. 64, No. 12, 2004, pp. 1763-1772
87 M.Ramulu, S.-Y.Kuo, Y.M.Chen, D.Kim and R.Spitsen,” Cutting Characteristics of Preform and SMC Composites”, Transactions of NAMRI/SME, Vol. XXX1I,2004, pp.239 – 246
88 D.Kim and M. Ramulu, “Cryogenically Treated Carbide Tool Performance in Drilling Thermoplastic Composites”, Transactions of NAMRI/SME, Vol. XXX1I,2004, 79 – 85
89 W.E.Pedersen and M. Ramulu,” A Study of Varying Reinforcement in SiC/Al with Solid Carbide and Carbide Tipped Drills”, Transactions of NAMRI/SME, Vol. XXX1I,2004, pp.279 – 286
90 D.Kim and M. Ramulu, “Drilling Process Optimization for Graphite/Bismaleimide-Titanium Alloy Stacks” Composite Structures, Vol.63, No.1, 2004, pp.101-114
91 P.B. Stickler, M. Ramulu, S.L. Coguill, and M.E. Tuttle “Experimental Investigation of T-300/PR520 Laminate Properties and Failure Analysis” Journal of Advanced Materials, Vol. 36, No.1, 2004, pp.3-11
92 Y.W.Seo, M. Ramulu and D.Kim, “ Machinability of Titanium Alloy (Ti-6Al-4V) by Abrasive Waterjets”, Proc. Instn Mech .Enggrs, PartB: Journal of Engineering Manufacture, Vol. 217, December, 2003, pp. 1709-1721
93 M. Ramulu, D.Kim and G. Choi, “Frequency Analysis and Characterization in Orthogonal Cutting of Glass Fiber Reinforced Composites” Composites Part A: Applications and Manufacturing, Vol.34, No.10, 2003, pp. 949-962
94 Brian C..Fabien, M. Ramulu and M. Tremblay, “Dynamic Modeling and Identification of a Water Jet Cutting System”, Mathematical and Compute Modelling of Dynamical Systems , Vol.9, No.1, 2003, pp.45-63
95 W.Pedersen and M. Ramulu ,  “ Experimental Analysis of Turning Centrifugally Cast SiCp Aluminum Metal Matrix Composites with PCD and Thick Film CVD Diamond Tools” Transactions of NAMRI/SME, Vol. XXX1,2003, pp.177-184
96 M.Ramulu, D.Kim, H. Kao, and P.N.Rao, “ Experimental Study of PCD Performance in Drilling (Al2O3 p/6061) Metal Matrix composite” Transactions of NAMRI/SME, Vol. XXX1,2003, pp 169-176.
97 D.Kim, M. Ramulu W.Pedersen, and Y.W.Seo,   “ EDM Characteristics of 15 and 35 Vol% SiCp /Al Metal Matrix Composites” Transactions of NAMRI/SME, Vol. XXX1, 2003,pp.241-248
98 P.B. Stickler and M. Ramulu, “ Parametric Analysis of Stitched Composite T-joint by Finite Elements” Materials & Design , Vol.23, No.8, 2002, pp.751-758
99 M. Ramulu, P.N. Rao and H.Kao. “ Drilling of (Al2O3)p/ 6061 Composites”, Journal of  Materials Processing and Technology, Vol.124, No.1-2, 2002, pp.244-254
100 A.F. Cantelli, A.Arguelles, J. Vina, M. Ramulu and A.S. Kobayashi, “ Dynamic Fracture Toughness Measurements in Composites by Instrumented Charpy Testing: Influence of Aging” Composites Science and Technology, Vol.62, No. 2, 2002, pp.1315-1325
101 D. Arola , M. Sultan and M. Ramulu, “ Finite Element Modeling of Orthogonal Cutting of Composites” ASME Journal of Manufacturing Science and Engineering.Vol.124, No.1, 2002, pp.32-41
102 D. Arola , M. L. McCain, S.Kunaporn and M. Ramulu,” Waterjet And Abrasive Waterjet Surface Treatment of Titanium: A Comparison Of Surface Texture And Residual Stress” Wear, Vol.249, No.-, 2002, 943-950
103 Z.Guo And M. Ramulu, “Investigation Of Displacement Fields In  Abrasive Waterjet Drilling Processpart II: Numerical Analysis” Experimental Mechanics, Vol.41, No.4, 2001, pp. 388-402
104 Z.Guo And M. Ramulu, “Investigation Of Displacement Fields In  Abrasive Waterjet Drilling Processpart I: Experimental Measurements” Experimental Mechanics, Vol.41, No.4, 2001, pp. 375 – 387
105 M. Ramulu, G.Paul and J. Patel, “EDM Effects On Surface Integrity of15 Vol% Sicp/A356 Al Composite” Composite Structures, Vol.54, No.1, 2001, pp.79-86
106 M. Ramulu, T. Branson, and Dae-Wook Kim, “An Experimental Study On The Drilling Of Graphite/Bismaleimide Composite and Titanium Stacks” Composite Structures, Vol.54, No.1, 2001, pp.67-77
107 M. Ramulu, S. Kunaporn, M.G.Jenkins, M. Hashish and J. Hopkins.,” Fatigue Performance of Waterjet Peened Aluminum Alloy”. ASME Journal of Pressure Vessel Technology, Vol.123, No.1, 2002, pp.118-123
108 W. E. Pedersen, and M. Ramulu, “An Experimental Investigation Into The Oblique Facing Of Sicp/Mg Metal Matrix Composite” Transactions of NAMRI/SME, Vol. XXIX, 2001, pp. 183-188
109 Sharon M. Hayes, M. Ramulu, and W. E. Pedersen.” Machining Characteristics Of A Titanium Metal Matrix Composite” Transactions of NAMRI/SME, Vol. XXIX, 2001, pp. 189-196
110 P.B. Stickler, and M. Ramulu “ Investigation of Mechanical Behavior of Transverse Stitched T-joints with PR520 Resin in Flexure and Tension,” Composite Structures, Vol.52, No.2, 2001, pp.307-314
111 G. Heike, M. Ramulu, E. Sorenson, P. Shanahan, and K. Moinzadeh, “ Mixed model assembly alternatives for low-volume manufacturing: the case of the aerospace industry”, International Journal of Production Economics, Vol. 72, 2001, pp.103-120
112 P.B. Stickler, M. Ramulu and B.P. Van West.,  “ Transverse Stitched T-joints in Bending with PR520 Resin: Initial Results,” Journal of Reinforced Plastics and Composites, Vol.20, No.1, 2001, pp. 65-75
113 M. Ramulu, M. G. Jenkins and Z. Guo, “Abrasive waterjet Drilling and Cutting Mechanisms n Continuous-fiber Ceramic Composites, “ ASTM Journal of Composites Technology & Research, Vol.23, No.2, 2001, pp.82-91
114 Z. Guo, M. Ramulu and M.G. Jenkins. “ Experimental and Numerical Analysis of Displacement Fields upon AWJ  Contact”,  Optics and Lasers in Engineering, Vol. 33, No.2, 2000, pp. 121-139
115 P.B. Stickler, M. Ramulu and P.S. Johnson. “Experimental and Numerical Analysis of Transverse Stitched T-joints in Bending,” Composite Structures, Vol.50, No.1, 2000, pp.17-27
116 M. Ramulu, S. Kunaporn, D.Arola, M. Hashish and H.Jordon.,” Waterjet Machining and Peening of Metals” ASME Journal of Pressure Vessel Technology, Vol 122, no.1, 2000, pp.90-95
117 M. Ramulu, M. G. Jenkins and S. Kunaporn, “ Modeling of Surface Finish and Notch Effects on Strength Predictions of Continuous Fiber Ceramic Composites (CFCCs)” Mechanical, Thermal and Environmental Testing and Performance of Ceramic Composites and Composites, ASTM STP 1392 2000, pp. 160 – 171
118 K. Colligan and M. Ramulu, “Edge Trimming of Graphite/Epoxy Composite Material with Diamond Abrasive Cutters,” ASME Journal of Manufacturing Science and Engineering, Vol.121, No.4, 1999, pp.647-656
119 M. Ramulu, P. Young and H. Kao, “ Drilling of Graphite/Bismaleimide Composite Material” Journal of Materials Engineering and Performance , Vol.8, No.3, 1999, pp.330-338
120 M. Ramulu, S. Kunaporn, M.G. Jenkins, M. Hashish and J. Hopkins. “ Peening with High Pressure Waterjets” SAE Technical Paper 1999-01-2285 and published in SAE Transactions1999-01-2285
121 D.Arola, M. B. Sultan and M. Ramulu, “A Finite Element Analysis of Chip Formation in the Machining of Fiber Reinforced Plastics”  Transactions of NAMRI/SME, Vol. XXVII, 1999,  pp. 93 – 98
122 D.Arola and M. Ramulu, “An Examination of the Effects from Surface Texture on the Strength of Fiber Reinforced Plastics” Journal of Composite Materials, Vol. 33, No.2, 1999, pp. 102-123
123 M. Ramulu, M.G. Jenkins, T.L.Stevens and J.salem, “ Wear Performance of Monolithic and Composite Mixing Tubes for Abrasive Waterjet Cutting of Advanced Ceramics” Ceramics Engineering and Science Proceedings  , Vol. 19, No.4, 1998, pp.45-54
124 D.Arola and M. Ramulu, “Net-Shape Machining and the Process Dependent Failure of Fiber Reinforced Plastics Under Static Loads” ASTM Journal of Composites Technology,  Vol.20, No. 4, 1998, pp.210-220
125 M. Ramulu, “”Machining and Surface Integrity of Fiber Reinforced Plastic Composites” Sadhana, Vol. 22, No. 3, 1997, pp.449-472
126 D. Arola and M. Ramulu .,”Material Removal in Abrasive Waterjet Machining of Metals, A Residual Stress Analysis” Wear, Vol. 211, No.2, 1997, pp. 302 – 310
127 D. Arola and M. Ramulu ., “Material Removal in Abrasive Waterjet Machining of Metals, Surface Integrity and Texture,” Wear, Vol. 210, No.2, 1997, pp. 50 – 58
128 R.Kovacevic, M. Hashish, R. Mohan, M. Ramulu, T.J. Kim, and E.S. Geskin “ State of the art of Research and Development in Abrasive Waterjet Machining” ASME Journal Manufacturing Science and Engineering ( Formerly known as Journal of Engineering for Industry), Vol. 119, No.4B, 1997, pp. 776-785
129 M. Ramulu, M.G. Jenkins and J.A. Daigneault, “Spark-Erosion Process Effects on the Properties and Performance of a TiB2 Particulate-Reinforced/SiC Matrix Ceramic Composite”, Ceramics Engineering and Science Proceedings,  Vol. 18, No. 3, 1997, pp. 227 – 238
130 D. Arola and M. Ramulu, “Net shape manufacturing and the performance of polymer composites under dynamic loads”  Experimental Mechanics,  Vol. 37, No.4, 1997, pp.379-385
131 C.W. Wern and M. Ramulu, “ Influence of Fiber on the Machining Stresses of Glass Fiber Reinforced Plastics” Journal of  Strain Analysis, Vol.32, No.1, 1997, pp. 19-27
132 M.Ramulu, N.Eswara Prasad,G.Malakondaiah, Z.Guo, “Secondary Processing Effects and Damage Mechanisms in CFCC,” Thermal and Mechanical Test Methods and Behavior of Continuous-Fiber Ceramic Composites, ASTM STP 1309, 1997, pp.274-288.
133 N. Eswara Prasad, M. Ramulu, and G. Malakondaiah, “ R-Curve Behaviour of Al-Li-Cu-(Mg) Alloys” ICFIX, Advances in Fracture, Vol. 5, Pergamon Press, edited by B.L. Karihaloo, Y.W.Mai, M.I.Ripley, and R.O.Ritchie, 1997, pp. 2487-2494
134 D. Arola and M. Ramulu, “ Orthogonal Cutting of Fiber-Reinforced Composites: A Finite Element Analysis”, International Journal of Mechanical Sciences,  Vol. 39, No.5, 1997, pp. 597-613
135 C. Durand, M. Ramulu, R.ST. Pierre, and J. Machan., “An Experimental Analysis of a Nd:YAG Laser Cutting Process for Machining Silicon Nitride” International Journal of Production Research,  Vol. 34, No.5, 1996, pp. 1417-1428.
136 D. Arola and M. Ramulu, “A Study of Kerf Characteristics in Abrasive Waterjet Machining of Graphite/Epoxy Composite” ASME Journal of Engineering Materials and Technology, Vol. 118, No. 2, 1996, pp.256-265
137 D. Arola, M. Ramulu, and D.H. Wang, “ Chip Formation in Ortogonal Trimming of Graphite/Epoxy Composite” Composites : Part A,  Vol. 27A, No.2, 1996, pp.121-133.
138 C.W. Wern, M. Ramulu and A. Shukla, “Preliminary Investigation of Stresses in the Orthogonal Cutting of Fiber Reinforced Plastics,”  Experimental Mechanics , Vol. 36, No.1, 1996, pp.33-41.
139 D.H. Wang, M. Ramulu and D. Arola., “Orthogonal Cutting Mechanisms in Graphite/Epoxy, Part ll: Multi-directional Laminate,” International Journal of Machine Tool & Manufacture .Vol. 35, No.12, 1995, pp.1639-1648.
140 D.H. Wang, M. Ramulu and D. Arola, “Orthogonal Cutting Mechanisms in  Graphite/Epoxy, Part l: Unidirectional Laminate,”  International Journal of Machine Tool & Manufacture, Vol. 35, No.12, 1995, pp.1623-1638.
141 D.H. Wang, C.W. Wern, M. Ramulu, and E. Rogers., “Cutting Edge Wear of Tungsten Carbide Tool in Continuous and Interrupted Cutting of a Polymer Composite,” Materials and Manufacturing Processes, Vol. 10, No. 3, 1995, pp.493-508
142 M. Hashish, M. Ramulu and S.P. Raju., “Abrasive Waterjet Cutting Front Characteristics in Machining of Glass,” Ceramic Transactions: Design for Manufacturability of Glass and Ceramics Vol. 50, 1995, 199-221.
143 M. Ramulu, M. G. Jenkins, S.P. Raju and K. Sakai., “A comparative Study of Machining of a 20 Vol% (TiB2)p/SiC Ceramic Composite,” Ceramic Transactions :Design for Manufacturability of Glass and Ceramics, Vol. 50, 1995, pp. 253-270.
144 D. Arola and M. Ramulu, “Machining Induced Surface Texture Effects on the Flexural Properties of Graphite/Epoxy Laminates,” Composites, Vol. 25, No. 8, 1994, pp. 822- 834.
145 D.M. Kim, C.W. Wern, M. Ramulu and M. Gahan, “Ultrasonic Drilling of Structural Ceramics,” Transactions of NAMR1/SME, Vol. XXII, 1994, pp. 195-199.
146 D. Arola and M . Ramulu, “Micro-mechanisms of Material Removal in Abrasive Waterjet Machining,” Processing of Advanced Materials, Vol. 4, No. 1, 1994, pp. 37-47.
147 M. Ramulu and E. Rogers, “Simulation of Router Action on a Lathe to Test the Cutting Tool Performance in Edge-Trimming of Graphite/Epoxy Composites,” Experimental Techniques, Vol. 18, No. 2, 1994, pp. 23-28.
148 M. Ramulu, C.W. Wern, and J.L. Garbini, “Effect of Fiber Direction on Surface Roughness of Machined Graphite/Epoxy Composite,” Composite Manufacturing, Vol. 4, No. 1, 1993, pp. 39-51.
149 M. Ramulu, S.P. Raju, H. Inoue, and J. Zeng, “Hydro-Abrasive Erosion Characteristics of 30 Vol. % SiCp/6061-T6 Composite at Shallow Angles,” Wear 166/1, 1993, pp. 55-63.
150 C.W. Wern, K. Colligan and M. Ramulu, “Geometrical Quality of Drilled Graphite/Epoxy Composite Holes,” Transactions of NAMRI/SME, Vol. XXI, 1993, pp. 111-118.
151 M. Ramulu, and D. Arola, “The Influence of Abrasive Waterjet Cutting Conditions on the Surface Quality of Graphite/Epoxy Laminates,” International Journal of Machine Tools and Manufacture, Vol. 34, No. 3, 1994, pp. 295-313.
152 W. Armstrong, M. Ramulu, and M. Taya, “Fabrication of W-1% ThO2 Reinforced Superalloy Matrix Composite,” ASME J. of Engineering Materials and Technology, Vol. 116, No. 1, 1994, pp. 106- 112.
153 M. Ramulu, “Dynamic Photoeleastic Investigation on the Mechanics of Waterjet and Abrasive Waterjet Machining,” Optics and Lasers in Engineering, Vol. 19, No. 1-3, 1993, pp. 43-65 .
154 C.W. Wern, M. Ramulu, and K. Colligan, “A Study of the Surface Texture of Composite Drilled Holes,” J. of Materials Processing Technology, Vol. 37, No. 1-4, February 1993, pp. 373-389.
155 M. Ramulu and D. Arola, “Waterjet and Abrasive Waterjet Cutting of Unidirectional Graphite/Epoxy Composite,” Composites, Vol. 24, No. 4, 1993, 299-308.
156 K. Colligan and M. Ramulu, “The Effect of Edge Trimming on Composite Surface Plies,” Manufacturing Review, Vol. 5, No. 4, 1992, pp. 274-283.
157 D.H. Wang, M. Ramulu, and C.W. Wern, “Orthogonal Cutting Characteristics of Graphite/Epoxy Composite,” Transactions of NAMRI/SME, Vol. XX, 1992, pp. 159-165.
158 J.L. Garbini, S-P-Koh, J.E. Jorgensen, and M. Ramulu, “Surface Profile Measurement During Turning Using Fringe-Field Capacitive Profilometry,” ASME J. of Dynamic Systems Measurements and Controls, Vol. 114, No. 2, 1992, pp. 234-243.
159 H. Inoue, M. Taya, and M. Ramulu, “Observation on the Fiber Direction and the Three- Dimensionality Cut Surface Condition of FRP by Using Waterjet Machine,” Reinforced Plastics, Vol. 36, No. 12, 1991, pp. 467-472 (Japanese).
160 M. Ramulu and K. P. Wong, “Preliminary Investigation of Abrasive Waterjet Piercing Process by Dynamic Photoelasticty,” International J. of Waterjet Technology, Vol. 1, No. 2, 1991, pp. 53-63.
161 M. Ramulu and J.L. Garbini, “EDM Machined Surface Characterization of a Ceramic Composite, TiB2/SiC,” ASME J. Eng Materials and Technology, Vol. 113, No. 4, 1991, pp. 437-442.
162 M. Ramulu, M. Faridinia, J.L. Garbini and J.E. Jorgensen, “Machining of Graphite/Epoxy Composite Material with Polycrystalline Diamond (PCD) Tools,” ASME J. Eng Materials and Technology, Vol. 113, No. 4, 1991, pp. 430-436.
163 T. Sakai, M. Ramulu, A. Ghosh, and R.C. Bradt, “A Fractal Approach to Crack Branching (Bifurcation) in Glass,” Ceramic Transactions: Fractography of Glasses and Ceramics II, Vol 17, 1991, pp. 131-146.
164 T. Sakai, M. Ramulu, and M. Suzuki, “Temperature and Humidity Effects on Fatigue Life Distributions of Carbon Steel ,” International Journal of Fatigue, Vo. 13, No. 2, 1991, pp. 117-125.
165 T. Sakai, M. Ramulu, A. Ghosh and R.C. Bradt, “Multiple Cascadation Fracture in a Laminated Safety Glass Panel,” International Journal of Fracture, Vol. 48, No. 6, 1991, pp. 46-69.
166 T. Sakai, M. Suzuki and M. Ramulu, “Effects of Atmospheric Conditions on Fatigue Life Distributions of Carbon Steel for Machine Structural Use,” JSME Transactions, Series A, Vol. 56, No. 528, 1990, pp. 55-63 (Japanese).
167 M. Ramulu, H.W. See, and D.H. Wang, “Machining of Ceramic Composite TiB2/SiC by Spark Erosion,” Manufacturing Review, Vol. 3, No. 2, 1990, pp. 123-129.
168 G. Hamatani and M. Ramulu, “Machinability of High Temperature Composites by Abrasive Waterjet,” ASME Journal of Engineering Materials and Technology, Vol. 112, No. 4, 1990, pp. 381-386.
169 M. Ramulu and M.P. Rubbert, “Gas Tungsten Arc Welding of Al-Li-Cu Alloy 2090,” Welding Journal, Vol. 69, No. 3, 1990, pp. 109S-114S.
170 R. Taggart, M. Ramulu, and T. Jolly, “Fatigue Crack Growth from an Artificial Flaw,” Journal of Material Science and Engineering, A119, 1989, pp. 73-80.
171 M. Ramulu, “Experimental Investigation of Subcritical Growth of a Surface Flaw,” Surface Crack Growth: Models, Experiments and Structures, ASTM STP, 1060, 1990, pp. 333-347.
172 M. Ramulu and M. Taya, “EDM Machinability of SiCw/AI Composites,” J. of Materials Sciences, Vol. 24, No. 3, pp. 1103-1108, 1989.
173 M. Ramulu, R.C. Bradt, A.S. Kobayashi and K.H. Yang, “A Dynamic Fracture Mechanics Interpretation of Multiple Mist Regions on Soda-Lime-Silicate Glass Fracture Surfaces,” Advances in Ceramics, Vol. 22, 1988, pp. 215-227.
174 M. Ramulu, “EDM Sinker Cutting of Ceramic Particulate Composite, SiC-TiB2 Advanced Ceramic Materials, Vol. 3, No. 4, 1988, pp. 324-327.
175 M. Ramulu and M.G. Jenkins, “A Notched Specimen for Short Fatigue Crack,” Experimental Techniques, Vol. 11, No. 6, 1987, pp. 32-34.
176 M. Ramulu, “Small Surface and Corner Crack Propagation in Aluminum and Steel Alloys,” Experimental Mechanics, Vol. 28, No. 2, 1988, pp. 214-220.
177 J. S. Hawong, A. S. Kobayashi, D. Mahayar, B. S.-J. Kang, and M. Ramulu, “Dynamic Crack Curving and Branching under Biaxial Loading” Experimental Mechanics, Vol. 27, No. 2, 1987, pp. 146-153.
178 M. Ramulu, “Small Fatigue Crack Growth From a Keyhole Notch,” Scripta Metallurgica, Vol. 21, No. 2, February 1987, pp. 187-190.
179 A.S. Kobayashi, M. Ramulu, M. S. Dadkhah, K-H. Yang and B.S-J. Kang, “Dynamic Fracture Toughness” International Journal of Fracture, Vol. 30, 1986, pp. 275-285.
180 M. Ramulu and A. S. Kobayashi, “Strain Energy Density Criteria for Dynamic Fracture and Dynamic Crack Branching,” Theoretical and Applied Fracture Mechanics, Vol. 5, No. 2, 1986, pp. 117-123.
181 M. Ramulu, A. S. Kobayashi and D. B. Barker “Analysis of Dynamic Mixed-Mode Crack Tip Stress Patterns,” Experimental Mechanics, Vol 25, No. 4, 1985, pp. 344-353.
182 A.S. Kobayashi and M. Ramulu. “Dynamic Fracture Analysis of Crack Curving and Branching,” Journal De Physique, No. 8, Tom 46, 1985, pp. C5-197-C5-206.
183 A. S. Kobayashi and M. Ramulu, “Dynamic Fracture Mechanics,” Journal of Aeronautical Society of India, (George R. Irwin Anniversary Volume), Vol. 37, No. 1, 1985, pp. 1-19.
184 M. Ramulu and A. S. Kobayashi, “Mechanics of Crack Curving and Branching – A Dynamic Fracture Analysis,” International Journal of Fracture, Vol. 27, No 3-4, 1985, pp. 187-201.
185 M. Ramulu and A. S. Kobayashi, “Criteria for Dynamic Crack Curving and Branching,” ICFVI, “ Advances in Fracture Research,” Vol. 5, Pergamon Press, edited by S.R. Valluri, D.M.R. Taplin, P. Rama Rao, J.F. Knott and R. Dubey. Pp. 3099-3107, 1984.
186 M. Ramulu, A. S. Kobayashi and B. S.-J. Kang, “Dynamic Crack Branching – A Photoelastic Evaluation,” Fracture Mechanics: ASTM STP 833, 1984, pp. 130-148.
187 M. Ramulu, A.S. Kobayashi and B. S.-J. Kang and D. B. Barker, “Further Studies on Dynamic Crack Branching,” Experimental Mechanics, Vol. 23, No. 4, 1983, pp. 431-438.
188 M. Ramulu and A.S. Kobayashi, “Strain Energy Density Fracture Criterion in Elastodynamic Mixed Mode Crack Propagation,” Engineering Fracture Mechanics, Vol. 18, No. 6, pp. 1087-1098, 1983.
189 M. Ramulu and A.S. Kobayashi, “Dynamic Crack Curving – A Photoelastic Evaluation,” Experimental Mechanics, Vol. 23, No. 1, 1983, pp. 1-9.
190 M. Ramulu, A.S. Kobayashi and B. S.-J. Kang; “Dynamic Crack Curving and Branching in Line-Pipe,” ASME Journal of Pressure Vessel Technology, November 1982, Vol. 104, pp. 317-322.
191 A.S. Kobayashi, M. Ramulu and S. Mall, “Impacted Notch Bend Specimens,” ASME Journal of Pressure Vessel Technology, February 1982, Vol 104, pp. 25-30.
192 A.S. Kobayashi and M. Ramulu, “Dynamic Stress Intensity Factors for Unsymmetric Dynamic Isochromatics,” Experimental Mechanics, Vol. 21, No. 1, 1981, pp. 41-48.