Forging

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Publications/ Papers
Reports
FEM Simulations
Short Courses
FIERF Die Wear Study

Papers & Publications in Forging

Note:

  • The contents of ERC/NSM papers are not available on our website. Unfortunately, we no longer distribute copies of our technical papers free of charge. As we receive large number of requests, the time and costs related to mailing our papers have become considerable.
  • We recommend that you try to obtain our nonproprietary publications from your local library. If you have urgent need for one of our publications, please send us your complete mailing address and a check to cover payment. Our charge is $7.50 per paper, which covers our copying and mailing costs. Checks should be made out to “ERC/NSM - The Ohio State University” and mailed to the attention of
    Dr. Taylan Altan
    Professor and Director, ERC/NSM
    339 Baker Systems, 1971 Neil Avenue
    Columbus, Ohio 43210
  • We apologize for the inconvenience. We will continue to provide complimenatry reports, papers and other information to companies and organizations that fund research at our Center and/or cooperate with us on research activities.

 


  • Cold & Warm Forging

  • Drawing & Extrusion

  • Equipment / Tooling / Instrumentation

  • FEM Analysis / Simulation

  • Friction / Lubrication

  • Hot Forging

  • Material Properties / Formability

  • Overview / General

  • Radial Forging, Rolling & Orbital Forging

    • Cold & Warm Forging
    Number Title Year
    598 Koc, M.; Culp, J.; Altan, T. "Prediction of Residual Stresses in Quenched Aluminum Blocks and Their Reduction Through Cold Forming", J.M.P.T., 2006, 342 2006
    571 Altan/ Shirgaokar "Application of Technology to Maintain Global Competitiveness in Forging" presented at the FIERF Conference, Nov 7-9, 2005, Chicago, IL 2005
    561 Shirgaokar, M. et. al. "New Developments in FEM Based Process Simulation to predict & Elliminate Material Failure in Cold Extrusion" submitted to Int. Conference on "Developments in Bulk Forming", Stuttgart, May 30- June 1, 2005 2005
    518 Shirgaokar, M., Ngaile, G. and Altan, T "State of Cold Forging Technology in Global Competition", Proceedings of the International Conference on "New Developments Bulk Forming 2003", Stuttgart, June 2-4, 2003 2003
    430 Altan, T. and Hannan, D. “Prediction and Elimination of Defects in Cold Forging Using Process Simulation” 10th Int. Cold Forging Congress, Sept 13-15, 2000, Stuttgart. 2000
    407 Vazquez, V. and Altan, T. “Prediction of Ductile Fracture in Forward Extrusion with Spherical Dies” NAMRC 2000, May 2000, p. 57 2000
    382 Vazquez, V., and Altan, T., “Die Designs for Flashless Forging of Complex Parts”, J. of Materials Processing Technology, V 98, No.1, Jan 15, 2000, p.81 2000
    311 Breitling, J., Chernauskas, V., Taupin, E., and Altan, T., "Precision Shearing of Billets - Special Equipment and Process Simulation", J. Materials Processing Technology, v. 71, 1997, p. 119 1997
    294 Vazquez, V., Sweeney, K., Wallace, D., Wolff, C., Ober, M., and Altan, T., “Tooling and Process Design to Cold Forge a Cross Groove Inner Race for a Constant Velocity Joint -Physical Modeling and FEM Process Simulation”, J. of Materials Processing Technol 1996
    293 O’Connell, M., Painter, B., Maul, G., and Altan, T., “Flashless Closed-Die Upset Forging - Load Estimation for Optimal Cold Header Selection”, J. of Materials Processing Technology, 1996, vol. 59, nos. 1-2, pp. 81 1996
    270 Kim, H., and Altan, T. “Cold Forging of Steel - Practical Examples of Computerized Parts/Process Design” J. Materials Processing Technology, 1996, vol. 59, nos. 1-2, pp. 122 1996
    259 Kim, H., Lee, S.M. and Altan, T. “Prediction of Hardness Distribution in Cold Backward Extruded Cups, J. of Materials Processing Technology, 1996, vol. 59, nos. 1-2, pp. 113 1996
    265 Altan, T., Sweeney, Vazquez, V., K., Kim, H. and Knoerr, M. “Cold Forging of Complex Shaped Parts to Close Tolerances - Application of Metal Flow Simulation to Process & Tool Design” submitted to 9th International Cold Forging Conference, May 22-26, 1995, 1995
    260 Kim, H., Yamanaka, M. and Altan, T. “Prediction and Elimination of Ductile Fracture in Cold Forging Using FEM Simulations”, Proceedings of NAMRC, May 1995, Houghton, Michigan, Society of Manufacturing Engineers, page 63 1995
    212 Kim, H., Sevenler, K., and Altan, T. “Computer Aided Part and Processing Sequence Design in Cold Forging”, J. of Materials Processing Technology, 1992, Vol. 33(1-2) pp. 57-76 1992
    190 Sevenler, K., Kim, H., and Altan, T., “Computer Applications in Cold Forging: Product Design and Determination of Forming Sequences”, Proceedings of the International Conference on Cold Forging, Nuremberg, p. 209, Sept. 17-18, 1990 1989
    138 Sevenler, K., Raghupathi, P. S. and Altan, T., "Forming Sequence Design for Multi-Stage Cold Forging," J. of Mechanical Working Technology, 14, (1987), pp. 121-135. 1987
    141 Sevenler, K., Raghupathi, P. S., Altan, T. and Miller, R. A.,"Knowledge- Based Systems Approach to Forming Sequence Design for Cold Forging," in "Knowledge-based Expert Systems for Manufacturing" (S.C.Y. We and R. Komanduri, eds) PED-Vol. 24, ASME Winter 1986
    018 Altan, T. and Becker, J.R., "Prediction of Punch Loads and Pressures in Cold Extrusion of Steel," SME Technical Paper, MF72-142, presented at the 1972 SME Conference, April, 1972, Chicago. 1972

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    Drawing & Extrusion
    Number Title Year
    197 Udagawa, T., Kropp, E. and Altan, T. “Investigation of Metal Flow and Temperatures by FEM in Extrusion of Ti-6Al-4V Tubes”, J. of Materials Processing Technology, 1992, Vol. 33(1-2), pg. 155-174 1992
    075 Nagpal, V., Billhardt, C. F. and Altan, T., "Lubricated Extrusion of "T" Sections from Aluminum, Titanium and Steel Using Computer-Aided Techniques," ASME Trans., J. Engr. Industry, August, 1979, Vol. 101, p. 319. ' 1979
    071 Nagpal, V., Billhardt, C. F. and Altan, T., "Automated Design of Extrusion Dies by Computer," Light Metal Age, December, 1977. p. 16. 1977
    065 Nagpal, V. and Altan, T., "Design and Manufacturing of Dies for Lubricated Extrusion and Shapes," published in J. of Mechanical Working Technology, Vol. 1, No. 2, November, 1977, p. 183. 1977
    049 Nagpal, V., Altan, T. and Gagne, R., "A Simplified Analysis of the Lubri- cated Shape-Extrusion Process," Proceedings of NAMRC-IV, Columbus, Ohio, May 17-19, 1976, p. 172. 1976
    046 Lahoti, G. D., Gordon, P. and Altan, T., "Optimum Die Profiles for Drawing of Shells and Cups," Proceedings of NAMRC III, Pittsburgh, May, 1975, p. 143. 1975

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    Equipment / Tooling / Instrumentation
    Number Title Year
    558 Altan, T. & Shirgaokar, M. Selection of Forging Equipment Chapter for ASM Handbook on Forging 2005
    428 Hannan, D. and Altan, T. “Case Studies on Improving the Tool Life of Cold Heading Operations,” Fastener Magazine, July 2000, p. 56 2000
    383 Vazquez, V., Hannan, D., and Altan, T., “Service Life Improvement for Cold Heading Insert”, J. of Materials Processing Technology, V 98, No. 1, Jan 15, 2000, p. 90 2000
    297 Vazquez, V., Knoerr, M., Shivpuri, R., and Altan, T., “Determination of Fatigue Properties of Die Steels for Hot Forging”, Transactions of NAMRC XXIV, May 1996, SME, pp. 155-160 1996
    269 Painter, B., Shivpuri, R. and Altan, T., “Prediction of Die Wear During Hot-Extrusion of Engine Valves”, J. Materials Processing Technology, 1996, vol.59, nos. 1-2, pp. 132 1996
    256-1 Lange, K., Knoerr, M., and Altan, T., “Tool Life Improvement in Forging Tooling - A new computer aided fatigue analysis concept”, Proceedings of the First Australian Congress on Applied Mechanics, 21-23, Feb., 1996, Melbourne 1996
    256 Lange, K., Knoerr, M. and Altan, T. “A Fatigue Analysis Concept to Avoid Failure of Forging Tooling” 27th Plenary Meeting of ICFG 1994 and WIRE Magazine 45(1995)3, pg. 164 1994
    254 Nagao, Y., Knoerr, M. and Altan, T. “Improvement of Tool Life in Cold Forging of complex Automotive Parts” Int. J. Materials Processing Technology, Vol. 46, No. 1-2, pp. 73-85, 1994 1994
    253 Knoerr, M., Lange, K. and Altan, T. “Fatigue Failure of Cold Forging Tooling: Causes and Possible Solutions through Fatigue Analysis”, J. Materials Processing Technology, Vol. 46, No. 1-2, pp. 57-71, 1994 1994
    194 Pale, J., Shivpuri, R. and Altan, T., “Recent Developments in Tooling, Machines and Research in Cold Forming of Complex Parts”, International J. of Materials Processing Technology, 1992, vol. 33 (1-2) pp. 1-30 1992
    012 Altan, T. and Fiorentino, R. J., "Anvil Hammers, Counterblow Hammers And HERF Machines for Hot Forging" Review and Comparison," SME Technical Paper, MF-71-197, presented at the 1971 SME International Conference, April, 1971, Philadelphia. 1991
    170 Hirt, G., and Altan, T., "Investigation of Die Stresses and Die Deflections in Forging Axisymmetric Parts", Steel Research, 60 (1989), No. 6, p. 255. 1989
    233 Altan, T., “Selection of Forging Equipment” Metals Handbook, Ninth Edition, v 14, pp. 36-42, ASM International 1988 1988
    232 Altan, T., “Hammers and Presses for Forging”, Metals Handbook, Ninth Edition, v. 14, pp. 25-35, ASM International 1988 1988
    142 Vardan, O., Bagchi, A. and Altan, T., "Investigation of Die Wear in Upsetting Using the FEM Code ALPID," Proceedings of NAMRC-XV, Bethlehem, PA, May 1987, p. 386. 1987
    120 Altan, T., "Forging Dies for Impression and Closed-Die Forging," Chapter 5 in Design of Tools for Deformation Processes," by T. Z. Blazyaski (ed), Elsevier, 1986. 1986
    039 Brass, O. and Altan, T., "Selection of Equipment for Precision Forging of Turbine and Compressor Blades," SME Paper MF74-604 . May, 1974. 1974
    041 Altan, T., et al, Forging Equipment. Materials and Practices, book published by Metals and Ceramics Information Center, October, 1972, 495 pages 1972
    023 Douglas, J. R., Altan, T. and Gagne, R., "Determination of Screw and Mechanical Press Characteristics for Forging," SME Technical Paper MF72-531, presented at SME's Metalforming Forum, Chicago, September, 1972. 1972
    022 Douglas, J. R. and Altan, T., "Characteristics of Forging Presses: Determination and Comparison," Proceedings of the 13th M.T.D.R. Conference, September, 1972, Birmingham, England, p. 536. 1972
    020 Altan, T. and Nichols, D., "The Use of Standard Copper Samples for Determining Load and Energy in Forging Equipment," ASME Trans.," J. Engr. Industry, Vol. 94, No. 3, August, 1972, p. 769. 1972

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    FEM Analysis / Simulation
    Number Title Year
    617 Russell, W.C., Al-zkeri, I., & Altan, T., "Wire Die Stress Modeling", presented at the Intertech, 2008 2008
    615 Altan, T., et al, "Simulation-based Process Design for Improvement of Profitability in Hot Forging", Proceedings of the Int. Forging Conference, Chicago, Sept. 28-30, 2008 2008
    610 Altan, T.,Shirgaokar, M., Yadav, A., "Simulation and Optimization of Metal Forming Processes - New Applications and Challenges", Proceedings of UHK, Feb. 2008, Hannover, Germany 2008
    542 Ngaile, G. and Altan, T. "Computer Aided Engineering in Forging", Proceedings of the 3rd JSTP International Seminar on Precision Forging, Nagoya, Japan, March 14-18, 2004 2004
    505 Ngaile, G. and Altan, T. "Simulations of Manufacturing Processes: Past, Present and Future" Proceedings of the 7th ICTP, Yokohama, Japan, Oct 27-Nov 1, 2002, p.271 2002
    418 Vazquez, V. and Altan T. “ Possibilities and Limits of Simulation Massive Forming” 7th Umformtechnisches Kolloqium, Darmstadt, GERMANY (UKD 2000) March 14/15, 2000 2000
    391 Vazquez, V., Walters, J., and Altan, T.), “Forging Process Simulation – State of the Art in the USA” Proceedings of the Conference on New Developments in Forging Technology, Stuttgart Germany, May 19-20, 1999 1999
    330 Vazquez, V., and Altan, T., "Status of Process Simulation Using 2D and 3D FEM - What is Practical Today? What Can We Expect in the Future?", Journal of Materials Processing Technology, v. 71/1, Nov. 1, 1997, pp. 49-63 1997
    288 Koc, M., Vazquez, V., Witulski, T., and Altan, T., “Application of the Finite Element Method to Predict Material Flow and Defects in the Semi-Solid Forging of 356 Aluminum Alloys”, J. Materials Processing, 1996, vol. 59, nos. 1-2, pp. 106 1996
    237 Kim, H., Sweeney, K., Altan, T. “Application of Computer Aided Simulation to Investigate Metal Flow in Selected Forging Operations” J. Materials Processing Technology, Vol. 46, No. 1-2, pp. 127-154, 1994 1994
    220 Altan, T., Knoerr, M. “Application of 2D Finite Element Method to Simulation of Cold Forging Process” J. of Materials Processing Technology, Vol. 35, 1992, p 275 1992
    168 Hirt, G., and Altan, T., "Metal Flow in Compression of Tubular Parts - Predictions Made with Different Computer Programs and Effect of Flow Stress Data", Steel Research, May 1989, p. 201. 1989
    135a Kobayashi, S., Oh, S. I. and Altan, T., "Metalforming and the FEM," Book Oxford University Press, 1989, 377 pages. 1989
    112 Oh, S. I. Park, J. J., Kobayashi, S. and Altan, T., "Application of FEM Modeling to Simulate Metal Flow in Forging a Titanium Alloy Engine Disk," Trans. of ASME, J. of Eng. for Industry, November, 1983, Vol. 105, p. 251. 1983
    143 Subramanian, T. L., G. D. Lahoti, N. Akgerman and T. Altan, "Computer-Aided Simulation and Optimization of Tandem Cup Ironing Process," NAMRC-VIII, Rolla, Missouri, May 18-20, 1980,-p. 161. 1980
    089 Altan, T. and Lahoti, G. D., "Limitations, Applicability and Usefulness of Different Methods in Analyzing Forming Problems," Key Note Paper, pre- sented at CIRP, Davos, Switzerland, August, 1979, CIRP Annals, Vol. 28, No. 2, 1979, p. 473. of Selected Shee 1979
    015 Altan, T., "Computer Simulation to Predict Load, Stress and Metal Flow in an Axisymmetric Closed-Die Forging," in Metalforming: Interrelation Between Theory and Practice, A. L. Hoffmanner (editor), Plenum Publishing Corporation, 1971, p. 249. 1971

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    Friction / Lubrication
    Number Title Year
    603 Shirgaokar, M.; Altan, T. "Advanced Die Materials & Lubrication Systems to Reduce Die Wear in Hot and Warm Forging" Proceedings of the FIA conference, March 27/29, 2007 Houston, TX 2007
    566 Schrader / Shirgaokar / Altan "A Critical Evaluation of the Double Cup Extrusion Test for Selection of Cold Forging Lubricants", JMPT, v.189, 2007, p.36-44 2007
    525 Gariety, M., Ngaile, G. and Altan. T. "Evaluation of New Cold Forging Lubricants without Zinc Phosphate Precoat", Intl. Journal of Machine Tool and Manufacture, 2007, P.673 2007
    576 Schrader / Shirgaokar / Altan "Analysis of Double Cup Extrusion Test for Evaluation of Lubricants" Proceedings, Int. Seminar on Precision Forging, March21-24, Nara. Japan 2006
    544 Altan, T. "Evaluation of New Lubricants for Cold Forging without Zinc Phosphate Coating, ICFG Annual Meeting, Istanbul, Turkey, September 13/15, 2004 2004
    227 Ghobrial, M.I., et al (including T. Altan) “Factors Affecting the Double Cup Extrusion Test for Evaluation of Friction in Cold and Warm Forging” Annals of CIRP, Vol. 42, 1993, pp. 347-351 1993
    207 Buschhausen, A., Lee, J.Y., Weinmann, K. and Altan, T. “Evaluation of Lubrication and Friction in Cold Forging Using a Double Backward Extrusion Process”, J. of Materials Processing Technology, 1992 (Vol. 33(1-2), p. 95-108 1992
    184 Shen, G., Vedhanayagam, A., Kropp, E. and Altan, T., “A Method for Evaluating Friction Using a Backward and Extrusion Type Forging”, J. of Materials Processing Technology, Vol. 33, 1992, p. 109-123 1992
    180 Udagawa, T., Kropp, E. and Altan, T., “Friction and Metal Flow in Precision Forging of Aluminum Alloys”, Proceedings of the 3rd ICTP, July 1-6, 1990, Kyoto, Japan, p. 33 1990
    176 Burte, P., Semiatin, S. L., Altan, T., "An Investigation of the Heat Transfer and Friction in Hot Forging of 304 SS and Ti-6A1-4V", Transactions of NAMRC, May 1990, SME, Dearborn, Michigan, P. 59. 1990
    160 Burte, P. R., Im, Y-T., Altan, T. and Semiatin, S. L., "Measurement and Analysis of Heat Transfer and Friction During Hot Forging," "Thermal Aspects in Manufacturing", ASME-PED, vol. 30, p. 105, Dec. 1988, WAM, also published in ASME Transactions, J. Engr 1988
    130 Semiatin, S. I.. Collings, E. W. Wood, V. E. and Altan, T., "Determination of the Interface Heat Transfer Coefficient for Non-Isothermal Bulk-Forming Processes," Transactions, J. Engr. for Industry, February 1987, Vol.109, p. 49. 1987
    021 Lee, C. H. and Altan, T., "Influence of Flow Stress and Friction Upon Metal Flow in Upset Forging of Rings and Cylinders," ASME Trans., J. Engr. Industry, Vol. 94, No. 3, August, 1972, p. 775. 1972

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    Hot Forging
    Number Title Year
    467 Shirgaokar, M. and Altan T. "Process Design in Impression Die Forging", Chapter for "Workability and Process Design", ASM, April, 2003. 2003
    411 Dahl, C. et al. “Estimation of Die Wear in Hot Forging” International Forging Conference, Oct 4-6, 99, Detroit, MI 1999
    296 Takemasu, T., Vazquez. V., Painter, B., and Altan, T., “Investigation of Metal Flow and Preform Optimization in Flashless Forging of a Connecting Rod”, J. of Materials Processing Technology, 1996, vol. 59, nos. 1-2, pp. 95 1996
    234 Fujikawa, S., Ishii, K. and Altan, T. “A Diagnostic Expert System for Defects in Forged Parts” Proceedings of AIENG 1993, June 29-July 1, 1992, France 1993
    202 Shen, G., Semiatin, S.L. and Altan, T. “Investigation of Flow Stress and Microstructure Development in Non-Isothermal Forging of Ti-6242”, J. of Materials Processing Technology, p. 36(1993), 303, 319 1993
    166 Shen, G., Im, Y. T., and Altan, T., "Effect of Flash Dimensions and Billet Size in a Closed-Die Forging of Aluminum Alloy Part", Proceedings, NAMRC XVII, May 1989, The Ohio State University and SME, p. 34. 1989
    163 Jenkins, B. L., Oh, S. I. and Altan, T., "Investigation of Defect formation in a 3-Station Closed-Die Forging Process," CIRP Annals, VoL 381, 1989, p. 243. 1989
    167 Kropp, E., Udagawa, T., Altan, and Wade, R., "Investigation of Metal Flow and Lubrication in Isothermal Precision Forging of Aluminum Alloy". Proecedings of ASM Conference on Near Net Shape Manufacturing, Columbus, Ohio, Nov. 1988, p. 37. 1988
    154 Im, Y-T., Vardan, O., Shen, G. and Altan, T., "Investigation of Metal Flow in Non-Isothermal Forging Using Ring and Spike Tests," CIRP Annals, Vol. 1, 1988, p. 225. 1988
    140 Badawy, A., Raghupathi, P. S., Kuhlmann, D. J. and Altan, T., "Computer-Aided Design of Multistage Forging Operations for Round Parts," J. of Mech. Working Technology, Vol. 11, 1985, p. 259. 1985
    107 Sabroff, A. M., Douglas, J. R., Badawy, A. G., Altan, T., "Application of CAD/CAM Techniques to Close Tolerance Forging of Spiral Bevel Gears," Annals of CIRP, Vol. 31, No. 1, 1982, p. 141. 1982
    064 Lahoti, G. D. and Altan, T., "Analysis of Metal Flow in Nosing of Shells," Proceedings of NAMRC-VI, April, 1978, Gainesville, Florida, p. 151. 1978
    060 Subramanian, T. L., Lahoti, G. D. and Altan, T., "Temperature Distributions in Inductively Heated Tubular Components Prior to End Forming," Proceedings of NAMRC-V, Amherst, Massachusetts, May, 1977, p. 183. 1977
    054 Altan, T. and Nagpal, V., "Recent Developments in Closed-Die Forging," International Metallurgical Reviews, December, 1977, p. 322. 1977
    043 Akgerman, N. and Altan, T., "Application of CAD/CAM in Forging Turbine and Compressor Blades," ASME Trans., Journal of Engineering for Power, 98 Series A, No. 2, April, 1976, p. 290. 1976
    031 Akgerman, N., Becker, J. R. and Altan, T., "Preform Design in Closed-Die Forging," Metallurgia and Metal Forming, May 1973, p. 135. 1973
    024 Akgerman, N. and Altan, T., "Modular Analysis of Geometry and Stresses in Closed-Die Forging: Application to a Structural Part," ASME Transactions, J. Engr. of Industry, Vol. 94, Series B, November, 1972, p. 1025. 1972
    016 Altan, T. and Henning, H. J., "Closed-Die Forging of Round Shapes Flash Design and Material Savings," Metallurgia and Metalforming, March, 1971, p. 83. 1971
    013 Altan T. and Fiorentino, R.J., "Prediction of Loads and Stresses in Closed- Die Forging," ASME Trans., J. of Engr. for Industry, May, 1971, p. 477. 1971
    014 Altan, T. and Gerds, A. F., "Temperature Effects in Closed-Die Forging,". published as ASM Report No. C70-30.0 and presented at the 1970 ASM Conference in Cleveland, October 19-22, 1970. Also Metals Engineering Quarterly, August, 1971, p. 44. 1970

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    Material Properties / Formability
    Number Title Year
    516 Cho, H., Ngaile, G. and Altan, T. "Simultaneous Determination of Flow Stress and Interface Friction by Finite Element Based Inverse Analysis Technique, annals of CIRP, v.1, 2003, p.221 2003
    429 Hannan, D. and Altan, T. “Improving the Accuracy of FEM Simulations through Accurate Measurement of Material Properties,” Fastener Technology International, October 2000, p.53. 2000
    399 Vazquez, V., and Altan, T., “Measurement of Flow Stress and Critical Damage Value in Cold Forging", International Journal of Forming Processes, vol.4,, Nov. 1-2, 2001, pp. 167-175 2000
    192 Shen, G., Semiatin, S.L., Kropp, E. and Altan, T., “A Technique to Compensate for Temperature History Effects in the Simulation of Non-Isothermal Forging Processes”, Journal of Materials Processing Technology, 1992, vol. 33 (1-2), pp. 125-140 1992
    093 Altan, T., Semiatin, S. L. and Lahoti, G. D., "Determination of Flow Stress Data for Practical Metal Forming Analysis," Annals of CIRP, Vol. 30, November, 1981, p. 129. 1981
    128 Semiatin, S. L., Lahoti, G. D., and Altan, T., "Determination and Analysis of Flow Stress Data for Ti-6242 at Hot Working Temperatures", Process Modeling - Fundamentals, ASM, Metals Park, Ohio, 1980, p. 387 1980
    057 Nagpal, V., Lahoti, G. D., and Altan, T., "A Numerical Method for Simultaneous Prediction of Metal Flow and Temperatures in Upset Forging of Rings," Transactions, J. Engr. Ind., November, 1978, p. 413. 1978
    038 Lahoti, G. D. and Altan, T., "Prediction of Temperature Distributions in Axisymmetric Compression and Torsion," ASME Trans. ]. Engr, Materials and Technology, Vol. 97, No. 2, April, 1975, pp. 113-120. 1975
    034 Douglas, J. R. and Altan, T., "Flow Stress Determination for Metals at Forging Rates and Temperatures," ASME Transactions, J. Engr. for Industry, February, 1975, p. 66. 1975
    033 Altan T. and Boulger, F. W., "Flow Stress of Metals and Its Application in Metal Forming Analysis," ASME Trans., J. Engr. for Industry, 95 No. 4, November, 1973, p. 1009 1973

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    Overview / General
    Number Title Year
    577 Shirgaokar / Altan "Application of Technology to Compete Successfully in Precision Forging" Proceedings, Int. Seminar on Precision Forging, March21-24, 2006, Nara. Japan 2006
    569 Altan/ Ngaile/ Shen "Cold & Hot Forging- Fundamentals and Applications" ASM International, March 2005 (Book- 350 pages), ISBN 0-87170-805-1 2005
    565 Altan, T. et. al. "State of the Art, Visions and Priorities in Research & Development on Metal Forming in North America" Key Note Paper, Proceedings of ICTP 2005, Verona, Italy, p.3 2005
    424 Vazquez, V. and Altan, T. “State of the Art Technology for Training Engineers for the Forging Industry,” presented at the 1999 FIA/FIERF Conference (see also 372). 1999
    119 Altan, T., Oh, S. I. and Gegel, H. L., "Metal Forming Fundamentals and Applications," book published by American Society of Metals, Metals Park, Ohio, September, 1983, 353 pages. 1983
    118 Semiatin, S. L. and Altan, T., "Isothermal and Hot Die Forging of High- Temperature Alloys," Metals and Ceramics Information Center Report, MCIC-83-47, June, 1983. 1983

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    Radial Forging, Rolling & Orbital Forging
    Number Title Year
    557 Munshi, M. et. Al.; FEM Analysis of Orbital Forming for Spindle/ Bearing Assembly, Proceedings of the 8th ICTP, Verona, Italy, Oct 9/13, 2005, p.321 2005
    536 Cho, H., Ngaile, G. and Altan, T. "3D FEA of Orbital Forming Process and Inverse Analysis for the Determination of Reliable Material Property", NUMIFORM 2004, June 2004 2004
    519 Cho, H., Kim, N. and Altan, T "Simulation of Orbital Forming Process using 3D FEM" Proceedings of the 3rd JSTP International Seminar on Precision Forging, 2004, Nagoya, Japan 2004
    395 Hauk, S., Vazquez, V., Walters, J., and Altan, T., “Finite Element Simulation of the Flow Splitting Process, J. of Materials Processing Technology, V 98, No.1, Jan 15, 2000, p. 70 2000
    186 Kim, Naksoo, Kobayashi, S., and Altan, T., “Three Dimensional Analysis and Computer Simulation of Shape Rolling by the Finite and Slab Element Method”, International J. of Machine Tools and Manufacturing, 1991, Vol. 31, No. 4, P. 553 1991
    125 Sevenler, K., Raghupathi, P. S. and Altan, T., "Spread and Bulging in Bar and Rod Rolling Using Flat Rolls," Iron and Steel Engineer, March, 1986, p. 57. 1986
    095 Cohen, P. C. Lahoti, G. D. and Altan, T., "Computer-Aided Analysis and Experimental Evaluation of Roll-Pass Schedule for Rolling of Round Bars," Proceedings of NAMRC IX, May, 1981, State College, PA., p. 575. 1981
    080 Akgerman, N. Lahoti, G. D. and Altan, T., "Computer-Aided Roll Pass Design in Rolling of Airfoil Shapes," J. of Applied Metalworking, Vol. 1, No. 3, July, 1980, p. 30. 1980
    079 Lahoti, G. D., Akgerman, N., Oh, S. I. and Altan, T., "Computer Aided Analysis of Metal Flow and Stresses in Plate Rolling," ]. of Mechanical Working Technology, Vol. 4, No. 2, (1980), p. 105. 1980
    086 Subramanian, T. L., Lahoti, D. and Altan, T., "Experimental and Computer Modeling of Die Cavity Fill in Radial Forging of Rifling," Process Modeling - Fundamentals and Applications to Metals. Proceedings of Process Modeling Sessions, 1978 and 1979, Americ 1978
    063 Lahoti, G. D., Liuzzi, L. and Altan, T., "Design of Dies for Radial Forging of Rods and Tubes," J. of Mechanical Working Technology, Vol. 1, No. 1, July, 1977, p. 99. 1977
    062 Lahoti, G. D., Clauer, A. H., Altan, T. and Rosenfield, A. R., "Application of Process Modeling to Hot Isothermal Rolling of Ti-6A1-4V Strips," TSM-AIME/ASM Seminar on Formability, October 24-27, 1977, Chicago, 1977
    045 Lahoti, C. D. and Altan, T., "Analysis of the Radial-Forging Process for Manufacturing Rods and Tubes," ASME' Transactions, J. Engr. Industry, Vol. 98, February, 1976, No. 1, p. 265. 1976


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