Precision Forging Technology

Research topics include die design for cold and warm forging, prediction and elimination of forging defects, and prediction and reduction of die wear.

A book on “Cold, warm and hot forging - Fundamentals and Applications” by our team has been published by ASM International in 2005 (ISBN: 0-87170-805-1)

Recent Presentations & Publications (PDF/Flash Files)(please click on Publications/Papers on the left side-bar for a complete )

A. General/Overview

• A1. Research and Development in Forging at ERC/NSM, April 2009
   
• A2. Hot Forging: Trends And Applications, June 2008
   
• A3.Simulation and Optimization of Metal Forming Processes, February 2008
   
• A4.Application of Technology to compete successfully in Forging, presented at the 4th International Seminar on Precision Forging, Nara, Japan, March 21-24, 2006
   
• A5. R&D Update on “Improvement of Technology for Forging (Material Savings in Closed Die Forging)”, July 2005
   
• A6. Cold and Hot Forging - Fundamentals and Applications, New Book, by ERC/NSM staff, March 2005
   
• 505 Ngaile, G and Altan, T. “Simulation of Manufacturing Processes: Past, Present and Future” Proceedings of the 7th ICTP, Yokohama, Japan, Oct 27-Nov 1, 2002, p.271
   
• 569 Altan/Ngaile/Shen “Cold & Hot Forging-Fundamentals and Applications”, ASM International, March 2005(Book-350 pages), ISBN 0-87170-850-1
   
• 577 Shirgaokar/Altan “Application of Technology to Compare Successfully in Precision Forging”, Proceedings Int. Seminar on Precision Forging, March 21-24, Nara, Japan
   
• 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
   
• 656. Recent applications of process simulations in forging and forming, January 2013
   

B. Material Properties/Formability

• 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
   
• 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
   
• 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
   

C. Friction/Lubrication

• C-1.Evaluation of Lubricants for Production Conditions in Metal Forming,  by ERC / NSM staff, November 2006
   
• 184 Shen, G., Vedhanayagam, A., Kropp, E. and Altan, T. “A Method for Evaluating Friction Using a Backward and Extrusion Type Forging”, Journal of Materials Processing Technology, vol. 33, 1992, p. 109-123
   
• 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”, Journal of Materials Processing Technology, 1992(Vol. 33(1-2), p. 95-108
   
• 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
   
• 525 Gariety, M., Nagile, G and Altan, T. “Evaluation of New Cold Forging Lubricants without Zinc Phosphate Precoat”, Intl. Journal of Machine Tool and Manufacture, 2007, P. 673
   
• 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
   
• 576 Schrader/ Shirgaokar/ Altan “Analysis of Double Cup Extrusion Test for Evaluation of Lubricants” Proceedings, Int. Seminar on Precision Forging, March 21-24, Nara. Japan
   

D. Process Simulation-FEA

• 418 Vazquez, V., and Altan T. “Possibilities and Limits of Simulation Massive Forming” 7th Umformtechnisches Kolloqium, Darmstadt, GERMANY (UKD 2000) March 14/15, 2000
   
• 542 Ngaile, G., and Altan, T. “Computer Aided Engineering in Forging” Proceedings of 3rd JSTP International Seminar on Precision Forging, Nagoya, Japan, March 14-18, 2004
   
• 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
   
• 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
   

E. Equipment/Tooling

• 383 Vazquez, V. , Hannan, D., and Altan T. “Service Life Improvement for Cold Heading Insert” Journal of Materials Processing Technology, V 98, No. 1, Jan 15, 2000, p .90
   
• 411 Dahl, C. et al. “Estimation of Die Wear in Hot Forging” International Forging Conference, Ooc4-6, 99, Detroit, MI
   
• 428 Hannan, D. and Altan, T. “Case Studies on Improving the Tool Life of Cold Heading Operations” Fastener Magazine, July 2000, p.56
   
• 558 Altan, T. & Shirgaokar, M. Selection of Forging Equipment Chapter for ASM Handbook on Forging
   
• 603 Shirgaokar, M. and 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
   
• 637 Choi, C., et al “Estimation of Plastic Deformation and Abrasive Wear in Warm Forging Dies”
   
• 644 Deshpande, M., Groseclose, A., and Altan, T., “Selection of Die Materials and Surface Treatments for Increasing Die Life in Hot and Warm Forging”, submitted to 28th forging industry Conference, Chicago, IL, April 5-6, 2011
   

 F. Cold and Warm Forging

• 382 Vazquez, V. , and Altan, T. “Die Designs for Flashless of Complex Parts”, Journal of Materials Processing Technology, V 98, No. 1, Jan 15, 2000, p 81
   
• 407 Vazquez, V. , and Altan, T. “Prediction of Ductile Fracture in Forward Extrusion with Spherical Dies”, NAMRC 2000, May 2000, p.57
   
• 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.
   
• 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
   
• 561 Shirgaokar, M. et al. “New Developments in FEM Based Process Simulation to predict & Eliminate Material Failure in Cold Extrusion”, submitted to Int. Conference on “Developments in Bulk Forming ”, Stuttgart, May 30-June 1, 2005
   

G. Hot Forging

• 202 Shen, G., Semiatin, S.L., and Altan, T “Investigation of Flow Stress and Microstructure Development in Non-Isothermal Forging of Ti-6242”, Journal of Materials Processing Technology, p 36(1993), 303, 319
   
• 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
   
• 296 Takemasu, T., Vazquez, V. , Painter, B., and Altan, T  “Investigation of Metal Flow and Perform Optimization in Flashless Forging of a Connecting Rod”, Journal of Materials Processing Technology, 1996, vol. 59, nos. 1-2, pp. 1
   
• 467 Shirgaokar, M. and Altan T. “Process Design in Impression Die Forging”, Chapter for “Workability and Process Design”, ASM, April, 2003
   

H. Radial Forging/ Orbital Forming/Ring Rolling

• H-1 R&D Update on “Orbital Forming to produce a Spindle/Bearing Assembly”, May 2005
   
• 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
   
• 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
   
• 557 Munshi, M. et al. FEA Analysis of Orbital Forming for Spindle/Bearing Assembly, Proceedings of the 8th ICTP, Verona, Italy, Oct 9/13, 2005, p.321
   
• 653 Gonzalez-mendez, J., et al (including Altan), “Distortion in Rolled and Heat-treated Rings”, Forged Magazine, Feb.2012, p. 12
   
• 654 Duarte daSilva, A., et al (including Altan), “Distortion in Quenching an AISI 4140 Steel C-Ring-Prediction and Experiments”, submitted to JMPT, Feb. 2012

For more information, please contact:

Dr. Taylan Altan, Director and Professor
Altan.1@osu.edu, Phone: (614) 292-5063, Fax: (614) 292-7219

Xi Yang, Research Associate
yang.1418@osu.edu, phone: (614) 292-9267, fax: (614) 292-7219

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