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TECHNICAL PAPERS

Finite Element Simulation of Ausforming of Austempered Ductile Iron Components

[+] Author and Article Information
X. Lei, C. J. Lissenden

Department of Engineering Science and Mechanics, Penn State University, University Park, PA 16802

J. Manuf. Sci. Eng 123(3), 420-425 (Oct 01, 2000) (6 pages) doi:10.1115/1.1380383 History: Received January 01, 2000; Revised October 01, 2000
Copyright © 2001 by ASME
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References

Otoguro, Y., Sato, K., Hashimoto, K., Meguro, M., Seya, O., Ueno, M., and Chida, A., 1980, “Properties of Hot-Rolled Ductile Cast Iron,” Nippon Steel Technical Report No. 15, pp. 40–54.
Hayrynen,  K. L., Loftus,  S. M., May,  R. L., Moore,  D. J., and Rundman,  K. B., 1995, “A Microstructural Study of Ausformed/Austempered Ductile Iron,” AFS Transactions, 103, pp. 157–163.
DeLa’O, J. D., Burke, C. M., Lagather, B., Moore, D. J., and Rundman, K. B., 1997, “Thermomechanical Processing of Austempered Ductile Iron: An Overview,” Thermomechanical Processing and Mechanical Properties of Hypereutectoid Steels and Cast Irons, D. R. Lesuer, C. K. Syn, and O. D. Sherby, eds., The Minerals, Metals & Materials Society, pp. 79–100.
Moore,  D. J., Rouns,  T. N., and Rundman,  K. B., 1985a, “The Effect of Heat Treatment, Mechanical Deformation and Alloying Additions on the Rate of Bainite Formation in Austempered Ductile Irons,” Journal of Heat Treating, 4, pp. 7–24.
Moore, D. J., Rundman, K. B., and Rouns, T. N., 1985b, “The Effect of Thermomechanical Processing on Bainite Formation in Several Austempered Ductile Cast Irons,” First International Conference on ADI, ASM International, pp. 13–31.
SFTC, 1999, DEFORM 3D Version 3.01, Scientific Forming Technologies Corporation, Columbus, OH.
SFTC, 1999, DEFORM PC Pro Version 2.0, Scientific Forming Technologies Corporation, Columbus, OH.
HKS, 1999, ABAQUS Version 5.7-1, Hibbitt, Karlsson & Sorensen, Inc., Pawtucket, RI.
Carbaugh,  D. F., and Frater,  J. L., 1991, “Factorial Analysis of Input Parameters Using Finite Element Techniques,” Journal of Materials Shaping Technology, 9, pp. 221–231.
Kim,  H., Sweeney,  K., and Altan,  T., 1994, “Application of Computer Aided Simulation to Investigate Metal Flow in Selected Forging Operations,” J. Mater. Process. Technol., 46, pp. 127–154.
Koc,  M., Vazquez,  V., Witulski,  T., and Altan,  T., 1996, “Application of the Finite Element Method to Predict Material Flow and Defects in the Semi-Solid Forging of A356 Aluminum Alloys,” J. Mater. Process. Technol., 59, pp. 106–112.
Kobayashi, S., Oh, S., and Altan, T., 1989, Metal Forming and the Finite Element Method, Oxford, New York.
Wess, D. B., Lissenden, C. J., and Lei, X., 1999a, “Finite Element Analysis for the Wear Specimen Preform,” TM 99-011, Applied Research Laboratory, University Park.
Wess, D. B., Lissenden, C. J., Delbrugge, G. V., and Lei, X., 1999b, “Elastic-Plastic Finite Element Analysis for the Ausform-Finished Ductile Iron Track Centerguide,” TM 99-113, Applied Research Laboratory, University Park.
Wu, W. T., Tang, J. P., and Li, G., 2000, “Recent Development of Process Simulation and Its Applications to Manufacturing Processes,” SFTC Paper 357, Scientific Forming Technologies Corporation, Columbus.

Figures

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Goal geometry of the (a) wear specimen and (b) center guide
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Ausformed austempered ductile iron, (a) processing, (b) properties
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AADI flow stress curve at 375°C
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FEA model of the wear specimen
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Center guide FEA model: (a) center guide, (b) die, (c) and (d) center guide and die
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Predicted deformation of the wear specimen
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Equivalent plastic strain contours and goal geometry for the wear specimen
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Equivalent plastic strain contours and goal geometry for the center guide: (a) transverse sections in the web, (b) transverse sections in the base, and (c) longitudinal section, and (d) section locations
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Preform and post-forge geometry of the (a) wear specimen and (b) center guide

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