Roll forming technology for manufacturing axisymmetric automotive components

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Description

A unique roll forming technology that permits complex axisymmetric components, such as automobile wheels and turbine disks, to be formed in a single forming operation, has been developed by two Russian Institute, the Institute of Technical Physics of the Russian Federal Nuclear Center and the Institute for Metals Superplasticity Problems. This process was used to fabricate automobile wheels from a Russian AVT alloy, a 6010 aluminum alloy equivalent. The process included steps of isothermal roll forming of preforms into wheels shapes, all at 430C for the AVT alloy. The microstructure and mechanical properties were evaluated at various locations in the ... continued below

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14 p.

Creation Information

Syn, C. K.; Lesuer, D. R.; Bieh, T. G.; Yang, H. S.; Brown, K. R.; Kaibyshev, R. O. et al. October 28, 1997.

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Description

A unique roll forming technology that permits complex axisymmetric components, such as automobile wheels and turbine disks, to be formed in a single forming operation, has been developed by two Russian Institute, the Institute of Technical Physics of the Russian Federal Nuclear Center and the Institute for Metals Superplasticity Problems. This process was used to fabricate automobile wheels from a Russian AVT alloy, a 6010 aluminum alloy equivalent. The process included steps of isothermal roll forming of preforms into wheels shapes, all at 430C for the AVT alloy. The microstructure and mechanical properties were evaluated at various locations in the finished wheels by optical metallography and tensile testing at elevated temperatures. Tensile properties were obtained by stain-rate change tests and tensile tests to failure at high strain rates. Microstructure and mechanical propertied of the preforms and blanks were also evaluated. The results indicate that dynamically recovered microstructures were developed during the processing, which showed relatively high strain rate sensitivity and rendered sufficiently plasticity at the elevated temperature for wheel fabrication process.

Physical Description

14 p.

Notes

OSTI as DE98052086

Other: FDE: PDF; PL:

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  • Annual meeting of the Minerals, Metals and Materials Society (TMS), San Antonio, TX (United States), 15-19 Feb 1998

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  • Other: DE98052086
  • Report No.: UCRL-JC--128673
  • Report No.: CONF-980202--
  • Grant Number: W-7405-ENG-48
  • Office of Scientific & Technical Information Report Number: 641306
  • Archival Resource Key: ark:/67531/metadc694748

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  • October 28, 1997

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  • Aug. 14, 2015, 8:43 a.m.

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  • April 10, 2017, 1:40 p.m.

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Syn, C. K.; Lesuer, D. R.; Bieh, T. G.; Yang, H. S.; Brown, K. R.; Kaibyshev, R. O. et al. Roll forming technology for manufacturing axisymmetric automotive components, article, October 28, 1997; California. (digital.library.unt.edu/ark:/67531/metadc694748/: accessed August 22, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.