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Study of the Superplasticity of Copper Alloys Used for Solid Cages

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Abstract:

The superplasticity of cast copper alloys used for solid cages is studied by tests of tension and compression in this paper. The results show that cast copper alloys exhibited superplasticity without any pretreatment. Cast aluminum bronze is of superplasticity at the temperatures between 750~800°C with the initial strain rate 1×10-2s-1, the elongation being over 260%. Under the condition of superplasticity compression with the strain rate (1.136~9.091)x10-4s-1 at temperatures between 600~650°C, the cast lead brass presents the superplasticity effect with the maximum flow stress under 2MPa.

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Periodical:

Materials Science Forum (Volumes 551-552)

Pages:

79-83

DOI:

https://doi.org/10.4028/www.scientific.net/MSF.551-552.79

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Online since:

July 2007

Authors:

F.X. Chen, He Jun Li, J.Q. Guo, Yong Shun Yang, G.Z. Xu

Keywords:

Copper Alloy, Solid Cage, Superplasticity

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© 2007 Trans Tech Publications Ltd. All Rights Reserved

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