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Journal of Materials Engineering and Performance

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01-10-2013

Hot Deformation and Processing Map of Pb-Mg-10Al-1B Alloy

Author: Y. H. Duan

Published in: Journal of Materials Engineering and Performance | Issue 10/2013

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Abstract

The hot deformation behavior of the novel Pb-Mg-10Al-1B alloy has been investigated by hot compressive tests in the temperature range from 453 to 613 K within the strain rate range of 0.01-1 s⁻¹ using a Gleeble-1500 thermal simulator testing machine. The results show that the flow stress increases with increasing strain rate and decreasing temperature. The hot deformation behavior can be described by a constitutive equation with hyperbolic sine function or Zener-Hollomon parameter. The hot deformation activation energy of Pb-Mg-10Al-1B alloy is 151.2543 kJ/mol. The processing map at the strain of 0.4 exhibits an instable deformation domain of 460-520 K at 0.06-1 s⁻¹. According to the processing map, the optimum hot-working conditions for Pb-Mg-Al-B alloy are 573 K and 0.01 s⁻¹.

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Title: Hot Deformation and Processing Map of Pb-Mg-10Al-1B Alloy
Author: Y. H. Duan
Publication date: 01-10-2013
Publisher: Springer US
Published in: Journal of Materials Engineering and Performance / Issue 10/2013
Print ISSN: 1059-9495
Electronic ISSN: 1544-1024
DOI: https://doi.org/10.1007/s11665-013-0604-1

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