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Hot-working characteristics of a Pb-2 wt%Cd alloy during transformation

✍ Scribed by A.M. Abdel-Daiem

Publisher: Elsevier Science
Year: 2005
Tongue: English
Weight: 484 KB
Volume: 355
Category: Article
ISSN: 0921-4526
DOI: 10.1016/j.physb.2004.11.032

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✦ Synopsis

Stress-strain measurements were carried out on a Pb-2 wt%Cd alloy at different strain rates from 6.4 Â 10 À4 to 1.0 Â 10 À2 s À1 and in the temperature range from 433 to 503 K. The material's dynamic stress-strain response, strain rate, temperature effects and possible deformation mechanisms are discussed. The hot working parameters such as yield stress; ultimate stress, elastic modulus and the total strain were estimated as function of temperature and strain rate to evaluate the structural changes during transformation. Nevertheless, the effect of the transformation on the activation energy and the strain rate sensitivity parameter was studied. Furthermore, the microstructure of the studied samples was investigated below and above the transition temperature (0.65 T m ) using optical microscopy and X-ray analysis.

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Hot-working characteristics of a Pb-2&#xa0;wt%Cd alloy during transformation

✦ Synopsis

Hot-working characteristics of a Pb-2 wt%Cd alloy during transformation