Author： Liao Hengcheng
Publisher： Springer Publishing Company
ISSN： 1059-9495
Source： Journal of Materials Engineering and Performance, Vol.20, Iss.8, 2011-11, pp. : 1364-1369
Disclaimer: Any content in publications that violate the sovereignty, the constitution or regulations of the PRC is not accepted or approved by CNPIEC.
Abstract
Effect of multi-pass cold-rolling on the mechanical properties and microstructure of a near-eutectic Al-12%Si-0.2%Mg casting alloy was investigated. Optical microscopy, SEM, and TEM were employed to resolve the as-rolled microstructure, and the microstructure of samples after aging treatment. It has been found that Brinell hardness increases considerably with rolling reduction ratio; and further annealing leads to a remarkable drop in hardness. Two mechanisms, namely precipitation hardening and recovery softening, were found to develop simultaneously in the subsequent aging treatment following cold rolling. In contrast, recovery softening dominated the aging of cold-rolled specimen with prior intermediate annealing. Tensile properties were also performed to measure the effect of cold rolling and subsequent aging treatment.
Related content
Access to resources
Recommend
By Dong J. Karnezis P. Durrant G. Cantor B.
Metallurgical and Materials Transactions A, Vol. 30, Iss. 5, 1999-05 ,pp. :
By Feng Wang Jishan Zhang Baiqing Xiong Yongan Zhang
Journal of Materials Engineering and Performance, Vol. 20, Iss. 1, 2011-02 ,pp. :