%0 Journal Article
%T Investigation on Superplasticity in SiCp/2024 Cold Rolling Sheet after Heat Treatment<br>Investigation on Superplasticity in SiCp／2024 Cold Rolling Sheet after Heat Treatment
%A Bolv XIAO
%A Zongyi MA
%A Jing BI
%A <br>Bolu XIAO
%A Zongyi MA and Jing BI Institute of Metai Research
%A Chinese Academy of Sciences
%A Shenyang
%A China
%J 材料科学技术学报
%D 2003
%I 
%X High strain rate superplastic deformation behavior of powder metallurgy (PM) processed 17 vol. pet SiCp/2024 Al composite sheet after heat treatment was investigated over a range of temperature from 753 to 833 K. At 813 K, a maximum elongation of 259% was discovered at a strain rate of 10-1 s-1. The activation energy was closed to that for lattice diffusion of Al and increased at temperature upon incipient melting temperature. The mechanism of superplastic deformation for present composites was attributed to lattice diffusion controlled grain boundary sliding.
%K Superplasticity
%K Powder metallurgy
%K Metai matrix composites<br>冷轧薄板
%K 热处理
%K 超塑性变形
%K 粉末冶金过程
%K 碳化硅增强铝复合材料
%K 微观结构
%U http://www.alljournals.cn/get_abstract_url.aspx?pcid=5B3AB970F71A803DEACDC0559115BFCF0A068CD97DD29835&cid=84529CA2B2E519AC&jid=324DC3CAB22330DB19158AE0A9B7BFA5&aid=F422266637430E28F553484392BBD187&yid=D43C4A19B2EE3C0A&vid=2A8D03AD8076A2E3&iid=E158A972A605785F&sid=9C82B18080268586&eid=05340B75C67FF664&journal_id=1005-0302&journal_name=材料科学技术学报&referenced_num=0&reference_num=15