%0 Journal Article
%T INFLUENCE OF CYCLIC EXTRUSION AND COMPRESSION ON THE MECHANICAL PROPERTIES OF ZK60 ALLOY<br>往复挤压变形对ZK60镁合金力学性能的影响
%A WANG Qudong
%A LIN Jinbao
%A PENG Liming
%A CHEN Yongjun
%A <br>王渠东
%A 林金保
%A 彭立明
%A 陈永军
%J 金属学报
%D 2008
%I 
%X ZK60镁合金经350℃往复挤压8道次后,晶粒尺寸显著细化,平均晶粒尺寸从约20μm细化到约1.5μm,组织均匀性大大改善.经往复挤压后,丝织构转变为{1013}<3032> {1011}<1543>织构,且最大极密度下降.由于组织的细化和织构的改变, ZK60镁合金的室温轴向压缩屈服强度大幅度提高,轴向拉伸屈服强度有所下降.合金的拉压强度差异性基本消除;同时,合金的塑性明显提高,尤其是在压缩条件下,延伸率从15%增加到38%.
%K Mg alloy ZK60
%K cyclic extrusion-compression
%K texture
%K mechanical property<br>ZK60镁合金
%K 往复挤压
%K 织构
%K 力学性能
%U http://www.alljournals.cn/get_abstract_url.aspx?pcid=5B3AB970F71A803DEACDC0559115BFCF0A068CD97DD29835&cid=AB188D3B70B071C57EB64E395D864ECE&jid=B061E1135F1CBDEE96CD96C109FEAD65&aid=AB983EE60AD6FFE79AA6EBEACFD7B6EF&yid=67289AFF6305E306&vid=1AE5323881A5ECDC&iid=CA4FD0336C81A37A&sid=E514EE58E0E50ECF&eid=9FFCC7AF50CAEBF7&journal_id=0412-1961&journal_name=金属学报&referenced_num=0&reference_num=25