%0 Journal Article
%T SUPERPLASTIC MECHANISM OF Al-Zn-Mg ALLOYS CONTAINING SMALL AMOUNTS RARE-EARTHS<br>含微量稀土元素的Al-Zn-Mg合金的超塑变形机制
%A ZHAO YouchangGUO Xiaomei
%A <br>赵友昌
%A 郭晓梅
%J 材料研究学报
%D 1992
%I 
%X The configurations and the motions of grain boundary dislocations(GBD)andthe interations of the GBD with the precipatation particles in the grain boundary(GB)were ob-served with the TEM.It was found that the motions of the GBD along the GB can be hindered
%K aluminum
%K rare-earths
%K superplasticity
%K grain boundary dislocations<br>铝合金
%K 稀土
%K 超塑性
%K 晶界位错
%U http://www.alljournals.cn/get_abstract_url.aspx?pcid=5B3AB970F71A803DEACDC0559115BFCF0A068CD97DD29835&cid=84529CA2B2E519AC&jid=C101C4C04993B4D94FCD8446E6CBEB3B&aid=DB8413C60DAEF968&yid=F53A2717BDB04D52&vid=B31275AF3241DB2D&iid=0B39A22176CE99FB&sid=39EEF47180459690&eid=C3BF5C58156BEDF0&journal_id=1005-3093&journal_name=材料研究学报&referenced_num=0&reference_num=1