%0 Journal Article
%T BULK Al90Mn8Ce2 ALLOY WITH ULTRA HIGH STRENGTH<br>超高强度块体Al90Mn8Ce2合金
%A ZHAO Zhankui
%A YAO Kefu
%A LI Jianchen
%A JIANG Qing
%A <br>赵占奎
%A 姚可夫
%A 李建忱 蒋 青
%J 金属学报
%D 2004
%I 
%X Using rapid solidification (RS) and powder metallurgy (PM) technique, Al90Mn8Ce2 bulk alloy with ultra high strength and 20 mm in diameter and 10 mm in length has been prepared. The density of the bulk alloy is up to 99%. Their ultimate pressure strength and fracture strain are 895 MPa and above 6%, respectively. It has been found that the high strength is attributed to the metastable icosahedral quasicrystal phase embedded in the a-Al matrix, which has been confirmed to be still stable at 803 K under the pressure of 1.2 GPa.
%K ultra high strength
%K Al-base alloy
%K powder metallurgy
%K strengthen mechanism
%K icosahedral quasicrystal<br>超高强度
%K 铝基合金
%K 粉末冶金
%K 强化机制
%K 二十面体准晶
%U http://www.alljournals.cn/get_abstract_url.aspx?pcid=5B3AB970F71A803DEACDC0559115BFCF0A068CD97DD29835&cid=AB188D3B70B071C57EB64E395D864ECE&jid=B061E1135F1CBDEE96CD96C109FEAD65&aid=F79C7648778A9B51&yid=D0E58B75BFD8E51C&vid=1371F55DA51B6E64&iid=E158A972A605785F&sid=26AEEED215BE97D0&eid=EF78DD85C21CB57F&journal_id=0412-1961&journal_name=金属学报&referenced_num=1&reference_num=9