%0 Journal Article
%T TEM STUDY OF PRECIPITATED PHASES IN P/M INCONEL 718 ALLOY UNDER LONG TIME EXPOSURE<br>TEM STUDY OF PRECIPITATED PHASES IN P／M INCONEL 718 ALLOY UNDER LONG TIME EXPOSURE
%A XIAO Sufen
%A CHEN Mengzhe
%A WANG Hing
%A DONG Jianxin
%A XIE Xishan
%A <br>肖素芬
%A 陈梦谪
%A 王宁
%A 董建新
%A 谢锡善
%J 金属学报
%D 1996
%I 
%X 用透射电子显微镜研究了改型与常规粉末７１８合金长期时效过程中γ″，γ′，δ相的析出、粗化行为．结果表明：改型合金与常规合金中γ″，γ′的析出行为不同，前者γ″和γ′主要以包覆及复合组织析出，后者γ″和γ′则多以单独、分离形式析出．在６５０℃等温１００００ｈ时效过程中，改型合金的γ″粗化速率低于常规合金，表现出良好的稳定性．经过７５０℃，１０００ｈ时效，两种合金均发生δ相的大量析出，但δ相在两个合金中析出的形貌、数量不同．
%K superalloy
%K INCONEL 718
%K long-time aging<br>高温合金
%K 长期时效
%K 析出相
%K 析出
%K 粗化
%K TEM
%U http://www.alljournals.cn/get_abstract_url.aspx?pcid=5B3AB970F71A803DEACDC0559115BFCF0A068CD97DD29835&cid=AB188D3B70B071C57EB64E395D864ECE&jid=B061E1135F1CBDEE96CD96C109FEAD65&aid=4485924C0FA8FB0EAA03D4D9B516D1DF&yid=8A15F8B0AA0E5323&vid=9971A5E270697F23&iid=B31275AF3241DB2D&sid=4081E94A71AB3C30&eid=2EAE52BA5B1222A9&journal_id=0412-1961&journal_name=金属学报&referenced_num=1&reference_num=2