%0 Journal Article
%T IN SITU ELECTRON MICROSCOPY STUDY ON PRECIPITATION OF ZIRCONIUM HYDRIDES INDUCED BY STRAIN AND STRESS IN ZIRCALOY-2<br>Zr—2合金中应力及应变诱发氢化锆析出过程的电子显微镜原位研究
%A ZHOU Bangxin
%A ZHENG Sikui
%A WANG Shunxin Southwest Centre for Nuclear Reactor Engineering Research
%A Design Chengdu
%A <br>周邦新
%A 郑斯奎
%A 汪顺新
%J 金属学报
%D 1989
%I 
%X 用电子显微镜原位研究了Zr-2合金中的氢化锆在应力及应变作用下的析出过程。应力诱发析出的氢化锆为γ相,与基体间存在(110)_γ//(1120)_(αZr),(001)_γ//(0001)_(αZr)的取向关系。γ氢化锆沿它的110]生长最快,形成尖劈状。当沿氢化锆开裂后,在裂纹端部又将析出氢化锆。应变诱发析出的氢化锆为δ相,与基体间存在(111)_δ//(0001)_(αZr),(110)_δ//(1120)_(αZr);或(010)_δ//(0001)_(αZr),(001)_δ//(1120)_(αZr)的取向关系。形变速率越高,δ氢化锆越细小。
%K Zircaloy-2
%K Precipitation of hydrides
%K hydrogen-induced delayed cracking<br>Zr－2合金
%K 氢化锆
%K 析出
%K 电子显微镜
%U http://www.alljournals.cn/get_abstract_url.aspx?pcid=5B3AB970F71A803DEACDC0559115BFCF0A068CD97DD29835&cid=AB188D3B70B071C57EB64E395D864ECE&jid=B061E1135F1CBDEE96CD96C109FEAD65&aid=A7BA08025A6F9E3E0CC7BCCBD3A1FD0A&yid=1833A6AA51F779C1&vid=C5154311167311FE&iid=38B194292C032A66&sid=339D79302DF62549&eid=7C3A4C1EE6A45749&journal_id=0412-1961&journal_name=金属学报&referenced_num=3&reference_num=1