%0 Journal Article
%T ANTIPHASE DOMAIN BOUNDARY ENERGY OF γ′ [Ni_3(Al,Ti)] PARTICLES WITH VARIOUS Al CONTENTS AND THEIR STRENGTHENING CONTRIBUTION TO A Ni-BASE ALLOY GH99
%A 杨
%J 金属学报
%D 1986
%I 
%X GH99镍基合金在室温拉伸变形条件下,被位错切割过渡到被位错绕过的γ'Ni_3(Al,Ti)]质点的临界直径约为60nm.在同样条件下,该合金γ'强化的方式属于被位错切割机制.增加γ'相中Al含量能提高其反相畴界能和增大合金塑性变形的临界分切应力.GH99镍基合金的室温屈服强度理论计算值与实测值很接近.由γ'沉淀强化所贡献的强度占总强度的45％到64％,它随γ'相中Al含量的增多而增大.晶界碳化物强化所贡献的强度很少,只占2—3％。
%U http://www.alljournals.cn/get_abstract_url.aspx?pcid=5B3AB970F71A803DEACDC0559115BFCF0A068CD97DD29835&cid=AB188D3B70B071C57EB64E395D864ECE&jid=B061E1135F1CBDEE96CD96C109FEAD65&aid=678093A5354DDF6C920AF42CCA882DB1&yid=4E65715CCF57055A&vid=BC12EA701C895178&iid=B31275AF3241DB2D&sid=771469D9D58C34FF&eid=6209D9E8050195F5&journal_id=0412-1961&journal_name=金属学报&referenced_num=0&reference_num=1