%0 Journal Article
%T EFFECT OF Zr ON DUCTILITY OF CAST Ni_3Al ALLOY<br>Zr对铸造Ni3Al合金塑性的影响
%A ZHENG Zhi
%A WU Weiwen
%A GUO Jianting
%A ZHU Yaoxiao Institute of Metal Research Academia Sinica
%A Shenyang Correspondent Professor
%A Institute of Metal Research
%A Academia Sinica
%A Shenyang
%A <br>郑志
%A 吴伟文
%A 郭建亭
%A 朱耀霄
%J 金属学报
%D 1992
%I 
%X 大量压缩和拉伸实验表明:在无硼Ni_3Al合金中加入适量的Zr可使其具有较好的室温塑性,Zr对Ni_3Al合金的韧化作用并不局限于富Ni的Ni_3Al合金,对Al含量略高于化学计量成分的Ni_3Al也有一定的韧化作用,而且Zr在晶界仅略有偏聚,因此,可以认为Zr对Ni_3Al合金的韧化机理与硼不同,Zr对改善中温脆性和提高高温塑性也都具有一定的效果
%K Ni_3Al
%K Zrtoughening
%K ductility
%K brittleness<br>Ni3Al
%K Zr
%K 韧化
%K 塑性
%K 中温脆性
%U http://www.alljournals.cn/get_abstract_url.aspx?pcid=5B3AB970F71A803DEACDC0559115BFCF0A068CD97DD29835&cid=AB188D3B70B071C57EB64E395D864ECE&jid=B061E1135F1CBDEE96CD96C109FEAD65&aid=875CFEB4F4025938BDFB35E9F6E6991F&yid=F53A2717BDB04D52&vid=D3E34374A0D77D7F&iid=94C357A881DFC066&sid=7801E6FC5AE9020C&eid=A04140E723CB732E&journal_id=0412-1961&journal_name=金属学报&referenced_num=1&reference_num=2