%0 Journal Article
%T NUCLEATION MECHANISM OF 8090 Al-Li ALLOY WELD METAL<br>8090Al—Li合金焊缝金属形核机制
%A HAO Chuanyong
%A YU Erjing
%A YING Huiyun
%A SHI Chenggen
%A <br>郝传勇
%A 于尔靖
%A 应慧筠
%A 施成根
%J 金属学报
%D 1996
%I 
%X A kind of very fine equiaxed non- dendrite, besides the equiaxed dendrites and the columnar dendrites, exists in the 8090 aluminum-lithium alloy welds. The equiaxed non-dendrites are mainly distributed at the edge of the fusion zone; occasionally they can appear in the intermediate section of weld in the form of banding. The nuclei of equiaxed dendrites and columnar dendrites are the equilibrium tetragonal Al_3Zr particles, while the nuclei of equiaxed non -dendrite are demonstrated to be metastable cubic Al_3Zr particles.
%K Al-Li alloy
%K weld
%K nucleation mechanism
%K equiaxed non-dendrite
%K equilibrium tetragonal Al_3Zr
%K metastable cubic Al_3Zr<br>焊缝
%K 形核机制
%K 铝锂合金
%U http://www.alljournals.cn/get_abstract_url.aspx?pcid=5B3AB970F71A803DEACDC0559115BFCF0A068CD97DD29835&cid=AB188D3B70B071C57EB64E395D864ECE&jid=B061E1135F1CBDEE96CD96C109FEAD65&aid=4D0182A3C50C02E704F0F53CDEA520E6&yid=8A15F8B0AA0E5323&vid=9971A5E270697F23&iid=B31275AF3241DB2D&sid=AEE2F90BC0DB5F35&eid=4A8412AEEC89236B&journal_id=0412-1961&journal_name=金属学报&referenced_num=0&reference_num=3