Pd－8at％Y合金的有序无序转变  

Order-Disorder Transition in Pd-8at%Y Alloy

作　　者：曾立英[1] 袁弘鸣[1] 李士江[1] 

机构地区：[1]西北有色金属研究院

出　　处：《稀有金属材料与工程》1996年第1期21-24,共4页Rare Metal Materials and Engineering

摘　　要：探讨了Ｐｄ－８ａｔ％Ｙ合金的有序无序转变。利用高温电阻法、ＸＲＤ法检验了该类合金的有序无序转变温度及相组成。结果表明，该类合金中存在Ｐｄ３Ｙ型长程有序相。Ｐｄ—８．２２ａｔ％Ｙ经９２０℃淬火＋７５０℃退火所得的有序结构较强。Ｐｄ—７．５２ａｔ％Ｙ有序无序转变温度Ｔｃ＝７００±１０℃。he order-disorder transition in Pd-8.22at%Y alloy has been investigated. The order-disorder transition temperature and phase composition were determined by means of electrical resistance and XRD methods, respectively. The results show that longe range order (LRO) phase (Pd3 Y) exists in this kind of alloy. The ordered structure of Pd-8.22at%Y (quenched from 920℃, then annealed at 750℃ ) alloy is more integral. The order-disorder transition temperature of Pd-7.52at% Y alloy is 700 ±10℃.

关 键 词：钯钇合金 有序 无序 转变 有序相 

分 类 号：TG146.36[一般工业技术—材料科学与工程]