Transactions of Nonferrous Metals Society of China The Chinese Journal of Nonferrous Metals

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中国有色金属学报

ZHONGGUO YOUSEJINSHU XUEBAO

第10卷    第z1期    总第100期    1999年10月

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文章编号:1004-0609(1999)s1-0250-04
Al-Li-Cu-Zr合金时效过程中形成的层错调制结构
卫英慧     胡兰青    陆  路    许并社    黄  源

(太原理工大学材料科学与工程学院, 太原 030024)

摘 要:     用透射电子显微镜研究了Al-2.6%Li-3.5%Cu-0.2%Zr-0.5%Ce合金时效过程中形成的层错调制结构。结果表明随时效时间延长, 层错调制结构密度增大;层错调制结构的出现与T1相的形成密切相关,而与δ' 相没有关系。

 

关键字: Al-Li基合金    相变     层错

A STACKING FAULT MODULATED STRUCTURE FORMED IN Al-Li-Cu-Zr ALLOY CONTAINING Ce
Wei Yinghui, Hu Lanqing, Lu Lu, Xu Bingshe and Huang Yuan

College of Materials Science and Engineering, Taiyuan University of Technology, Taiyuan 030024, P. R. China

Abstract:A stacking fault modulated structure (SMS) formed in Al-2.6%Li-3.5%Cu-0.2%Zr-0.5%Ce alloy during aging was investigated with transmission electron microscope. It was concluded that the density of the SMS is increased with aged time prolonged, the SMS has given rise to formation of T1 phase and there is no relationship between the SMS and δ' phase.

 

Key words: Al-Li based alloy; phase transformation; stacking fault

ISSN 1004-0609
CN 43-1238/TG
CODEN: ZYJXFK

ISSN 1003-6326
CN 43-1239/TG
CODEN: TNMCEW

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