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(英文版)

Transactions of Nonferrous Metals Society of China

Vol. 4    No. 1    March 1994

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A STUDY OF THE T1' PHASE IN THE Al-2.6Li-1.3Cu ALLOY ELECTRO-SUPERPLASTICITY IN 209 1 Al-Li ALLOYO
Cui Yuexian;  Sun Dongli;   Mao Jianfu;  Yang Dezhuang

Harbin Institute of Technology,Harbin 150006 China

Abstract:T1'phase in Al-2. 6Li-1. 3Cu alloy was studied systematically by selected area electrondiffraction , serial rotution and matrix analysis of electron diffraction pattern. The results showthat the crystalline structure of T1'phase is orthohombic. The lattice parameters are a =0. 2876 nm, b = 0. 86 nm , c = 0. 406 nm , and orientation relationship with the matrix is(010) T1'//(110)α,[001] T1'//[100]α

 

Key words: AI-Li alloy T1' phase orientation relationship crystalline structure

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

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

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