HREM study of the NiAlFe-TiB2 composite fabricated by reaction compocasting

被引:7
作者
Wang, RM
Tao, CH
Han, YF
Yan, MG
机构
[1] Inst Aeronaut Mat, Beijing 100095, Peoples R China
[2] Chinese Acad Sci, Inst Met Res, Atom Imaging Solids Lab, Shenyang 110015, Peoples R China
来源
MATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING | 1999年 / 265卷 / 1-2期
关键词
NiAl-base composite; high-resolution electron microscopy; interface; microstructure;
D O I
10.1016/S0921-5093(98)01151-4
中图分类号
TB3 [工程材料学];
学科分类号
0805 ; 080502 ;
摘要
A new combustion synthesis technique has been applied to fabricate NiAlFe-TiB2 composite and the microstructure has been investigated. A new lamellar phase Fe(Ni,AI,Ti) was formed with 25% Fe addition, which has a FCC crystal with lattice parameter a=1.068 nm. High resolution images indicate that TiB2 and Fe(Ni,Al,Ti) phases are well bonded with the matrix. After compression test, dislocations have been found at the TiB2 particles as well as in the matrix and along the interface. (C) 1999 Elsevier Science S.A. All rights reserved.
引用
收藏
页码:95 / 99
页数:5
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