A NEW PHASE IN AL-NI-TI ALLOYS MADE FROM MECHANICALLY ALLOYED POWDERS

被引：5

作者：

CABANASMORENO, JG ^{[1
]}

ITSUKAICHI, T ^{[1
]}

UMEMOTO, M ^{[1
]}

机构：

[1] TOYOHASHI UNIV TECHNOL, DEPT PROD SYST ENGN, TOYOHASHI 441, JAPAN

来源：

MATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING | 1994年 / 181卷 / pt 2期

关键词：

Alloying - Crystal structure - Hot pressing - Powder metallurgy - Quenching;

D O I：

10.1016/0921-5093(94)90831-1

中图分类号：

TB3 [工程材料学];

学科分类号：

0805 ; 080502 ;

摘要：

A new phase (the ''chi phase'') has been found in Al-Ni-Ti alloys produced by mechanical alloying and hot pressing. The structure of this new phase is similar to that of the NiTi2 compound (f.c.c., E9(3)) but with a lattice parameter of about 1.14-1.15 nm. A variety of additional experiments with alloys produced by arc melting and rapid quenching indicate that oxygen contamination (0.5-1.0 wt.%) is responsible for the occurrence of the new phase. Some suggestions are made regarding the atomic arrangement in the lattice of the chi phase.

引用

页码：1202 / 1206

页数：5

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