Metastable microstructures in rapidly solidified Ni rich TiNi alloys

被引：2

作者：

Nagarajan, R ^{[1
]}

Ranganathan, S ^{[1
]}

Aoki, K ^{[1
]}

Chattopadhyay, K ^{[1
]}

机构：

[1] KITAMI INST TECHNOL,DEPT MAT SCI,KITAMI,HOKKAIDO 090,JAPAN

来源：

MATERIALS TRANSACTIONS JIM | 1997年 / 38卷 / 05期

关键词：

glass; T-0; curve; massive solidification; precipitation; faulted structure; electron/atom ratio;

D O I：

10.2320/matertrans1989.38.406

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

The metastable microstructures in two rapidly solidified Ni rich Ti-Ni alloys are studied. A first report of the presence of a cubic phase with three times the lattice parameter of B2-TiNi in melt spun Ti40Ni60 alloy is presented. This phase has precipitated from the massively solidified BZ-TiNi. We also report the formation of a faulted structure (A), polytypic to TiNi3 along with TiNi3 in melt spun Ti30Ni70 alloy. It is argued that this structure is stabilised due to a specific valence electron by atom ratio.

引用

页码：406 / 412

页数：7

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