Influence of tin on the structure and properties of as-cast Ti-rich Ti-Si alloys

被引：36

作者：

Bulanova, M ^{[1
]}

Tretyachenko, L ^{[1
]}

Meleshevich, K ^{[1
]}

Saltykov, V ^{[1
]}

Vereshchaka, V ^{[1
]}

Galadzhyj, O ^{[1
]}

Kulak, L ^{[1
]}

Firstov, S ^{[1
]}

机构：

[1] IN Frantsevich Inst Problems Mat Sci, UA-03142 Kiev, Ukraine

来源：

JOURNAL OF ALLOYS AND COMPOUNDS | 2003年 / 350卷 / 1-2期

关键词：

transition metal alloys; crystal structure; phase diagram; metallography; X-ray diffraction;

D O I：

10.1016/S0925-8388(02)00971-4

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

By the methods of DTA, X-ray diffraction, metallography and microprobe analysis, phase equilibria in the Ti-comer (more than 50 at.% Ti) of the Ti-Si-Sn system were studied. The solidus projection and the melting diagram (solidus+liquidus) were constructed. A new ternary compound T of composition Ti5Si1.2-1.6Sn1.8-1.4 was found to form with the crystal structure of W5Si3-type. The ternary eutectic equilibrium L<---->(beta-Ti)+(Ti5Si3)+(Ti3Sn) was established to occur at 1460 degreesC with the composition of the invariant point E at similar to77Ti-9Si-14Sn. Microhardness measurements were carried out for the primary grains of the alloys with 5 at.% Si. (C) 2002 Elsevier Science B.V. All rights reserved.

引用

页码：164 / 173

页数：10

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