Sintering behaviour of Ti-2Ni and Ti-5Ni elemental powders

被引：32
|
作者：
Panigrahi, Bharat B. [1 ]
机构：
[1] Korea Res Inst Stand & Sci, Mat Evaluat Grp, Taejon 305340, South Korea
来源：
MATERIALS LETTERS | 2007年 / 61卷 / 01期
关键词：
sintering; kinetics; diffusion;
D O I：
10.1016/j.matlet.2006.04.025
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
The effect of nickel powder additions (2 and 5 at.%) on the sintering behaviour of titanium powder has been investigated through the dilatometric sintering study. The sintering of titanium powder was found to be enhanced significantly and the activation energies were decreased with increasing nickel content. The sintering of Ti-2 at.% Ni system at lower temperature was found to be controlled by Ti-Ti and Ti-Ni solid state sintering, whereas inter-diffusion dominates in Ti-5 at.% Ni sintering. At higher temperatures, sintering was found to be controlled by mixed mechanisms, i.e. inter-diffusion, chemical reaction and transient liquid phase formation. (c) 2006 Elsevier B.V. All rights reserved.
引用
收藏
页码：152 / 155
页数：4
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