A thermal analysis on self-propagating high temperature synthesis in joining technology

被引：22

作者：

Fiedler, T. ^{[1
]}

Belova, I. V. ^{[1
]}

Broxtermann, S. ^{[1
]}

Murch, G. E. ^{[1
]}

机构：

[1] Univ Newcastle, Sch Engn, Prior Res Ctr Geotech & Mat Modelling, Univ Ctr Mass & Thermal Transport Engn Mat, Callaghan, NSW 2308, Australia

来源：

COMPUTATIONAL MATERIALS SCIENCE | 2012年 / 53卷 / 01期

关键词：

Thermal analysis; SHS; Amorphous alloy; NiAl; Finite element analysis; Analytical;

D O I：

10.1016/j.commatsci.2011.08.015

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

This paper addresses the thermal analysis of self-propagating high temperature synthesis (SHS) in joining operations of temperature sensitive materials. A parametric finite element analysis of SHS is conducted, i.e. the influence of reaction rate, ignition temperature and reaction zone thickness on reaction stability and velocity is investigated. Special regard is given to surrounding materials such as amorphous alloys in joining operations. These materials act as heat sinks that conduct energy away from the reaction zone and thus diminish or even extinguish the reaction. In addition to the numerical simulation, analytical relations are developed to introduce criteria for reaction stability. Analytical and numerical results are compared for verification. (C) 2011 Elsevier B. V. All rights reserved.

引用

页码：251 / 257

页数：7

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