Title

Effect of thermal conductivity on reaction front propagation during combustion synthesis of intermetalics

Authors

Authors

M. Ballas; H. Song;O. J. Ilegbusi

Comments

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Abbreviated Journal Title

J. Mater. Sci.

Keywords

HIGH-TEMPERATURE SYNTHESIS; STATE WAVE VELOCITY; MICROMECHANISTIC MODEL; COMPACT; TITANIUM; TINI; Materials Science, Multidisciplinary

Abstract

A mathematical model is developed to investigate the effect of thermal conductivity on the combustion synthesis of intermetallics. The governing equations are solved using a high-order-implicit numerical scheme capable of accommodating the steep spatial and temporal gradients of properties. A parametric study is then performed to elucidate reaction characteristics (propagation type, steady-state propagation velocity, peak temperature, etc.) in terms of the thermal conductivity ratio, k = k(p)/k(r). The predicted results appear plausible and consistent with the trends presented in the available literature. (c) 2006 Springer Science + Business Media, Inc.

Journal Title

Journal of Materials Science

Volume

41

Issue/Number

13

Publication Date

1-1-2006

Document Type

Article

Language

English

First Page

4169

Last Page

4177

WOS Identifier

WOS:000239282300026

ISSN

0022-2461

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