SHS COMBUSTION CHARACTERISTICS OF SEVERAL CERAMICS AND INTERMETALLIC COMPOUNDS

被引：56

作者：

MAKINO, A ^{[1
]}

LAW, CK ^{[1
]}

机构：

[1] PRINCETON UNIV,DEPT MECH & AEROSP ENGN,PRINCETON,NJ 08544

来源：

JOURNAL OF THE AMERICAN CERAMIC SOCIETY | 1994年 / 77卷 / 03期

关键词：

D O I：

10.1111/j.1151-2916.1994.tb05365.x

中图分类号：

TQ174 [陶瓷工业]; TB3 [工程材料学];

学科分类号：

0805 ; 080502 ;

摘要：

Extensive comparisons have been conducted between experimental and theoretical results for the SHS combustion characteristics of a number of solid-solid systems. The heterogeneous flame propagation theory describes a premixed mode of bulk flame propagation supported by the nonpremixed reaction of dispersed nonmetal (or higher melting point metal) particles in the liquid metal, with finite-rate reaction at the particle surface and temperature-sensitive Arrhenius-type condensed-phase mass diffusivity. Systems examined are those of borides (TiB2, ZrB2, and HfB2) and intermetallic compounds (NiAl, TiCo, and TiNi). By using a consistent set of physico-chemical parameters for these systems, satisfactorily quantitative agreement is demonstrated for the effects of mixture ratio, degree of dilution, and particle size on the burning velocity. Experimental flammability limits are also predicted by the theory.

引用

页码：778 / 786

页数：9

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