SHS Combustion Characteristics of Several Ceramics and Intermetallic Compounds

Atsushi Makino, Chung King Law

Research output: Contribution to journalArticle

71 Scopus citations

Abstract

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.

Original languageEnglish (US)
Pages (from-to)778-786
Number of pages9
JournalJournal of the American Ceramic Society
Volume77
Issue number3
DOIs
StatePublished - Mar 1994

All Science Journal Classification (ASJC) codes

  • Ceramics and Composites
  • Materials Chemistry

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