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Home  >  Journal list  >  Journal of the Ceramic Society of Japan  >  Vol.122  No.1426 (June) (2014)  >  pp.496-501

Journal of the Ceramic Society of Japan
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Synthesis of WSi2 and W2B intermetallic compound by in-situ self propagating high-temperature synthesis reaction

Tawat CHANADEE1) 3), Jessada WANNASIN1) 3), Sutham NIYOMWAS2) 3)
1) Department of Mining and Materials Engineering, Faculty of Engineering, Prince of Songkla University 2) Department of Mechanical Engineering, Faculty of Engineering, Prince of Songkla University 3) Ceramic and Composite Materials Engineering Research Group (CMERG), Materials Engineering Research Center (MERC), Prince of Songkla University

This study is the experiments on the synthesis of Tungsten intermetallic compound (WSi2, W2B) by self propagating high-temperature synthesis (SHS) from two aluminothermic reactant mixture systems of WO3–Si–Al and WO3–B2O3–Al. The reactions were carried out in a SHS reactor under static argon gas at the pressure of 0.5 MPa. The standard Gibbs energy minimization method was used to calculate the equilibrium composition of the reacting species. The as-SHS products were characterized by X-ray diffraction (XRD) and scanning electron microscope (SEM) with energy dispersive X-ray (EDX) technique.

Tungsten intermetallic compound, WSi2, W2B, Self propagating high-temperature synthesis

Received: August 31, 2013
Accepted: February 13, 2014 , Published online: June 01, 2014
Copyright © 2014 The Ceramic Society of Japan



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