scholarly journals Synthesis of WSi2 and W2B intermetallic compound by in-situ self propagating high-temperature synthesis reaction

2014 ◽  
Vol 122 (1426) ◽  
pp. 496-501 ◽  
Author(s):  
Tawat CHANADEE ◽  
Jessada WANNASIN ◽  
Sutham NIYOMWAS
Keyword(s):  
High Temperature ◽  
Intermetallic Compound ◽  
Synthesis Reaction ◽  
Temperature Synthesis ◽  
High Temperature Synthesis

Effect of Ar Gas Pressure on Phase Separation of Tungsten Silicides Intermetallic Compound In Situ Self-Propagating High Temperature Synthesis-Casting Process

2012 ◽  
Vol 626 ◽  
pp. 143-146 ◽  
Author(s):  
Tawat Chanadee ◽  
Sutham Niyomwas ◽  
Jessada Wannasin
Keyword(s):  
Phase Separation ◽  
High Temperature ◽  
Intermetallic Compound ◽  
Gas Pressure ◽  
Oxide Ceramic ◽  
Temperature Synthesis ◽  
High Temperature Synthesis ◽  
Ar Gas ◽  
Tungsten Silicides

Tungsten silicides intermetallic compound (WSi2) was synthesized in-situ by self-propagating high temperature synthesis-casting of WO3-Si-Al system in Ar gas environment. It is proposed that the extent of phase separation between oxide ceramic and intermetallic compound depends on the reaction temperature that made a lower viscosity and longer lifetime of the melted. The effects of inert gas pressure on densification of the intemetallic product were investigated.

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