A mathematical model of high-temperature synthesis of the intermetallic compound Ni3Al during ignition

1996 ◽  
Vol 32 (2) ◽  
pp. 158-164 ◽  
Author(s):  
O. V. Lapshin ◽  
V. E. Ovcharenko
Keyword(s):  
Mathematical Model ◽  
High Temperature ◽  
Intermetallic Compound ◽  
Temperature Synthesis ◽  
High Temperature Synthesis

Development of Coupled Model of SHS-Extrusion

2014 ◽  
Vol 1040 ◽  
pp. 461-465
Author(s):  
I.V. Mekhanich
Keyword(s):  
Mathematical Model ◽  
High Temperature ◽  
Coupled Model ◽  
Temperature Synthesis ◽  
One Dimensional ◽  
Shs Extrusion ◽  
High Temperature Synthesis

In this paper mathematical model of self-propagating high-temperature synthesis combined with extrusion was proposed and investigated. The problem was solved in one-dimensional formulation with consideration of viscous, thermal and concentration stresses. Evolution of temperature, density was investigated.

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.

High-temperature synthesis of the Ni3Al intermetallic compound under pressure

2007 ◽  
Vol 48 (4) ◽  
pp. 297-302 ◽  
Author(s):  
V. E. Ovcharenko ◽  
O. V. Lapshin ◽  
E. N. Boyangin ◽  
I. S. Ramazanov ◽  
V. A. Chudinov
Keyword(s):  
High Temperature ◽  
Intermetallic Compound ◽  
Temperature Synthesis ◽  
Ni3al Intermetallic Compound ◽  
High Temperature Synthesis ◽  
Ni3al Intermetallic

Features of Regularities of Ni3Al Intermetallic Compound High-Temperature Synthesis in a Powder Mixture (3Ni + Al) under Pressure

2018 ◽  
Vol 938 ◽  
pp. 41-45
Author(s):  
K.O. Akimov ◽  
E.N. Boyangin ◽  
Vladimir E. Ovcharenko
Keyword(s):  
High Temperature ◽  
Intermetallic Compound ◽  
Powder Mixture ◽  
Exothermic Reaction ◽  
Strength Properties ◽  
Grain Structure ◽  
Temperature Synthesis ◽  
Compound Formation ◽  
High Temperature Synthesis ◽  
Intermetallic Compound Formation

The results of investigation of the time and power parameters influence of high-temperature synthesis under pressure on the grain structure formation and strength properties of the Ni3Al intermetallic compound are presented and discussed. Dependences of the grain size in the intermetallic compound synthesized under pressure and its strength properties on the value of the preload on the initial powder mixture (3Ni + Al) and on the delay time of pressure application to the thermoreacting system were determined from the time of initiation of intermetallic compound formation volumetric exothermic reaction.

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