Formation of Grain Structure in Ni3Al Intermetallic Compound Synthesized by Thermal Explosion
V. E. Ovcharenko1,2, E. N. Boyangin1, K. O. Akimov3, K. V. Ivanov1
1Institute of Strength Physics and Materials Science, Siberian Branch, Russian Academy of Sciences, Tomsk, 634055 Russia
2Tomsk Polytechnic University, Tomsk 634050 Russia
3Tomsk State University, Tomsk, 634050 Russia
Keywords: тепловой взрыв, высокотемпературный синтез под давлением, интерметаллическое соединение NiAl, зеренная структура, прочность, пластичность, thermal explosion, high-temperature synthesis under pressure, intermetallic compound Ni3Al, grain structure, strength, plasticity
Abstract
We have studied the effect of preload and the delay in application of pressure to the product of high-temperature synthesis under conditions of thermal explosion of a powder mixture of stoichiometric composition on the grain size in the synthesized Ni3Al compound, on the nature of its fracture, strength, and ductility.
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