발간논문

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Vol.31, No.3, 340 ~ 345, 1993
Title
Fabrication of Ni3Al Intermetallic Alloy by Combustion Synthesis (1) ( Effect of Heating Rate on the Microstructure and Combustion Temperature )
손인진In Jin Shon, 유명기Myoung Ki You
Abstract
The effect of heating rate on the combustion temperature and microstructure of products formed by combustion synthesis was investigated. Combustion synthesis did not occur at the heating rate below 1℃ /min. Ignition temperature is nearly constant at the heating rate between 2℃/min and 60℃/min and then increased with heating rate. Both temperature rise caused by exothermic raction and the density of combustion synthesized product increased with increasing heating rate up to about 10℃/min. and then remained nearly constant. Below the heating rate of 10℃/min, Al₃Ni, Al₃Ni₂NiAl intermetallic compund is formed and Ni, Al remain, but over the heating rate, Ni₃Al intermetaltic compound is well obtained.
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