3339 Internal Structure and Local Lattice Instability of Amorphous Metals

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  • 3339 アモルファス金属の内部構造と局所格子不安定性(S18-5 アモルファス合金,S18 材料の強度と組織)

Abstract

In the present study, various amorphous Ni-Al binary alloys are made by usual melt-quench simulation with different Al composition, and then subjected to tension by means of molecular dynamics simulation. It is revealed that the peak stress shows the highest value at the composition of Al-25at%. Then we discuss the internal structure and its stability from the view point of the elastic stiffness coefficient, or the "lattice stability".

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