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Start Over Author "Xing-Lai, Che" Journal journal of materials research
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1. Glass-forming region of the Ni–Nb–Ta ternary metal system determined directly from n-body potential through molecular dynamics simulations

Author

Yitang Dai, B. X. Liu, Xing-Lai Che, and J.H. Li

Subjects
Materials science, Mechanical Engineering, Alloy, Composition (combinatorics), engineering.material, Condensed Matter Physics, Glass forming, Amorphous solid, Metal, Molecular dynamics, Crystallography, Mechanics of Materials, Chemical physics, visual_art, visual_art.visual_art_medium, engineering, General Materials Science, Ternary operation, Solid solution
Abstract

An n-body Ni–Nb–Ta potential is constructed to conduct molecular dynamics simulations using 129 solid solution models with various compositions. Comparing the relative stability of solid solutions versus their disordered counterparts, simulations determine two critical solid-solubility lines, which define a region in the composition triangle. If an alloy is located inside the defined region, a disordered state is energetically favored; if it is located outside, a crystalline solid solution is preserved. The region is therefore named as the metallic glass-forming region.

Published
2009
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