Atomic packing density and its influence on the properties of Cu-Zr amorphous alloys

Park, Kyoung-Won; Jang, Jae-il; Wakeda, Masato; Shibutani, Yoji; Lee, Jae-Chul

doi:10.1016/j.scriptamat.2007.07.019

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Atomic packing density and its influence on the properties of Cu-Zr amorphous alloys

Park, Kyoung-Won;
Jang, Jae-il;
Wakeda, Masato;
Shibutani, Yoji;
Lee, Jae-Chul

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WEB OF SCIENCE

182

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186

초록

This study examined the structural factors that determine the properties of amorphous alloys. The properties of amorphous alloys were found to be intimately related to the atomic packing density, characterized by short-range ordered (SRO) atomic clusters and free volume. With increasing packing density, the modulus and strength increased, while the plasticity decreased. We discuss the fundamental microstructural aspects that influence several representative properties of amorphous alloys in terms of the packing state characterized by fractions of SRO atomic clusters.

키워드

amorphous alloy; properties; atomic packing density; free volume; short-range ordering; BULK METALLIC-GLASS; MECHANICAL-PROPERTIES; THERMAL-STABILITY; FORMING ABILITY; CRYSTALLIZATION; SYSTEM; MICROSTRUCTURE; DEFORMATION

제목: Atomic packing density and its influence on the properties of Cu-Zr amorphous alloys

저자: Park, Kyoung-Won; Jang, Jae-il; Wakeda, Masato; Shibutani, Yoji; Lee, Jae-Chul

DOI: 10.1016/j.scriptamat.2007.07.019

발행일: 2007-11

유형: Article

저널명: Scripta Materialia

권: 57

호: 9

페이지: 805 ~ 808