화학공학소재연구정보센터
학회 한국재료학회
학술대회 2008년 봄 (05/22 ~ 05/23, 상록리조트)
권호 14권 1호
발표분야 구조재료
제목 Effect of the atomic packing density on homogeneous deformation of bulk amorphous alloys
초록 This study demonstrated that elastic stress imposed on amorphous alloys for a prolonged period of time at room temperature causes the permanent deformation characterized by the homogeneous flow. The rate of the homogeneous flow largely depends on the atomic packing density such that the strain rate increased with increasing packing density. This homogeneous flow was accompanied by the formation of excess free volume that is formed as a result of the shear-induced structural disordering. Physics underlying these findings were interpreted from the molecular dynamics viewpoint.
저자 박경원1, 이창면1, Wakeda Masato2, Shibutani Yoji2, 이재철1
소속 1고려대, 2오사카대
키워드 amorphous alloy; homogeneous deformation; atomic packing density; free volume formation
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