EVOLUTION OF STRUCTURE DURING LOCAL PLASTIC DEFORMATION IN Fe-Ni-B METALLIC GLASS

被引：0
|
作者：
Jurikova, Alena [1 ]
Csach, Kornel [1 ]
Miskuf, Jozef [1 ]
机构：
[1] Slovak Acad Sci, Inst Expt Phys, Kosice 04001, Slovakia
来源：
CHEMICKE LISTY | 2012年 / 106卷
关键词：
local plastic deformation; shear band; structural relaxation; amorphous alloy; AMORPHOUS ALLOY;
D O I：
暂无
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
A. Jurikova, K. Csach, and J. Miskuf (Institute of Experimental Physics of Slovak Academy of Sciences, Kosice): Evolution of Structure during Local Plastic Deformation in Fe-Ni-B Metallic Glass In metastable amorphous metals the structural relaxation is closely related to the free volume annihilation. In the work we studied the deformation-induced structural changes in the Fe-Ni-B amorphous ribbon. The enthalpy changes connected with structural relaxation of the deformed samples as well as non-deformed samples were measured. With the increasing the amount of stored deformation energy the larger enthalpy changes are observed. The deformation-introduced free volume has lower energy and can achieve similar to 1/3 of the free volume amount introduced by rapid quenching of the melt during metallic glass preparation.
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收藏
页码：S448 / S449
页数：2
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