Enhancement of bending toughness for Fe-based amorphous nanocrystalline alloy with deep cryogenic-cycling treatment

被引：0

作者：

Zhang, Yi-ran ^{[1
]}

Yang, Dong ^{[2
]}

Xiang, Qing-chun ^{[1
]}

Liu, Hong-yu ^{[2
]}

Pang, Jing ^{[2
]}

Ren, Ying-lei ^{[1
]}

Li, Xiao-yu ^{[1
,2
]}

Qiu, Ke-qiang ^{[1
]}

机构：

[1] Shenyang Univ Technol, Sch Mat Sci & Engn, Shenyang 110870, Peoples R China

[2] Qingdao Yunlu Adv Mat Technol Co Ltd, Qingdao 266232, Peoples R China

来源：

CHINA FOUNDRY | 2025年 / 22卷 / 01期

关键词：

deep cryogenic-cycling treatment; Fe-based amorphous nanocrystalline alloy; bending toughness; rejuvenation; TG143.9; A; SOFT-MAGNETIC-ALLOYS; BULK METALLIC-GLASS; REJUVENATION; RELAXATION; TRANSITION; PLASTICITY;

D O I：

10.1007/s41230-024-4096-4

中图分类号：

TF [冶金工业];

学科分类号：

0806 ;

摘要：

The effects of deep cryogenic-cycling treatment (DCT) on the mechanical properties, soft magnetic properties, and atomic scale structure of the Fe73.5Si13.5B9Nb3Cu1 amorphous nanocrystalline alloy were investigated. The DCT samples were obtained by subjecting the as-annealed samples to a thermal cycling process between the temperature of the supercooled liquid zone and the temperature of liquid nitrogen. Through flat plate bending testing, hardness measurements, and nanoindentation experiment, it is found that the bending toughness of the DCT samples is improved and the soft magnetic properties are also slightly enhanced. These are attributed to the rejuvenation behavior of the DCT samples, which demonstrate a higher enthalpy of relaxation. Therefore, DCT is an effective method to enhance the bending toughness of Fe-based amorphous nanocrystalline alloys without degrading the soft magnetic properties.

引用

页码：99 / 107

页数：9

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