Effect of heat treatment on the mechanical properties of FeCoZrWB bulk metallic glass

被引：5

作者：

Tao Pingjun ^{[1
]}

Yang Yuanzheng ^{[1
]}

Guan Guangji ^{[2
]}

Zhao Deqiang ^{[1
]}

Guan Guangyi ^{[2
]}

Xie Zhiwei ^{[1
]}

机构：

[1] Guangdong Univ Technol, Fac Mat & Energy, Guangzhou 510006, Guangdong, Peoples R China

[2] Dongguan Jingci Technol Co Ltd, Dongguan 523285, Peoples R China

来源：

JOURNAL OF WUHAN UNIVERSITY OF TECHNOLOGY-MATERIALS SCIENCE EDITION | 2012年 / 27卷 / 03期

基金：

中国国家自然科学基金;

关键词：

bulk metallic glass; heat treatment; micro-hardness; compression strength; SOFT-MAGNETIC PROPERTIES; FERROMAGNETIC GLASSES; ALLOYS;

D O I：

10.1007/s11595-012-0502-7

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

A Fe61Co10Zr5W4B20 bulk metallic glass (BMG) with a diameter of 2 mm was prepared by using copper mould suction casting. The X-ray diffraction (XRD), differential scanning calorimetry (DSC), micro-hardness and compression tests were adopted to investigate the structure, thermal stability, especially, the effect of heat treatment on the micro-hardness and compression strength of this BMG. The BMG exhibits micro-hardness of about 1 207 Hv and compression fracture strength of about 1 707.6 MPa. After being annealed below the onset of crystallization temperature, the micro-hardness almost keeps constant. But after being annealed above the peak of crystallization temperature, the micro-hardness increases firstly and then declines gradually with the elongation of annealing time. However, annealed for the same period of time, the micro-hardness will increase with the rise of annealing temperature, while the compression fracture strength will apparently decrease.

引用

页码：547 / 549

页数：3

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