Effects of yttrium on the formation and magnetic properties of bulk metallic glassy (Fe, Co)-B-Si-Nb alloys

被引：0

作者：

Wen, Dun-gu ^{[1
]}

Yang, Yuan-zheng ^{[1
]}

Dong, Zhen-jiang ^{[1
]}

Tao, Ping-jun ^{[1
]}

Xie, Zhi-wei ^{[1
]}

Chen, Xian-chao ^{[1
]}

机构：

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

来源：

INTERNATIONAL JOURNAL OF MINERALS METALLURGY AND MATERIALS | 2010年 / 17卷 / 03期

基金：

中国国家自然科学基金;

关键词：

bulk metallic glass; glass-forming ability; yttrium; magnetic properties; AMORPHOUS FE70M10B20 M; 4000; MPA; NB; ZR; STRENGTH; CR;

D O I：

10.1007/s12613-010-0314-8

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

The bulk metallic glassy (BMG) rods of [(Fe(0.5)Co(0.5))(0.72)B(0.192)Si(0.048)Nb(0.04)](100-x)Y(x) (x=0-6) and [(Fe(x)Co(1-x))(0.72)B(0.192)Si(0.048)Nb(0.04)](96)Y(4) (x=0.5-0.8) were prepared by copper mold casting. The structure, thermal stability, and magnetic properties of the samples were studied by X-ray diffraction (XRD), differential scanning calorimetry (DSC), and vibrating sample magnetometer (VSM). Adding 1at% to 6at% of yttrium, the bulk glassy alloy rods of [(Fe(0.5)Co(0.5))(0.72)B(0.192)Si(0.048)Nb(0.04)](100-x)Y(x) (x=0-6) with the diameter of 3 mm were not formed, and the sample with 4at% of yttrium showed less crystalline phase than others. When the Fe/Co atomic ratio was between 5: 5 and 7: 3, the bulk glassy alloy rods of [(Fe(1-x)Co(x))(0.72)B(0.192)Si(0.048)Nb(0.04)](96)Y(4) (x=0.5-0.8) with the diameter of 2 mm were fabricated. In the (Fe, Co)-B-Si-Nb-Y BMGs, when the Fe content increased, the thermal stability, the supercooled liquid region, and the glass-forming ability (GFA) decreased, but the saturation magnetization (Ms) increased.

引用

页码：331 / 334

页数：4

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