Glass Forming Ability,Thermal Stability and Electrical Resistivity of the Fe67-xNb5B28Cux Alloys

Cai Mengmeng; Zhu Man; Jian Zengyun; Chang Fang’e

doi:10.15980/j.tzzz.2019.01.002

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Glass Forming Ability,Thermal Stability and Electrical Resistivity of the Fe_67-xNb₅B₂₈Cu_x Alloys
Vol. 39, Issue 1, Pages: 6-9(2019)
Published： 2019 ，
DOI： 10.15980/j.tzzz.2019.01.002

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[1]蔡萌萌,朱满,坚增运,常芳娥.Fe_(67-x)Nb_5B_(28)Cu_x合金的非晶形成能力、热稳定性和电阻率研究[J].特种铸造及有色合金,2019,39(01):6-9.

Cai Mengmeng, Zhu Man, Jian Zengyun, et al. Glass Forming Ability,Thermal Stability and Electrical Resistivity of the Fe_67-xNb₅B₂₈Cu_x Alloys. [J]. Special Casting & Nonferrous Alloys 39(1):6-9(2019)
[1]蔡萌萌,朱满,坚增运,常芳娥.Fe_(67-x)Nb_5B_(28)Cu_x合金的非晶形成能力、热稳定性和电阻率研究[J].特种铸造及有色合金,2019,39(01):6-9. DOI： 10.15980/j.tzzz.2019.01.002.

Cai Mengmeng, Zhu Man, Jian Zengyun, et al. Glass Forming Ability,Thermal Stability and Electrical Resistivity of the Fe_67-xNb₅B₂₈Cu_x Alloys. [J]. Special Casting & Nonferrous Alloys 39(1):6-9(2019) DOI： 10.15980/j.tzzz.2019.01.002.

摘要

采用单辊甩带法制备了Fe

67-x

（x=0.5、1.0、2.0

摩尔分数）非晶合金

利用X射线衍射仪（XRD）、差示扫描量热仪（DSC）和四探针测试仪研究了Cu含量对合金热稳定性和电阻率的影响。结果发现

Fe基非晶合金的晶化过程与合金中的Cu含量有关

随着Cu含量的增加

合金的非晶形成能力和热稳定性降低。Fe

66.5

0.5

合金具有大的非晶形成能力以及高热稳定性

其过冷液相区宽度和晶化起始温度分别为39和929K。Fe

67-x

非晶合金的电阻率为119～138μΩ·cm

合金电阻率随Cu含量的变化规律与非晶形成能力（GFA）一致。

Abstract

The Fe

67-x

（x=0.5

1.0

2.0）（atomic fraction

%）amorphous ribbons have been prepared successfully by melt-spinning.The influences of Cu content on thermal stability and electrical resistivity were investigated by X-ray diffractometer（XRD）

differential scanning calorimetry（DSC）and four-point tester.The results indicate that the crystallization process is directly related with Cu content

where with the increase of Cu content

the glass forming ability and thermal stability are decreased in the Fe

67-x

alloys.The Fe

66.5

0.5

glassy alloy exhibits the excellent GFA and high thermal stability

in which the values ofΔT

and T

are equal to 39Kand 929K

respectively.The electrical resistivity of the Fe