Fe-Zr-M-B(M=Cr,Nb,W)合金系列的热稳定性、微观结构和磁性能研究

doi:10.16039/j.cnki.cn22-1249.2020.05.013

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摘要

采用单辊快淬法制备Fe_91-xZr₇Cr₂B_x(x=10,12)和Fe₈₁Zr₇M₂B₁₀(M=Nb,W)非晶合金，并对上述非晶合金进行不同温度热处理。合金的热性能、微观结构及磁性能分别利用X射线衍射仪（XRD）、同步差热分析仪(STA) 和振动样品磁强计(VSM）测得。研究表明四种非晶合金的STA中均存在三个晶化放热峰，但初始晶化产物及晶化过程不同，Fe₈₁Zr₇Nb₂B₁₀非晶合金的初始晶化产物与Fe₈₁Zr₇Cr₂B₁₀合金相似为单一α-Fe相，Fe₈₁Zr₇W₂B₁₀非晶合金的初始晶化产物与Fe₇₉Zr₇Cr₂B₁₂合金相似为α-Fe相和Fe₂₃B₆相。不同的晶化产物导致合金的矫顽力(Hc)随热处理温度的变化存在差异，Fe₈₁Zr₇Nb₂B₁₀合金经热处理后具有较低的矫顽力(Hc)。

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	王晓楠
	刘洋
	左斌

关键词: 热处理晶化过程微观结构矫顽力

Abstract:

Fe_91-xZr₇Cr₂B_x (x=10, 12) and Fe₈₁Zr₇M₂B₁₀(M=Nb,W) amorphous alloys were prepared by the single roller melt-spinning and isothermally annealed at different temperatures. The thermal stability, microstructure and magnetic property of the alloys were investigated by X-ray diffraction (XRD), simultaneous thermal analysis (STA) and vibrating sample magnetometer (VSM), respectively. Research shows that the four kinds of amorphous alloys all exist three crystallization peaks in the STA curves, but have different crystallization initial products and crystallization processes. The initial crystallization product of Fe₈₁Zr₇Nb₂B₁₀alloy, which is a single α-Fe phase. The initial crystallization products of Fe₈₁Zr₇W₂B₁₀ amorphous alloy are similar to those of Fe₇₉Zr₇Cr₂B₁₂ alloy, which are α-Fe and Fe₂₃B₆ phases. The coercivity is different each other along with the change of heat treatment temperature, because of their different crystallization products. Fe₈₁Zr₇Nb₂B₁₀ alloy has low Hc after heat treatment.

Key words: heat treatment crystallization process microstructure coercivity

出版日期: 2020-05-25 发布日期: 2020-05-25 整期出版日期: 2020-05-25

TG139.8

引用本文:

王晓楠, 刘洋, 左斌. Fe-Zr-M-B(M=Cr,Nb,W)合金系列的热稳定性、微观结构和磁性能研究 [J]. 吉林化工学院学报, 2020, 37(5): 56-60.
WANG Xiaonan, LIU Yang, ZUO Bing. Thermal Property, Microstructure and Magnetic Property of Fe-Zr-M-B(M=Cr, Nb,W) Alloys . Journal of Jilin Institute of Chemical Technology, 2020, 37(5): 56-60.

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https://xuebao.jlict.edu.cn/CN/10.16039/j.cnki.cn22-1249.2020.05.013 或 https://xuebao.jlict.edu.cn/CN/Y2020/V37/I5/56

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