Al85Ni5Y6Fe2Co2非晶态及部分晶化态合金的磁性*

doi:10.11901/1005.3093.2014.802

材料研究学报

2015, Vol. 29

Issue (5): 389-393 DOI: 10.11901/1005.3093.2014.802

本期目录 | 过刊浏览

Al₈₅Ni₅Y₆Fe₂Co₂非晶态及部分晶化态合金的磁性^*

杨红旺(

),沈莹莹,张鹏,王瑞春,李荣德

沈阳工业大学材料科学与工程学院沈阳 110870

Magnetisms of Fully Amorphous and Partially Crystallized Amorphous Al₈₅Ni₅Y₆Fe₂Co₂ Alloys

Hongwang YANG(

),Yingying SHEN,Peng ZHANG,Ruichun WANG,Rongde LI

School of Materials Science and Engineering, Shenyang University of Technology, Shenyang 110870, China

引用本文:

杨红旺,沈莹莹,张鹏,王瑞春,李荣德. Al₈₅Ni₅Y₆Fe₂Co₂非晶态及部分晶化态合金的磁性^*[J]. 材料研究学报, 2015, 29(5): 389-393.
Hongwang YANG, Yingying SHEN, Peng ZHANG, Ruichun WANG, Rongde LI. Magnetisms of Fully Amorphous and Partially Crystallized Amorphous Al₈₅Ni₅Y₆Fe₂Co₂ Alloys[J]. Chinese Journal of Materials Research, 2015, 29(5): 389-393.

全文: PDF(735 KB) HTML

摘要:

用振动样品磁强计测量了急冷态的Al₈₅Ni₅Y₆Fe₂Co₂完全非晶态和不完全非晶态的磁性。结果表明, 两种合金的磁化曲线均过原点并穿过一、三象限, 没有剩磁和矫顽力。该合金完全非晶态和不完全非晶态的磁性均为顺磁性与抗磁性的叠加。对曲线线性部分进行拟合后得到磁化率, 完全非晶的磁化率为2.41×10^-4, 而不完全非晶的磁化率是2.73×10^-4, 可见不完全非晶更容易磁化。将完全非晶合金在330℃和390℃退火处理后的磁性测试结果表明, 随退火温度的提高合金的线性部分磁化率由2.53×10^-4提高到2.81×10^-4, 即在390℃退火的合金更容易磁化。

关键词 ：金属材料, 非晶合金, 铝合金, 磁性, 晶化

Abstract：

Magnetic characteristics of the as-quenched fully and partially amorphous Al₈₅Ni₅Y₄Fe₂Co₂ alloy were measured by VSM (vibrating sample magnetometer). The results show that the magnetization curves of the two alloys pass the origin of coordinates and extend through the first and the third quadrants, no remanence and coercivity were observed. The magnetism of the fully and partially amorphous alloys is all a combination of paramagnetism and diamagnetism. The magnetic susceptibility of the fully amorphous alloy is 2.41×10^-4 and that of the partially amorphous alloy is 2.73×10^-4. The magnetisms of the alloys annealed at 330℃and 390℃ were also tested respectively. The magnetic susceptibility of the linear portion of the magnetization curve increases from 2.53×10^-4to 2.81×10^-4 as the annealing temperature rises from 330℃ to 390℃. The hybrid microstructures of the alloys may account for the evolution of the corresponding magnetisms.

Key words： metallic materials amorphous alloy Al alloy magnetism crystallization

收稿日期: 2014-12-17

基金资助:^*国家自然科学基金51171119,辽宁省自然科学基金2013020084,辽宁省高等学校杰出青年学者成长计划LJQ2014015和沈阳科技局发展项目1091177-1-00资助。

作者简介: 杨红旺

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https://www.cjmr.org/CN/10.11901/1005.3093.2014.802 或 https://www.cjmr.org/CN/Y2015/V29/I5/389

图1 急冷态Al85Ni5Y6Fe2Co2合金的XRD谱

图2 Al85Ni5Y6Fe2Co2合金的升温DSC曲线

图3 完全非晶态Al85Ni5Y6Fe3Co2的磁化曲线

图4 部分晶化态Al85Ni5Y6Fe2Co2的磁化曲线

图5 Al85Ni5Y6Fe2Co2退火态的XRD谱

图6 Al85Ni5Y6Fe2Co2 在330℃退火后的磁化曲线

图7 Al85Ni5Y6Fe2Co2 在390℃退火后的磁化曲线

表1 不同状态下的合金磁化率及晶化度

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