Cu-Fe-Cr原位复合材料的组织结构与磁学性质Microstructure and magnetic properties of Cu-Fe-Cr in-situ composite
孙世清,毛磊
摘要(Abstract):
通过真空熔炼、锻造和大量拉拔变形制备了Cu-16Fe-2Cr原位复合材料。用X-射线衍射仪(XRD)、光学金相显微镜和扫描电镜(SEM)观察分析了纤维相结构和形貌,用振动样品磁强计(VSM)测试了Cu-16Fe-2Cr原位复合材料的磁性。结果表明,随着Fe-Cr纤维的细化和沿织构〈110〉方向的定向排列,沿丝材轴向Cu-16Fe-2Cr原位复合材料表现出显著的磁各向异性。随着变形量的增大,Cu-16Fe-2Cr原位复合丝材的矫顽力和矩形度逐渐提高,在η=5.42时分别达到163×79.6A·m~(-1)和0.71。
关键词(KeyWords): 铜基原位复合材料;组织;变形量;磁性
基金项目(Foundation): 河北省自然科学基金(503372);; 教育部科学技术重点研究项目(205015);; 河北省教育厅博士科研基金(B2004202)
作者(Author): 孙世清,毛磊
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