摘要
用单辊快淬法和非晶晶化法制备Fe76Co6Zr9B9和Fe76Co6Zr7Nb2B9非晶及纳米晶合金,用多种测试手段对两种合金的热曲线、显微组织及磁性能进行测试,研究添加原子数分数为2%的Nb对Fe76Co6Zr9B9合金结构和性能的影响。结果表明:不含Nb的Fe76Co6Zr9B9合金化产物含有亚稳相及α-Fe(Co)相,其矫顽力(Hc)较大,为半硬磁合金材料;添加Nb的Fe76Co6Zr7Nb2B9合金晶化产物仅含有α-Fe(Co)相,为良好的软磁合金材料。添加原子数分数为2%的Nb抑制了合金化过程中亚稳相的析出,降低晶粒尺寸,提高了合金的比饱和磁化强度并明显降低合金的Hc。
Fe76Co6Zr9B9 and Fe76Co6Zr7Nb2B9 amorphous and nanocrystalline alloys were prepared by single roller melt-spinning and amorphous crystallization methods.The thermal curves,microstructures and magnetic properties of alloys were measured by means of multiple testing methods.The influence of 2%Nb addition on the structure and property of Fe76Co6Zr9B9 alloy was studied.The results show that the crystallization products of Fe76Co6Zr9B9 alloy without Nb contain metastable phase andα-Fe(Co)phase.Its coercive force(Hc)is relatively large,which is semi-hard magnetic alloy material.The crystallization product of Fe76Co6Zr7Nb2B9 alloy with Nb only containsα-Fe(Co)phase,which is a good soft magnetic alloy material.Addition of 2%Nb inhibits the precipitation of metastable phase during crystallization process,reduces the grain size,improves the specific saturation magnetization and significantly reduces the coercive force(Hc)of the alloy.
作者
于万秋
张宇彤
王志群
徐仕翀
华中
YU Wanqiu;ZHANG Yutong;WANG Zhiqun;XU Shichong;HUA Zhong(National Demonstration Center for Experimental Physics Education,Jilin Nonnal University,Siping 136000,China;College of Physics,Jilin Normal University,Siping 136000,China;State Grid Economic Research Institute of East Inner Mongolia Electric Power Company Limited,Hohhot 010020,China)
出处
《兵器材料科学与工程》
CAS
CSCD
北大核心
2020年第4期36-39,共4页
Ordnance Material Science and Engineering
基金
青年科学基金(51301075)
吉林师范大学大学生创新创业训练计划项目。
关键词
非晶合金
Nb添加
显微组织
磁性能
amorphous alloys
Nb addition
microstructure
magnetic property
