简介概要

MEVVA磁过滤等离子技术制备的Fe纳米颗粒薄膜结构

图书来源:二元合金相图及中间相晶体结构 二元合金相图及中间相晶体结构

作 者:唐仁政 田荣璋

出版时间:2009-05

定 价:320元

图书ISBN:978-7-81105-831-4

出版单位:中南大学出版社

详情信息展示

Interactive Effect of Grain Orientation and Grain Size on Magnetic Properties of Fe-78 wt% Ni Ribbons

Nan Wang 1) , Ruining Yang 1) , Wenjing Yao 1) , Jinfeng Xu 2) and Xixing Wen 1) 1) Key Laboratory of Space Applied Physics and Chemistry, Ministry of Education, School of Science, Northwestern Polytechnical University, Xi an 710072, China 2) School of Materials and Engineering, Xi’an University of Technology, Xi an 710048, China

摘 要:Fe-78 wt% Ni ribbons were prepared by the melt spinning technique and the interactive contribution of the grain size and grain orientation on the magnetic properties was examined. Heat treatment at 673 K for 1 h followed by furnace cooling was performed to show the annealing impact. At three wheel speeds of 10, 20, and 30 m/s, the saturation magnetization nearly does not change. High wheel speed and heat treatment are inclined to promote the growth of <001> grains. Although the <001> orientation is not the easy axis of magnetization, the improvement of the texture in this direction makes the coercivity decrease, which counteracts the inverse effect of the grain size at high wheel speed. It indicates that for preparing soft magnetic ribbons, the interactive contribution of grain orientation variation and the grain size should be considered.

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