Microstructure and maganetostrictive properties of Fe<sub>85</sub>Ga<sub>15</sub> ribbons

LIU Hao 1 WANG Haiou 1 CAO Mengxiong 1 TAN Weishi 1 SHI Yangguang 2 CHEN Yu 3 HUANG Yuying 4 1

doi:10.11889/j.0253-3219.2013.hjs.36.030102

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Microstructure and maganetostrictive properties of Fe₈₅Ga₁₅ ribbons

更新时间：2021-06-03

- Microstructure and maganetostrictive properties of Fe₈₅Ga₁₅ ribbons
- NUCLEAR TECHNIQUES Vol. 36, Issue 3, Article number: 030102(2013)
- 作者机构：
  
  1. 南京理工大学理学院应用物理系
  2. 南京航空航天大学理学院应用物理系
  3. 中国科学院高能物理研究所
  4. 中国科学院上海应用物理研究所
- 作者简介：
- 基金信息：
- DOI：10.11889/j.0253-3219.2013.hjs.36.030102
  CLC： TG113
- Published：2013
- 稿件说明：
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[1]刘昊,王海欧,曹梦雄,谭伟石,时阳光,陈雨,黄宇营.快淬Fe_(85)Ga_(15)薄带的微观结构和磁致伸缩性能研究[J].核技术,2013,36(03):5-9.

LIU Hao 1 WANG Haiou 1 CAO Mengxiong 1 TAN Weishi 1 SHI Yangguang 2 CHEN Yu 3 HUANG Yuying 4 1. Microstructure and maganetostrictive properties of Fe₈₅Ga₁₅ ribbons[J]. Nuclear techniques, 2013, 36(3): 030102
[1]刘昊,王海欧,曹梦雄,谭伟石,时阳光,陈雨,黄宇营.快淬Fe_(85)Ga_(15)薄带的微观结构和磁致伸缩性能研究[J].核技术,2013,36(03):5-9. DOI： 10.11889/j.0253-3219.2013.hjs.36.030102.

LIU Hao 1 WANG Haiou 1 CAO Mengxiong 1 TAN Weishi 1 SHI Yangguang 2 CHEN Yu 3 HUANG Yuying 4 1. Microstructure and maganetostrictive properties of Fe₈₅Ga₁₅ ribbons[J]. Nuclear techniques, 2013, 36(3): 030102 DOI： 10.11889/j.0253-3219.2013.hjs.36.030102.

摘要

为研究Fe-Ga合金微结构对磁致伸缩效应的影响

测量了Fe85Ga15合金铸态和不同甩速下制备的薄带的相结构、局域结构和磁致伸缩性能。X射线衍射结果表明合金铸态保持无序的BCC结构

在甩带样品以及退火态样品中都探测到了修正的DO3相。X射线衍射和扩展X射线吸收精细结构谱的结果共同说明Ga原子沿着[100]方向次近邻分布。1000℃退火态样品中析出的少量DO3相使磁致伸缩系数降低。较大的甩速使得合金中产生较多的修正的DO3相

从而提高了样品的磁致伸缩系数。

Abstract

Background: Fe-Ga alloy is a new magnetostrictive material of lower price and better extensibility in comparison with conventional Tb-Dy-Fe alloys.Many researches revealed that the microstructure and magnetostriction are influenced by preparing method and heat treatment.Purpose: In order to study the influence of microstructure on magnetostrctive properties of Fe-Ga alloy

the phase structures

local structure and magnetostrictive properties of Fe85Ga15 ribbons prepared by different wheel speed was studied.Methods: We utilized high resolution x-ray diffraction（HRXRD） to characterize the phase structure and used Extend X-ray absorption fine structure（EXAFS） to study the local structure of the ribbons in Synchrotron Radiation Facility.Results: X-ray diffraction showed that only disordered BCC phase was observed in as-cast Fe85Ga15alloy.Modified-DO3phase were detected in all of the melt spun samples.Both the HRXRD and EXAFS results indicated that Ga atoms were located as second-nearest neighbour along [100] orientation.A little DO3 phase was found in ribbons annealed at 1000℃ under Ar atmosphere.Conclusions: Higher wheel speed will generate more modified-DO3 phase which will enhance the magnetostriction.DO3phase in the annealing sample will deteriorate the magnetostrictive properties of Fe-Ga ribbons.

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Microstructure and maganetostrictive properties of Fe85Ga15 ribbons

DOI：10.11889/j.0253-3219.2013.hjs.36.030102

摘要

Abstract

关键词

Keywords

references

Microstructure and maganetostrictive properties of Fe₈₅Ga₁₅ ribbons