Fe-Ga合金具有较大的磁致伸缩应变λ,低的饱和磁化场.Fe83Ga17饱和磁致伸缩应变可以达到3.00×10-4.为了进一步验证不同相结构对合金磁致伸缩性能的影响,对样品进行中子衍射和差热分析,发现Fe83Ga17合金在700℃附近存在相结构变化,结构变化导致合金磁致伸缩系数的改变.
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