用Mossbauer谱研究了B2结构金属间化合物Fe-40Al及其加Mn或Ti量分别为1,5,10at.-%的合金.在室温下,Fe-40Al及其合金的Mossbauer谱均接近单峰谱线,Fe原子无明显磁矩对加入第三组元的Fe—40Al合金的Mossbauer谱用最小二乘法拟合为两条洛仑兹曲线之和,认为Mn原子既占据Fe原子位置,也占据Al原子位置;而Ti原子优先占据Fe原子位置,超过5at.-%时,才有少量Ti原子占据Al原子位置.
Mossbauer measurements at room temperature have been carried out on the B2 intermetallic compound Fe-40A1 and its Mn or Ti containing alloys.The reults show that all the Mossbauer spectra of Fe-40A1 and its Mn or Ti containing alloys are approximately one
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[9] | McKameyCG,DevanJH,TortrelliPFetal.JMaterRes,1991 |
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