利用内耗方法对B2 Fe-Al合金中原子缺陷的运动特征进行了研究.结果表明,Fe57Al43合金的内耗行为表明降温测量时样品中残留的热空位不足以产生内耗峰.对于不同温度空冷以及空冷后在400℃时效不同时间的Fe47Al53合金,降温测量时有一个在410℃附近内耗峰(P2H峰),且峰高与热处理方式无关,而与结构空位有关.
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