<正> 本文作者在文献[1,2]中,曾观测到经200℃保温8h的不同含Nd量的Fe试样,在Nd含量为0.087wt-％附近,正电子湮没线形参数S有最小值,超过此浓度,S参数陡然增加,显示了有新的含Nd相析出,该突变点示出Nd在Fe中的固溶度,为了
The solubilities of Neodymium in pure iron were determined by the positron annihilation method. In iron cooled slowly to room temperature or exposed at 760℃ for 72h, they are 0.082wt-% and 0.088wt-% respectively
参考文献
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