Fe-Cu-Ta-Si-B纳米晶金属薄带可以通过快淬技术直接制备,而无需退火过程.对比Fe-Cu-Ta-Si-B快淬纳米晶薄带,发现相同Cu含量下,a-Fe(Si)更易在Fe-Cu-Nb-Si-B快淬态薄带中析出.在快淬态Fe-Cu-Ta-Si-B金属薄带中,适当高的Cu含量有利于α-Fe(Si)的成核;但过高的Cu含量反而弱化了纳米晶化,这是由于团簇效应粗化了Cu颗粒的尺寸,却减少了a-Fe(Si)的有效成核位置.
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