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OALib Journal期刊
ISSN: 2333-9721
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急冷BNi2条带的结构不均匀性及其晶化亚稳相
, PP. 102-156
Abstract:
利用X射线衍射及透射电镜观察到单辊急冷法制备的BNi2(～Ni_(70)Cr_7Fe_3Si_3B_(12)条带的内部为正常非晶结构,而上下表层则由具有111纤维织构的Ni固溶体组成。这种结构不均匀性可用急冷条带形成时动量传导起主要作用来解释。此外还证实了BNi2非晶合金在晶化第二阶段析出的未知亚稳相为具有100与110纤维织构的M_(28)B_6型面心立方相,点阵常数约为1.04nm。
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