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Co和Ni对(Fe71.2B24Y4.8)96Nb4块体非晶合金因瓦效应的影响

WANG Jinmiao,HU Qiang,YAN Yihong,HU Caosheng,XIE Shenghui,ZENG Xierong

Chinese Journal of Materials Research（2018）

Cited 0|Views23
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Abstract
进行了[(Fe100-xCox)71.2B24Y4.8]96Nb4(x=0～60)和[(Fe100-xNix)71.2B24Y4.8]96Nb4(x=0～20)块体非晶合金的热膨胀实验.结果表明,加入Co和Ni使合金的因瓦效应减弱,替代量x相同时减弱的程度也基本相同.这些结果说明,添加Co和Ni对Fe原子局域结构的主要影响是减少了Fe-Fe原子对的数目.同时还发现,居里温度与磁性相变结束后的热膨胀系数呈反向变化,与结构弛豫导致的自由体积释放有关.
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Key words
Bulk Metallic Glasses,Glass Forming Ability
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