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材料工程  2007 

(Fe0.5Ni0.5)80-xMoxB20非晶态合金的玻璃形成能力与热稳定性

Keywords: (Fe0.5Ni0.5)80-xMoxB20非晶态合金,玻璃形成能力,热稳定性

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Abstract:

采用XRD,TEM,DSC研究了(Fe0.5Ni0.5)80-xMoxB20(x=0,2,4,6,8)非晶态合金的玻璃形成能力和热稳定性,讨论了非晶态合金玻璃形成能力的表征,探讨了Mo对玻璃形成能力和热稳定性的作用机理。结果表明Mo的加入可提高(Fe0.5Ni0.5)80-xMoxB20合金的玻璃形成能力和热稳定性;Tx/Tm可用于表征(Fe0.5Ni0.5)80-xMoxB20非晶态合金的玻璃形成能力;合金组元数目增多、原子尺寸比增大及负混合热是Mo提高玻璃形成能力的主要原因。

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