用差热分析(DTA),结合X射线衍射(XRD)研究了Sm-Fe-Si-C非晶态合金的晶化动力学.结果表明:温度低于900oC时,该合金的晶化相为α-Fe(Si)固溶体和Sm2(Fe,Si)17Cx.α-Fe(Si)相的晶化表观激活能为431.51kJ/mol,Sm2(Fe,Si)17Cx相的晶化表观激活能为514.43kJ/mol.两相在晶化初期激活能变化不大,当α-Fe(Si)相的体积分数大于70%,Sm2(Fe,Si)17Cx相的体积分数大于50%时,它们的晶化激活能开始减小.
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