OALib Journal期刊
ISSN: 2333-9721
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高饱和铁基非晶态合金的磁性和热稳定性
, PP. 115-122
Abstract:
非晶态Fe_80B_(20),Fe_(17.84)B_(16.81)Si_(3.49)C_(1.36),Fe_(65.66)Co_(17.3)B_(15.84)Si_(1.2)和Fe_(6(?).92)Co_(17)B_(19.29)Si_(1.59)C_((?).(?))P_((?).(?))合金用单辊急冷法制备.测量了饱和磁化强度与温度的关系.得到0K时的原子磁矩(?)都在2.03—2.07μ_B之间.非晶态Fe_(80)B_(20)和Fe_(77.84)B_(16.81)Si_(3.49)C_((?).(?))合金的室温饱和磁化强度σ_s(R.T.)和Curie温度Tc相近,而含Co样品的σ_s(R.T.)和T_c分别高于Fe_(80)B_(20)约6%和13%.由热磁、电阻率、差热分析和X射线衍射的测量结果分析了样品的晶化转变.含Co样品的晶化温度T_(cr)与Fe_(80)B_(20)相近,而Fe_(77.84)B_(16.81)Si_(3.49)C_(1.86)的T_(cr)高于Fe_(80)B_(20)约80K.用化学键、T_(cr)与e/α的关系以及晶化过程的复杂性讨论了影响高饱和非晶态合金稳定性的因素.
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