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首页> 外文会议>International Symposium on Metastable, Mechanically Alloyed and Nanocrystalline Materials(ISMANAM 2004); 20040822-26; Sendai(JP) >Viscosity of Some Fe-Ni Based Liquid Alloys and Their Rapid Solidification
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Viscosity of Some Fe-Ni Based Liquid Alloys and Their Rapid Solidification

机译：某些Fe-Ni基液态合金的粘度及其快速凝固

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摘要

The viscosity of (Fe_(1-x)Ni_x)_(83)B_(17) (X=0～1.0 atomic fractions) liquid alloys has been measured by an oscillating crucible method. The viscosity decreased with increasing Ni content up to about X=0.5 and then increased to a maximum value at X=0.75. At this composition, the activation energy for viscous flow reached to the minimum value of about 37 kJ/mol. Small pieces of the ingots were rapidly quenched by using a single roller type melt spinning apparatus. In the case of the as-quenched (Fe_(0.5)Ni_(0.5))_(83)B_(17) alloy, an unstable bcc-(110) reflection was indicated by X-ray diffraction. After annealing, the bcc-(110) reflection shifted to the low-angle side, and then appeared the stable fcc-(111) reflection. In the as-quenched (Fe_(0.25)Ni_(0.75))_(83)B_(17) alloy, a sharp reflection of the stable Fe_(4.5)Ni_(18.5)B_6-(511) was observed in the amorphous phase.
机译：通过振荡坩埚法测定了（Fe_（1-x）Ni_x）_（83）B_（17）（X = 0〜1.0原子分数）液态合金的粘度。粘度随着Ni含量的增加而降低，直至约X ＝ 0.5，然后在X ＝ 0.75时增加至最大值。在该组成下，粘性流的活化能达到约37kJ / mol的最小值。通过使用单辊式熔融纺丝设备将小块的锭快速淬火。在淬火后的（Fe_（0.5）Ni_（0.5））_（83）B_（17）合金中，通过X射线衍射显示出不稳定的bcc-（110）反射。退火后，bcc-（110）反射移至低角度一侧，然后出现稳定的fcc-（111）反射。淬火后的（Fe_（0.25）Ni_（0.75））_（83）B_（17）合金在非晶相中观察到稳定的Fe_（4.5）Ni_（18.5）B_6-（511）的尖锐反射。 。

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