首页> 外文期刊>Journal of Materials Engineering and Performance >Crystallization Studies of Al_(85)Y_(10)Fe_(5-x)Ni_x (x=0, 2.5, 5) Alloys
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Crystallization Studies of Al_(85)Y_(10)Fe_(5-x)Ni_x (x=0, 2.5, 5) Alloys

机译:Al_(85)Y_(10)Fe_(5-x)Ni_x(x = 0,2.5,5)合金的结晶研究

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摘要

The crystallization behavior of melt-spun A_(85)Y_(10)Fe_(5-x)N_x (x = 0, 2.5, 5,) amorphous alloys has been investigated by a combination of differential scanning calorimetry (DSC) and x-ray diffractometry (XRD). XRD traces of these alloys consisted of a single broad peak corresponding to fully amorphous structure. Continuous DSC results showed that, the first crystallization peak temperature of Al_(85)Y_(10)Fe_5 amorphous alloy was about 60 K higher than that of Al_(85)Y_(10)Ni_5. The activation energies for the first crystallization peak increased from 210 kJ/mol for Al_(85)Y_(10)Ni_5 to 280 for Al_(85)Y_(10)Fe_5. These results indicate that 5 at. percent substitutions Ni by Fe increases the stability of the amorphous phase.
机译:结合差示扫描量热法(DSC)和x-分析法研究了熔纺A_(85)Y_(10)Fe_(5-x)N_x(x = 0、2.5、5)非晶态合金的结晶行为。射线衍射仪(XRD)。这些合金的XRD痕迹由一个对应于完全非晶态结构的宽峰组成。连续DSC结果表明,Al_(85)Y_(10)Fe_5非晶态合金的第一结晶峰温度比Al_(85)Y_(10)Ni_5高约60K。第一个结晶峰的活化能从Al_(85)Y_(10)Ni_5的210 kJ / mol增加到Al_(85)Y_(10)Fe_5的280 kJ / mol。这些结果表明5 at。 Ni被Fe取代的百分比提高了非晶相的稳定性。

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