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Phase separation and crystallization in a melt-spun Ti45Zr35Ni17Cu3 alloy

机译:Ti45Zr35Ni17Cu3熔纺合金中的相分离和结晶

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摘要

Structure and crystallization behavior of amorphous and quasicrystalline Ti45Zr35Ni17Cu3 alloy have been studied. DSC trace of the amorphous alloy obtained during continuous heating to 1300 K shows distinctly an exothermic peak and two endothermic peaks. The amorphous alloy has different structures depending on annealing temperature. The first exothermic reaction at low temperature region from 400 K to 900 K is due to the precipitation of an icosahedral quasicrystalline phase, and the second endothermic reaction at higher temperature region from 950 K to 990 K results from the transformation of the I-phase to C14 Laves and alpha-(Ti, Zr) phases. (C) 2007 Published by Elsevier B.V.
机译:研究了非晶态和准晶态Ti45Zr35Ni17Cu3合金的结构和结晶行为。在连续加热到1300 K的过程中获得的非晶态合金的DSC曲线明显显示出一个放热峰和两个吸热峰。非晶合金根据退火温度具有不同的结构。在400 K至900 K的低温区域发生的第一次放热反应是由于二十面体准晶相的析出,而在950 K至990 K的较高温度区域发生的第二吸热反应是由I相转变为C14 Laves和α-(Ti,Zr)相。 (C)2007由Elsevier B.V.发布

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