研究了由前过渡族金属和后过渡族金属按照等原子比替代的(Ti0 33Zr0.33Hf0.33)50(Ni0.33Cu0.33Ag0.33)40Al10多组元合金在机械研磨作用下的非晶化转变,并与由熔体急冷制备的同一成分玻璃态合金进行了对比.两种途径获得的玻璃态相似在机械研磨的稳态产物中,仍残留有少量尺寸小于30 nm的晶体相颗粒,即非晶化转变未能完全实现.机械研磨形成的非晶相表现有明确的玻璃转变和约80 K宽的过冷液态温度区间,晶化过程分两步进行,第一步晶化转变完成后,剩余的非晶相亦具有玻璃态行为,呈现另一玻璃转变及约100 K宽的过冷液态温度区间.
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