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Formation and properties of RE55Al25Co20 (RE = Y, Ce, La, Pr, Nd, Gd, Tb, Dy, Ho and Er) bulk metallic glasses

机译:RE55Al25Co20(RE = Y,Ce,La,Pr,Nd,Gd,Tb,Dy,Ho和Er)的形成和性能

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We report that a series of ternary RE55Al25Co20 (RE = Y, Ce, La, Pr, Nd, Gd, Tb, Dy, Ho and Er) alloys can be readily cast into bulk glasses by a conventional casting method. The characteristics and properties of these new bulk metallic glasses (BMGs) are studied and compared. Due to the chemical comparability and well-regulated variety in atomic size, properties and elastic constants of these rare earth elements, the RE55Al25Co20 BMGs could be regarded as a model system to investigate the glass-forming ability, thermal stability, glass transition, crystallization behavior, liquid fragility, elastic and mechanical properties as well as their relationships. An attempt is made to highlight commonality and contrasts of the effects of various factors on the metallic glasses formation and properties. (C) 2007 Elsevier B.V. All rights reserved.
机译:我们报告说,可以通过常规铸造方法将一系列三元RE55Al25Co20(RE = Y,Ce,La,Pr,Nd,Gd,Tb,Dy,Ho和Er)合金容易地铸造成块状玻璃。研究和比较了这些新型块状金属玻璃(BMG)的特性和性能。由于这些稀土元素的化学可比性和原子尺寸,性能和弹性常数的可控变化,RE55Al25Co20 BMG可作为研究玻璃形成能力,热稳定性,玻璃化转变,结晶行为的模型系统。 ,液体脆性,弹性和机械性能及其关系。试图强调各种因素对金属玻璃的形成和性能的共性和对比。 (C)2007 Elsevier B.V.保留所有权利。

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