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Bulk scandium-based metallic glasses

机译:大块scan基金属玻璃

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摘要

The novel rare-earth scandium-based bulk metallic glasses (BMGs) are obtained by the copper mold casting method. Compared with other rare-earth BMGs reported so far, the Sc-based BMGs exhibit the highest elastic moduli (e.g., Young's modulus, E = 85 GPa; bulk modulus, B = 77.5 GPa), glass transition temperature (T-g = 62 K), and crystallization temperature (T-x = 760 K) combined with a large region of supercooled liquid (Delta Tau = 98 K). A good correlation between glass transition temperature and elastic moduli is found in a variety of rare-earth-based BMGs.
机译:通过铜铸模法获得了新颖的稀土scan基块状金属玻璃(BMG)。与迄今为止报道的其他稀土BMG相比,基于Sc的BMG表现出最高的弹性模量(例如,杨氏模量,E = 85 GPa;体积模量,B = 77.5 GPa),玻璃化温度(Tg = 62 K)和结晶温度(Tx = 760 K)以及大面积的过冷液体(Delta Tau = 98 K)。在各种基于稀土的BMG中,发现玻璃化转变温度与弹性模量之间具有良好的相关性。

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