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We report a series of bulk metallic glass-forming alloys of compositions (Cu 45 Zr 48−x Al 7 RE x , RE=La, Ce, Nd, Gd and 0≤x≤5at.%). By using a conventional copper mold sucking method, alloys with diameters ranging from 5 to 10mm can be readily solidified into an amorphous structure without detectable crystallites. The best glass-forming ability is obtained for the...
LaCe-based bulk metallic glasses (BMGs) with diameter up to 10mm have been synthesized in copper mold. The BMG alloys have low glass transition temperatures, about 403K and large supercooled liquid regions up to 58K. The hardness of the BMG alloys is around 1.9GPa. They also exhibit large plasticity and imprintability feature in the supercooled liquid region, which make the alloy a potential imprinting...
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