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Please use this identifier to cite or link to this item: http://ntour.ntou.edu.tw:8080/ir/handle/987654321/23520

Title: Fabrication of Mg-Y-Cu Bulk Metallic Glass by Mechanical Alloying and Hot Consolidation
Authors: P. Y. Lee;W. C. Liu;C. K. Lin;J. C. Huang
Contributors: NTOU:Institute of Materials Engineering
Keywords: Mechanicalalloying;Bulkmetallicglass;Supercooled liquid region;Mg-based alloys;Vacuum hot pressing
Date: 2007-03-25
Issue Date: 2011-10-20T08:06:29Z
Publisher: Materials Science and Engineering A
Abstract: Abstract:Mg45Y15Cu40 (numbers indicate at.%) metallicglass powders were prepared by the mechanicalalloying of pure Mg, Y, and Cu after 10 h of milling. The thermal stability of these Mg45Y15Cu40 amorphous powders was investigated using the differential scanning calorimeter (DSC). Tg, Tx, and ΔTx are 456, 491, and 35 K, respectively. The as-milled Mg45Y15Cu40 powders were then consolidated by vacuum hot pressing into disk compacts with a diameter and thickness of 10 and 1 mm, respectively. This yielded bulkMg45Y15Cu40metallicglass with nanocrystalline precipitates homogeneously embedded in a highly dense glassy matrix. The pressure applied during consolidation can enhance thermal stability and prolong the existence of amorphous phase within Mg45Y15Cu40 powders.
Relation: 449-451, pp.1095-1098
URI: http://ntour.ntou.edu.tw/handle/987654321/23520
Appears in Collections:[材料工程研究所] 期刊論文

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