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Please use this identifier to cite or link to this item: http://ntour.ntou.edu.tw:8080/ir/handle/987654321/23633

Title: Synthesis of Ti-based Bulk Metallic Glass Composites Containing WC Particles
Authors: I-Kuan Jeng;Pee-Yew Lee
Contributors: NTOU:Institute of Materials Engineering
國立臺灣海洋大學:材料工程研究所
Keywords: mechanical alloying;bulk metallic glass composite;supercooled liquid region;Ti-based alloys;nanoparticles
Date: 2005
Issue Date: 2011-10-20T08:06:52Z
Publisher: Materials Transaction
Abstract: Abstract:The preparation of Ti50Cu28Ni15Sn7 metallic glass composite powders was accomplished by mechanical alloying of pure Ti, Cu, Ni, Sn
and WC for 18 ks. In the ball-milled composites, initial WC particles were homogeneously dispersed in the Ti-based alloy glassy matrix. The
metallic glass composite powders exhibited a large supercooled liquid region just below the crystallization temperature. The presence of WC
nanoparticles did not change the glass formation ability of amorphous Ti50Cu28Ni15Sn7 powders. The as-milled Ti50Cu28Ni15Sn7 and composite
powders were consolidated by vacuum hot pressing into compact discs with a diameter and thickness of 10 and 4 mm, respectively.
Microstructural analysis showed that the bulk metallic glass composite contained submicronWCparticles homogeneously embedded in a highly
dense nanocrystalline/amorphous matrix. Incorporation of WC into consolidated composite compacts resulted in a significant increase in
hardness.
Relation: 46(12), pp.2963-2967
URI: http://ntour.ntou.edu.tw/handle/987654321/23633
Appears in Collections:[材料工程研究所] 期刊論文

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