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|Title: ||Synthesis and Characterization of Bulk Amorphous/Amorphous Composite Alloys through Powder Metallurgy Route|
|Authors: ||Hong-Ming Lin;Yu-Wei Lin;Pee-Yew Lee|
|Contributors: ||NTOU:Institute of Materials Engineering|
|Issue Date: ||2011-10-20T08:06:50Z
|Publisher: ||Journal of Materials Science|
|Abstract: ||Abstract:In the present study, amorphous Ni60Nb20Zr20 and Ti50Cu28Ni15Sn7 alloy powders were synthesized separately using a mechanical alloying (MA) technique. The dualamorphous-phased (Ti50Cu28Ni15Sn7)100-x(Ni60Nb20Zr20)x (x = 0, 10, 20, and 30 vol%) powders were prepared by mixing the corresponding amorphous powders. The dualamorphous-phased powders were then consolidated into bulk amorphous/amorphous composite (BA/AC) alloy discs. The amorphization status of as-prepared powders and bulkBA/AC
composite discs was confirmed by X-ray diffraction (XRD) and transmission electron microscopy (TEM). The microstructure of the BA/AC discs showed that the Ni60Nb20Zr20 phase is distributed homogeneously within the Ti50Cu28 Ni15Sn7 matrix. The (Ti50Cu28Ni15Sn7)70(Ni60Nb20Zr20)30 BA/AC disc exhibited a relative density of 96.6% and its Vickers microhardness was 726 kg/mm2.
|Relation: ||43(9), pp.3118–3123|
|Appears in Collections:||[材料工程研究所] 期刊論文|
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