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Please use this identifier to cite or link to this item: http://ntour.ntou.edu.tw:8080/ir/handle/987654321/23469

Title: Bulk nano-crystalline alloys
Authors: T.-S. Chin;C.Y. Lin;M.C. Lee;R.T. Huang;S.M. Huang
Contributors: NTOU:Institute of Materials Engineering
Date: 2009-01
Issue Date: 2011-10-20T08:06:20Z
Publisher: Materials Today
Abstract: Abstract:Bulk metallic glasses (BMGs) Fe–B–Y–Nb–Cu, 2 mm in diameter, were successfully annealed to become bulk nano-crystalline alloys (BNCAs) with α-Fe crystallite 11–13 nm in size. A ‘crystallization-and-stop’ model was proposed to explain this behavior. Following this model, alloy-design criteria were elucidated and confirmed successful on another Fe-based BMG Fe–B–Si–Nb–Cu, 1 mm in diameter, with crystallite sizes 10–40 nm. It was concluded that BNCAs can be designed in general by the proposed criteria.
Bulk nano-crystalline alloys (BNCAs) have attracted much attention due to their interesting mechanical and magnetic properties when compared with their fully amorphous and fully crystalline counterparts. Taking as one example, nano-crystallized Bulk Metallic Glasses (BMGs) have been found to possess high ductility comparing with the stiff and brittle precursor BMGs
Relation: 12(1-2), pp.34-39
URI: http://ntour.ntou.edu.tw/handle/987654321/23469
Appears in Collections:[材料工程研究所] 期刊論文

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