Bulk Metallic Glass-Forming Region of Four Multicomponent Alloy Systems
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We have evaluated the predictive ability of a simple method combing the efficient cluster packing model of metallic glasses proposed by Miracle, chemical mixing enthalpy and the normalized configurational entropy Sconfig⁄R in rapidly locating the bulk metallic glass (BMG)-forming composition region, in four multicomponent alloy systems. It is shown that the BMG-forming regions are similar in the topologically and chemically equivalent La-Al-Co and Ce-Al-Co alloy systems. However, in the topologically equivalent Zr-Ti-Cu-Ni and Zr-Ti-Al-Cu-Ni alloy systems, the BMG-forming regions are quite different due to the difference in chemical bonding between constituents. BMG formation is most probably a compromise between topological and chemical effects. This method could be a new approach to rapidly locate BMG-forming composition region in multicomponent alloy systems, in which eutectic compositions are difficult to be measured in experiments.
収録刊行物
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- MATERIALS TRANSACTIONS
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MATERIALS TRANSACTIONS 50 (8), 2127a-2127a, 2009
公益社団法人 日本金属学会
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詳細情報 詳細情報について
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- CRID
- 1390001204250166656
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- NII論文ID
- 10024815382
- 130004454268
- 130004824442
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- NII書誌ID
- AA1151294X
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- ISSN
- 13475320
- 13459678
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- NDL書誌ID
- 10236754
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- 本文言語コード
- en
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- データソース種別
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- JaLC
- NDL
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- 使用不可