Effect of Minor Alloying Substitution on Glass-Forming Ability and Crystallization Behavior of a Ni₅₇Zr₂₂X₈Nb₈Al₅ (X = Ti, Cu) Alloy Synthesized by Mechanical Alloying
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- Yang Chao
- National Engineering Research Center of Near-net-shape Forming for Metallic Materials, South China University of Technology
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- Zeng Jin
- National Engineering Research Center of Near-net-shape Forming for Metallic Materials, South China University of Technology
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- Guo Hao
- National Engineering Research Center of Near-net-shape Forming for Metallic Materials, South China University of Technology
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- Qu ShengGuan
- National Engineering Research Center of Near-net-shape Forming for Metallic Materials, South China University of Technology
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- Li XiaoQiang
- National Engineering Research Center of Near-net-shape Forming for Metallic Materials, South China University of Technology
書誌事項
- タイトル別名
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- Effect of Minor Alloying Substitution on Glass-Forming Ability and Crystallization Behavior of a Ni<sub>57</sub>Zr<sub>22</sub>X<sub>8</sub>Nb<sub>8</sub>Al<sub>5</sub> (X = Ti, Cu) Alloy Synthesized by Mechanical Alloying
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説明
Ni57Zr22X8Nb8Al5 (X = Ti, Cu) metallic glass (MG) and nanocomposite powders were synthesized by mechanical alloying. Outstanding differences in glass-forming ability (GFA), thermal property, particle size and crystallization behavior were found for the two synthesized alloy powders with different alloying substitutions. The Ti-containing MG powder exhibits better GFA, higher thermal stability, lower enthalpy of crystallization and smaller particle size compared with the Cu-containing nanocomposite powder, respectively. Meanwhile, the crystallization of the Ti-containing MG powder is governed by typical volume diffusion-controlled three-dimensional growth. The better GFA for the Ti-containing alloy system could be explained by appropriate atomic-size mismatch and large negative heat of mixing among main constituent elements. The higher enthalpy of crystallization for the Cu-containing nanocomposite powder leads to the lower thermal stability and larger particle size of the powder than Ti-containing MG powder.
収録刊行物
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- MATERIALS TRANSACTIONS
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MATERIALS TRANSACTIONS 54 (9), 1844-1850, 2013
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
- 1390282679226377984
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- NII論文ID
- 10031194681
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- NII書誌ID
- AA1151294X
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- COI
- 1:CAS:528:DC%2BC3sXhslejt7zO
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- ISSN
- 13475320
- 13459678
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- NDL書誌ID
- 024795627
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- 本文言語コード
- en
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