Transformation behavior in near-equiatomic Ti-Pd shape memory alloys 等原子比近傍のTi-Pd形状記憶合金の相変態
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著者
書誌事項
- タイトル
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Transformation behavior in near-equiatomic Ti-Pd shape memory alloys
- タイトル別名
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等原子比近傍のTi-Pd形状記憶合金の相変態
- 著者名
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Solomon, Virgil Constantin
- 著者別名
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ソロモン, ビリジル C
- 学位授与大学
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熊本大学
- 取得学位
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博士 (学術)
- 学位授与番号
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甲第111号
- 学位授与年月日
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2002-03-22
注記・抄録
博士論文
application/pdf
学位論文(Thesis)
In Ti-rich alloys martensitic transformation was found to take place in two successive steps, while in Pd-rich alloy martensitic transformation occurs in only one step as indicated by the pairs of endothermic-exothermic peaks on DSC curves of those alloys. The successive martensitic transformation behavior is closely related to the nucleation and growth of fine Ti2Pd precipitates (Clib-type structure) and its mechanism could be explained as follows. The first step represents the reverse martensitic transformation of the TiPd matrix and the second one is due to the reverse martensitic transformation in the local neighboring areas of the precipitates where Pd concentration is higher than that in matrix.