Influence of temperature rate on transitory internal friction during reverse martensitic transformation for Ti_(50)Ni_(27)Cu_(23) alloy
查看参考文献16篇
文摘
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Internal friction (IF) spectra during reverse martensitic transformation from 35 to 135℃ at different temperature rates of 0.5, 0.75, and 1℃/min for Ti_(50)Ni_(27)Cu_(23) shape memory alloy (SMA) samples were measured with a dynamic mechanical analyzer, respectively. The IF spectra were characterized by IF peak increasing progressively and peak shifting toward high temperature with an increase in temperature rate. An iterative approach was used to calculate the precise intrinsic and approximate transitory IF contributions to the normal IF spectrum. The quantitatively analyzed results indicate that the transitory IF of this alloy is nonlinearly dependent on the temperature rate and obeys a power law with a power coefficient of 0.55. The predicted and experimental IF spectra at different temperature rates of 0.75 and 1℃/min agree well with each other, respectively. |
来源
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Rare Metals
,2010,29(3):308-311 【核心库】
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DOI
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10.1007/s12598-010-0054-y
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关键词
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internal friction
;
shape memory alloy
;
TiNiCu alloy
;
temperature rate
;
reverse martensitic transformation
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地址
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School of Materials Science and Engineering, Shenyang Ligong University, Shenyang, 110159
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语种
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英文 |
文献类型
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研究性论文 |
ISSN
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1001-0521 |
学科
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金属学与金属工艺 |
文献收藏号
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CSCD:3892538
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