| TWO KINDS OF VARIANT IN SHAPE MEMORY MATERIAL |
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| 引用本文： | Lin,Guangming Lai,J L Huan,Yuanshi Zhongshan University,Guangzhou 510275,China. TWO KINDS OF VARIANT IN SHAPE MEMORY MATERIAL[J]. 中国有色金属学会会刊, 1993, 0(2) |
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| 作者姓名： | Lin Guangming Lai J L Huan Yuanshi Zhongshan University Guangzhou 510275 China |
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| 作者单位： | Lin，Guangming Lai，J L Huan，Yuanshi Zhongshan University，Guangzhou 510275，China |
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| 摘 要： | In shape memory materials,that have been trained to have a two way shape memory effect(TWSM),themartensitic variants are classified into two groups,i.e.,preferentially oriented variants and self-accommodatingvariants.Applied stress may promote or constrain the transition of preferentially oriented variants and so changetransformation temperatures but has no essential effect on self-accommodating variants.According to the pointof view mentioned above,some experimental phenomena during thermocycling of a TWSM device may be ex-plained,such as the absence of synchronization between the plot of resistance change.temperature and the plotof memory strain vs.temperature.
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TWO KINDS OF VARIANT IN SHAPE MEMORY MATERIAL |
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| Lin,Guangming Lai,J L Huan,Yuanshi Zhongshan University,Guangzhou ,China. TWO KINDS OF VARIANT IN SHAPE MEMORY MATERIAL[J]. Transactions of Nonferrous Metals Society of China, 1993, 0(2) |
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| Authors: | Lin Guangming Lai J L Huan Yuanshi Zhongshan University Guangzhou China |
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| Affiliation: | Lin,Guangming Lai,J L Huan,Yuanshi Zhongshan University,Guangzhou 510275,China |
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| Abstract: | In shape memory materials,that have been trained to have a two way shape memory effect(TWSM),the martensitic variants are classified into two groups,i.e.,preferentially oriented variants and self-accommodating variants.Applied stress may promote or constrain the transition of preferentially oriented variants and so change transformation temperatures but has no essential effect on self-accommodating variants.According to the point of view mentioned above,some experimental phenomena during thermocycling of a TWSM device may be ex- plained,such as the absence of synchronization between the plot of resistance change.temperature and the plot of memory strain vs.temperature. |
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| Keywords: | shape memory alloy martensitic variant transformation constraint heating phase interface |
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