| NiTi形状记忆合金基本驱动特性 |
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| 引用本文： | 崔立山 齐民. NiTi形状记忆合金基本驱动特性[J]. 材料科学与工艺, 1996, 4(3): 1-5 |
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| 作者姓名： | 崔立山 齐民 |
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| 作者单位： | 大连理工大学 |
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| 摘 要： | 研究了预应变ＮｉＴｉ形状记忆合金的基本驱动特性，结果表明，加热和冷却过程回复力存在滞后行为；卸载过程中应力与应变具有与加热、冷却过程相关的非线性关系；卸尖力随卸载应变速率增加而降低，此外研究了预应变ＮｉＴｉ合金丝产生回复力后对外应力的响应行为。
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| 关 键 词： | NiTi 形状记忆合金 驱动特性 回复力 |
Actuation Characteristics of NiTi Shape Memory Alloy |
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| Cui Lishan, Qi Min, Shi Ping, Chen Feixia, Yang Dazhi. Actuation Characteristics of NiTi Shape Memory Alloy[J]. Materials Science and Technology, 1996, 4(3): 1-5 |
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| Authors: | Cui Lishan Qi Min Shi Ping Chen Feixia Yang Dazhi |
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| Affiliation: | Da Lian University of Technology |
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| Abstract: | The actuation characteristics of NiTi wire was investigated.The experimental results show that there is a hysteresis between the reversion stresses on heating and cooling processes.The relationship between the unloading stress and strain is nonlinear,Which is related to the processes of heating and cooling.The unloading stress decreases with the increase of the rate of the unloading strain.In addition, the deformation behavior of NiTi wire existed reversion stress was examined. |
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| Keywords: | NiTi shape memory alloy reversion stress unloading stress unloading strain |
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