Study of Snap-acting Two Way Shape Memory Effect in NiTi Alloy

Study of Snap-acting Two Way Shape Memory Effect in NiTi Alloy

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摘要 Snap-acting transformation and snap-acting two way shape memory (TWSM) effect have been obtained in NiTi alloy using the constrained effect of stress on the driving force of TWSM element. The TWSM strain of the snap-acting element made of Ni51Ti49 alloy finishes abruptly at certain temperature without any additional mechanism, within an interval less than 1 ms. A thermodynamic model is presented to account for these observations. Snap-acting transformation and snap-acting two way shape memory (TWSM) effect have been obtained in NiTi alloy using the constrained effect of stress on the driving force of TWSM element. The TWSM strain of the snap-acting element made of Ni51Ti49 alloy finishes abruptly at certain temperature without any additional mechanism, within an interval less than 1 ms. A thermodynamic model is presented to account for these observations.

作者 Lin, Guangming Zhang, Jinxiu Lou, Laizhong

机构地区 Zhongshan Univ

出处《Rare Metals》 SCIE EI CAS CSCD 1989年第3期38-41,共4页 稀有金属（英文版）

基金 The project is supported by National Natural Science Fundation of China

关键词 Materials With Memory THERMODYNAMICS Nickel Metallography MARTENSITE THERMODYNAMICS Mathematical Models THERMOELASTICITY Materials With Memory Thermodynamics Nickel Metallography Martensite Thermodynamics Mathematical Models Thermoelasticity

分类号 TG146.4 [金属学及工艺—金属材料]

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1LIN Guangming HUANG Yuanshi ZHANG Jinxiu Zhongshan University,Guangzhou,China LIN Guangming,Associate Professor,Dept.of Physics,Zhongshan University,Guangzhou 510275,China.TRANSFORMATION CHARACTERISTIC OF TWO WAY SHAPE MEMORY MATERIAL CONSTRAINED BY STRESS[J].Acta Metallurgica Sinica(English Letters),1990,3(3):164-169.
2LIN Guangming CHENXingyuan ZHANG Jinxiu Material Science Research Institute,Zhongshan University,Guangzhou,China WANG Yurui Metallurgy Research Institute of Beijing Iron and Steel Company,Beijing,China LIN Guangming Associate Professor,Department of Physics,Zhongshan University,Guangzhou 510275,China.DESIGN CONCEPT FOR SNAP-ACTING TWO-WAY SHAPE MEMORY DEVICES[J].Acta Metallurgica Sinica(English Letters),1990,3(2):142-144.
3LUO Laizhong ZHANG Jinxiu LIN Guangming Zhongshan University,Guangzhou,510275,China Lecturer,Dept.of Physics and Institute of Material Science,Zhongshan University,Guangzhou,510275,China.SNAP-ACTION PHASE TRANSFORMATION IN TWO-WAY SHAPE MEMORY Ni-Ti ALLOY[J].Acta Metallurgica Sinica(English Letters),1989,2(5):380-382.
4Won-Wook Park,Chul-Jin Choi and Bong-Sun You (Dept. of Materials Processing, Korea Institute of Machinery and Metals, 66 Sangnam-Dong,Changwon, Kyungnam, Korea 641-010)(To whom correspondence should be addressed).Effects of Additional Elements on Microstructure and Precipitation Behaviour in Rapidly Solidified Al-Ti Base Alloys[J].Journal of Materials Science & Technology,1996,12(3):195-198. 被引量：2
5缪卫东,米绪军,王新录,栗华矗.Electropolishing parameters of NiTi alloy[J].中国有色金属学会会刊：英文版,2006,16(B01):130-132.
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7林光明,黄元士,张进修.应力制约双程形状记忆材料的相交特性[J].金属学报,1989,25(6).
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Rare Metals

1989年第3期

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Study of Snap-acting Two Way Shape Memory Effect in NiTi Alloy

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