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atoms transfer from positionⅠto position Ⅲ when temperature goes up to 160 ℃. Key words: Cu-Zn-Al shape memory alloy; martensite; atom exchange 1 Introduction Cu-Zn-Al alloys as well as Ni-Ti alloys are known to exhibit the shape memory effect, being associated with a thermoelastic martensite transformation and its reversion[1-4]. Cu-Zn-Al alloys are less stable than the Ni-Ti alloys above room......
Measurements of Stress-dependence of Hysteresis in a NiTi Shape Memory Alloy徐惠彬,B.Hinz,符森林摘 要:<正> 1.IntroductionHysteresis is one of the important...].The hysteresisbehaviour is expected in some applicationsof shape memory alloys,as example,forclamps and splints in the medical field [3].On the other hand,the hysteresis is关键词:......
alloys have R-phase transformation stages. References [1] OTSUKA K, REN X. Physical metallurgy of Ti-Ni-based shape memory alloys [J]. Progress in Materials Science, 2005, 50: 511-678. [2] VALIEV R Z... on the microstructure and phase transformation behavior of Ni-Ti-Fe shape memory alloys [J]. Materials Science and Engineering A, 2008, 440-482: 635-638. [12] DUARTE L I, KLOTZ U E, LEINENBACH C, PALM M, STEIN......
Microstructure and martensitic transformation behavior of Ni56-xMn25FexGa19 shape memory alloysYan Xin1,Liang Chai21. School of Energy, Power and Mechanical Engineering, North China Electric Power..., mechanical and shape memory properties of Ni56-x Mn25 Fex Ga19(x = 0, 2, 4, 6, 8) shape memory alloys were investigated using optical microscopy(OM), X-ray diffraction analysis(XRD), differential scanning......
Engineering, South China University of Technology摘 要:It is a challenge to develop complex-shaped Ni Ti shape memory alloy parts by traditional processing methods... of the reported maximum result(■). Besides, the SLM-Ni Ti part with complex geometry displays a shape memory recovery of 99% under compressive deformation of 50%.关键词:......
Effect of Annealing Temperature on the Shape Memory Properties of Cold-Rolled Dual-Phase Ni-Mn-Ga-Gd AlloyXin Zhang1,Qing-Suo Liu1,Xian-Shun Zeng1,Jie-He Sui2,Wei Cai2,Ai-Lian Liu31. School... dual-phase Ni58Mn25Ga16.9Gd0.1 high-temperature shape memory alloy were investigated.The results showed that the SME can be improved by appropriate annealing.SME of 6.0%and recovery ratio of 98%were......
id="ChDivSummary" name="ChDivSummary">Ti Ni alloys, with their unique shape memory effects and super elastic properties, occupy an indispensable place in the family of metallic biomaterials...Nanocrystalline Ti49.2Ni50.8 shape memory alloy as orthopaedic implant material with better performanceH.F.Li1,F.L.Nie1,Y.F.Zheng1,Y.Cheng2,S.C.Wei3,R.Z.Valiev4,51. Department of Materials Science......
Microfabrication and Performance of Annealed NiTi Shape Memory Thin Films by Sputtering for Microdevice Applications GONG Feng-fei1 (1.Physics Dept., East China Normal University, Shanghai 200062, China) 摘要:The microfabrication and performance NiTi shape memory thin films for microdevice applications were studied by microfabrication processes, which were compatible with those......
on the shape memory behavior and transformation temperatures of a Ni50.2Ti49.8 alloy under a constant applied stress of 300 MPa were investigated. It is believed that thermomechanical cycling induces...Effects of thermomechanical cycling on the shape memory behavior and transformation temperatures of a Ni50.2Ti49.8 alloyLI Yanfeng, MI Xujun, GAO Baodong, and TAN Ji State Key Laboratory......
