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memory alloy plates with nominal compositions (mole fraction) of 49.2% Ni and 50.8% Ti were used as the substrate material. The samples with dimensions of 40 mm×25 mm×5 mm were cut by electro... and ageing effects in Ni-Ti shape memory alloys used in biomedical applications [J]. Journal of Biomechanics, 1998, 31(S1): 135-141. [5] CHOI J, BOGDANSKI D, K?LLER M, ESENWEIN S A, M?LLER D, MUHR G, EPPLE M......
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arrest memory effect in Ni-Ti alloys[J]. Scripta Mater, 2005, 53: 875-879. [5] WANG ZG, ZU XT. Incomplete transformation induced multiple-step transformation in TiNi shape memory alloys[J]. Scripta... DSC study on temperature memory effect of NiTi shape memory alloy N. LIU, W. M. HUANG School of Mechanical and Aerospace Engineering, Nanyang Technological University, Singapore 639798 Received......
添加Co对Ti-Ni形状记忆合金组织和性能的影响 贺志荣1,刘曼倩1,蔡继峰1 (1.陕西理工学院,材料科学与工程学院,陕西,汉中,723003) 摘要:以400和600℃退火态Ti-49.8Ni和Ti-49.8Ni-1.0Co合金为对象,用示差扫描热分析仪,光学显微术,X射线衍射仪和拉伸试验研究了添加Co对退火态Ti-Ni形状记忆合金相变,组织和形状记忆行为的影响.结果表明,400℃退火...合金的组织呈纤维状,塑性较差;600℃退火态合金的组织呈等轴状,塑性良好.Ti-49.8Ni合金室温组成相为马氏体,呈形状记忆效应;Ti-49.8Ni-1.0Co合金的室温组成相为母相B2,呈超弹性特性.退火时间对Ti-Ni合金的组织和性能影响不大,合金的相变温度随退火时间延长缓慢升高.形变温度显著影响Ti-Ni合金的超弹性特性,随形变温度升高合金的超弹性应力增加,超弹性滞回面积减小. 关键词......
at% shape memory alloy was melted by an Nd-YAG laser. The Ti/Ni and Ti4+/Ti atomic concentration ratios at the surface were changed significantly. The Ni ion release rate of the laser melted surface...Surface Characterization of Laser Surface Melted NiTi Shape Memory Alloy in Hanks'' Solution MAN Hauchung1,YANG Xian-jin2,ZHU Sheng-li2,CUI Zhen-duo2 (1.Department of Industrial and Systems......
MARTENSITE AND REVERSE TRANSFORMATION IN PRESTRAINED TiNi SHAPE MEMORY ALLOY THIN FILM M.Z.Cao1,X.P.Liu1,R.Yang1 (1.Institute of Metal Research, The Chinese Academy of Sciences, Shenyang,110016, China) Abstract:The effect of pre-strain on phase transformation of TiNi shape memory alloy film was studied by differential scanning calorimeter measurement (DSC). Compared with un deformed TiNi film......
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Article ID: 1003-6326(2005)06-1328-05 Modeling of effects of matrix on actuation characteristics of embedded shape memory alloy wires CUI Xiao-long(崔晓龙)1, ZHENG Yan-jun(郑雁军)2, CUI...) Abstract: Effects of matrix properties on the actuation characteristics of embedded shape memory alloy wires were studied. The coefficient of thermal expansion and the modulus of matrix have significant......