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主要由奥氏体NiTi相(B2)和单斜马氏体NiTi相(B19'')组成.循环加载-卸载实验结果表明,该多孔材料能表现出一定的形状记忆效应,而且形状记忆效应随孔隙率的增加而降低. 关键词:多孔NiTi形状记忆合金; 粉末冶金法; 孔结构; 形状记忆性能; porous NiTi shape memory alloy; powder metallurgy; pore structure; shape-memory behavior; [全文内容正在添加中] ......
Trans. Nonferrous Met. Soc. China 23(2013) 3658-3667 Effect of solution treatment and aging on microstructural evolution and mechanical behavior of NiTi shape memory alloy Shu-yong JIANG1, Ya-nan... Engineering University, Harbin 150001, China Received 11 January 2013; accepted 9 July 2013 Abstract: As-received nickel-titanium (NiTi) shape memory alloy with a nominal composition of Ni50.9Ti49.1 (mole......
and Coatings Technology,2001, 148(1): 55-60. [16] ALLAFI J K, REN X, EGGELER G. The mechanism of multistage martensitic transformations in aged Ni-rich NiTi shape memory alloys [J]. Acta Materialia,2002...Trans. Nonferrous Met. Soc. China 25(2015) 3315-3322 In situ laser deposition of NiTi intermetallics for corrosion improvement of Ti-6Al-4V alloy M. N. MOKGALAKA1,2, A. P. I. POPOOLA1, S. L......
://doi.org/10.1007/s11771-021-4677-y. 1 Introduction The NiTi shape memory alloy, as a considerably fascinating material characterized by a shape memory effect (SME) and superelasticity (SE), has... relative density of the as-build NiTi alloy and laser energy density. SAEDI et al [13, 16, 17] systematically studied the microstructure, transformation temperatures and shape memory response of SLM printed......
Trans. Nonferrous Met. Soc. China 23(2013) 2021-2028 Equal channel angular extrusion of NiTi shape memory alloy tube Shu-yong JIANG1, Ya-nan ZHAO1, Yan-qiu ZHANG1, Ming TANG1, Chun-feng LI2 1...; accepted 18 December 2012 Abstract: As a new attempt, equal channel angular extrusion (ECAE) of nickel-titanium shape memory alloy (NiTi SMA) tube was investigated by means of process experiment......
Influence of Heating Rate on Double Reversible Transformation in CuZnAlMnNi Shape Memory Alloy 蒋利军1,詹锋1,陈异1,黄倬1 (1.北京有色金属研究总院,北京 100088) 摘要:The influence of heating rate on double reversible transformation in CuZnA1MnNi shape memory alloy was investigated by differential scanning calorimetry. It was found that rapid heating inhibits X→M transformation but is fa vorable to the reverse......
, BORNAPOUR M, RAYAGAN S. Effect of cooling rate on the phase transformation behavior and mechanical properties of Ni-rich NiTi shape memory alloy[J]. Journal of Alloys and Compounds, 2009, 469(1/2...逐渐向晶界处扩散生长直至马氏体相变结束.而升温过程中奥氏体相生长机制与之相反,奥氏体相形核点最初较多会出现在晶界处,并且随着温度的升高逐渐向晶粒内部聚集生长直至奥氏体相变结束. REFERENCES [1] MAY H, ZHANG Q C, ZHANG D Y, SCARPA F, LIU B. The mechanics of shape memory alloy metal rubber[J......
Effect of chemical component on shape memory effect of Fe-Mn-Si-Ni-C-RE shape memory alloySI Naichao, JIA Zhihong, and QI Longbiao摘 要:<正> Effect of chemical component on shape memory effect (SME) of Fe-Mn-Si-Ni-C-RE shape memory alloys was studied by bent measurement, thermal cycle training, SEM etc. Results of study indicate that the alloys......
Effect of chemical component on shape memory effect of Fe-Mn-Si-Ni-C-RE shape memory alloyNaichao Si, Zhihong Jia, and Longbiao QiSchool of Material Science and Engineering, Jiangsu University, Zhenjiang 212013, China摘 要:<正> Effect of chemical component on shape memory effect (SME) of Fe-Mn-Si-Ni-C-RE shape memory alloys was studied by bent......
NiTi形状记忆合金表面氧化膜的成分和结构 朱胜利1,崔振铎1,杨贤金1,何菲2 (1.天津大学材料科学与工程学院,天津,300072;2.天津大学一碳化工国家重点实验室,天津,300072) 摘要:用AES和XPS研究了NiTi合金表面氧化膜的成分和结构.结果表明,NiTi合金表面主要元素有C,O,Ti,Ni等;氧化膜的最外层由TiO2和TiO及少量的Ni组成,TiO和TiO2的相对含量分别为 30.32%,69.68%;表面氧化膜下存在一层富Ni层.随表面距离的增加,TiO2和TiO的含量逐渐减少,Ti的含量增加,而Ni一直没有价态的变化. 关键词:NiTi合金; 氧化膜; XPS; AES; [全文内容正在添加中] ......
