研究了一种具有低弹性模量(约66 MPa)形状记忆合金Ti-9.5Mo-4Nb-2V-3Al的力学性能与形状记忆效应(SME).研究结果表明,固溶处理后Ti-9.5Mo-4Nb-2V-3Al合金拉伸过程中伴随发生应力诱发马氏体转变,马氏体组织呈片层状.拉伸变形后的合金试样经223℃保温处理5 min后将发生马氏体相的逆转变,合金表现出完全非线性恢复特征,其完全恢复应变量为2.2%.对马氏体相逆转变过程分别采用了X射线衍射仪、差热分析及四点电阻法进行了研究,Ti-9.5Mo-4Nb-2V-3Al合金的马氏体逆转变开始温度Ms为92℃,转变结束温度Mf为105℃.
参考文献
[1] | 马嘉丽,朱明,缪卫东,寇亚明,陈增胜.镍钛合金血管支架力学性能测定[J].金属功能材料,2013(03):41-43. |
[2] | Hee Young Kim;Yoshinori Ohmatsu;Jae Il Kim .Mechanical Properties and Shape Memory Behavior of Ti-Mo-Ga Alloys[J].Materials transactions,2004(4):1090-1095. |
[3] | Takashi Maeshima;Minoru Nishida .Shape Memory Properties of Biomedical Ti-Mo-Ag and Ti-Mo-Sn Alloys[J].Materials transactions,2004(4):1096-1100. |
[4] | Nilson T.C. Oliveira;Giorgia Aleixo;Rubens Caram .Development of Ti-Mo alloys for biomedical applications: Microstructure and electrochemical characterization[J].Materials Science & Engineering, A. Structural Materials: Properties, Misrostructure and Processing,2007(0):727-731. |
[5] | Ho WF;Ju CP;Lin JH .Structure and properties of cast binary Ti-Mo alloys.[J].Biomaterials,1999(22):2115-2122. |
[6] | Takashi Maeshima;Minoru Nishida .Shape Memory and Mechanical Properties of Biomedical Ti-Sc-Mo Alloys[J].Materials transactions,2004(4):1101-1105. |
[7] | Tomonari Inamura;Yusuke Fukui;Hideki Hosoda;Kenji Wakashima;Shuichi Miyazaki .Mechanical properties of Ti-Nb biomedical shape memory alloys containing Ge or Ga[J].Materials science & engineering, C. Biomimetic and supramolecular systems,2005(3):426-432. |
[8] | Lin DJ;Chuang CC;Lin JHC;Lee JW;Ju CP;Yin HS .Bone formation at the surface of low modulus Ti-7.5Mo implants in rabbit femur[J].Biomaterials,2007(16):2582-2589. |
[9] | S. Nag;R. Banerjee;H.L. Fraser .Microstructural evolution and strengthening mechanisms in Ti-Nb-Zr-Ta, Ti-Mo-Zr-Fe and Ti-15Mo biocompatible alloys[J].Materials science & engineering, C. Biomimetic and supramolecular systems,2005(3):357-362. |
[10] | Lin DJ;Lin JH;Ju CP .Structure and properties of Ti-7.5Mo-xFe alloys.[J].Biomaterials,2002(8):1723-1730. |
[11] | D. M. Gordin;T. Gloriant;Gh. Nemtoi .Synthesis, structure and electrochemical behavior of a beta Ti-12Mo-5Ta alloy as new biomaterial[J].Materials Letters,2005(23):2959-2964. |
[12] | Banerjee R.;Nag S.;Stechschulte J.;Fraser HL. .Strengthening mechanisms in Ti-Nb-Zr-Ta and Ti-Mo-Zr-Fe orthopaedic alloys[J].Biomaterials,2004(17):3413-3419. |
[13] | T. Zhou;M. Aindow;S. P. Alpay;M. J. Blackburn;M. H. Wu .Pseudo-elastic deformation behavior in a Ti/Mo-based alloy[J].Scripta materialia,2004(3):343-348. |
[14] | Zhang LC;Zhou T;Alpay SP;Aindow M;Wu MH .Origin of pseudoelastic behavior in Ti-Mo-based alloys[J].Applied physics letters,2005(24):41909-1-41909-3-0. |
[15] | Majumdar, P;Singh, SB;Chakraborty, M .Elastic modulus of biomedical titanium alloys by nano-indentation and ultrasonic techniques - A comparative study[J].Materials Science and Engineering. A, Structural Materials: Properties, Microstructure and Processing,2008(1/2):419-425. |
[16] | Kim JI;Kim HY;Inamura T;Hosoda H;Miyazaki S .Shape memory characteristics of Ti-22Nb-(2-8)Zr(at.%) biomedical alloys[J].Materials Science & Engineering, A. Structural Materials: Properties, Misrostructure and Processing,2005(1/2):334-339. |
[17] | Prima F.;Vermaut P. .#omega# Precipitation in a Beta Metastable Titanium Alloy, Resistometric Study[J].Materials transactions,2000(8):1092-109. |
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