通过电弧炉冶炼了在Ni56.5Fe17Ga26.5合金中添加Pd的合金试样,利用SEM,XRD,TEM,DSC,TG和万能材料试验机研究了Pd对Ni56.5Fe17Ga26.5合金马氏体相变和力学性能的影响.结果表明,添加Pd促使合金中形成较多的γ相,并且使其球化,提高了合金的塑性.通过DSC和TG测量了马氏体相变温度和居里温度,添加Pd使马氏体相变温度略有升高,但奥氏体相居里温度基本保持不变.运用XRD和TEM观察了合金的微观结构,研究发现合金为14M调制结构马氏体.
参考文献
| [1] | A. Sozinov;A. A. Likhachev;N. Lanska;K. Ullakko .Giant magnetic-field-induced strain in NiMnGa seven-layered martensitic phase[J].Applied physics letters,2002(10):1746-1748. |
| [2] | Liu J;Xie H;Huo Y et al.[J].Journal of Alloys and Compounds,2006,420(1-2):145-157. |
| [3] | J. Dadda;H.J. Maier;I. Karaman .Cyclic deformation and austenite stabilization in Co_(35)Ni_(35)Al_(30) single crystalline high-temperature shape memory alloys[J].Acta materialia,2009(20):6123-6134. |
| [4] | Hernando, B;Llamazares, JLS;Santos, JD;Sanchez, ML;Escoda, L;Sunol, JJ;Varga, R;Garcia, C;Gonzalez, J .Grain oriented NiMnSn and NiMnIn Heusler alloys ribbons produced by melt spinning: Martensitic transformation and magnetic properties[J].Journal of Magnetism and Magnetic Materials,2009(7):763-768. |
| [5] | Vokoun D;Hu C T;Kafka V .[J].Journal of Magnetism and Magnetic Materials,2003,264(2-3):169-174. |
| [6] | Inoue K;Shima H;Fujita A et al.[J].Applied Physics Letters,2006,88(10):102503-102503. |
| [7] | Morito H;Oikawa K;Fujita A;Fukamichi K;Kainuma R;Ishida K .Enhancement of magnetic-field-induced strain in Ni-Fe-Ga-Co Heusler alloy[J].Scripta materialia,2005(11):1237-1240. |
| [8] | Omori T;Kamiya N;Sutou Y et al.[J].Materials Science and Engineering A:Structural Materials Properties Microstructure and Processing,2004,378(1-2):403-408. |
| [9] | Y.Q.Huo;J.G.Li .Microstructure and martensitic transformation of Ni-Fe-Ga-Si ferromagnetic shape memory alloys[J].Journal of Alloys and Compounds,2009(2):230-233. |
| [10] | 余慧茹,李则河,王海波,蔡伟.Ni56Fe17Ga27-xCox合金的组织结构与马氏体相变[J].功能材料,2006(12):1876-1878. |
| [11] | 罗丰华,陈嘉砚,及川胜男,石田清仁.Ni52Ga28Fe20-xCOx合金的马氏体相变和磁性转变[J].金属学报,2006(01):93-98. |
| [12] | Yu H J;Jiang X D;Fu H et al.[J].Journal of Alloys and Compounds,2010,490(1-2):325-330. |
| [13] | Zheng H X;Liu J;Xia M X et al.[J].Journal of Alloys and Compounds,2005,387(1-2):255-258. |
| [14] | Corneliu Craciunescu;Yoichi Kishi;T. A. Lograsso;Manfred Wuttig .Martensitic transformation in Co_2NiGa ferromagnetic shape memory alloys[J].Scripta materialia,2002(4):285-288. |
| [15] | Jin X.;Marioni M.;Bono D.;Allen SM.;O'Handley RC.;Hsu TY. .Empirical mapping of Ni-Mn-Ga properties with composition and valence electron concentration[J].Journal of Applied Physics,2002(10 Pt.3):8222-8224. |
| [16] | Tian B;Chen F;Liu Y et al.[J].Materials Letters,2008,62(17-18):2851-2854. |
| [17] | Yan Li;Yan Xin;Chengbao Jiang .Shape memory effect of grain refined Ni_(54)Mn_(25)Ga_(21) alloy with high transformation temperature[J].Scripta materialia,2004(9):849-852. |
| [18] | H.X. Zheng;M.X. Xia;J. Liu .Martensitic transformation of highly undercooled Ni-Fe-Ga magnetic shape memory alloys[J].Journal of Alloys and Compounds: An Interdisciplinary Journal of Materials Science and Solid-state Chemistry and Physics,2005(2):172-176. |
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