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金属学报  2013 

NiTi合金中马氏体相变失稳与局部化的原位多场研究

DOI: 10.3724/SP.J.1037.2012.00479, PP. 17-25

Keywords: 形状记忆合金,马氏体相变,材料失稳,数字图像相关(DIC)

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Abstract:

采用数字图像相关(DIC)方法原位测定了NiTi形状记忆合金薄带在单轴拉伸下变形时的应变场,采用红外热成像法(IR)原位测定其温度场,并定量获得了单轴拉伸加载-卸载条件下马氏体带局部化的全场应变与温度信息.同时研究了相变带的形核、扩展、合并、缩减、分裂及消失等过程中相变带内和带外应变场、温度场、厚度场及折曲角场的变化规律.结果表明,相变应变主要集中在相变带内部,而带外应变量很小,温度场和厚度场变化主要集中在相界面移动的前端,折曲角场变化集中在相变前端且带内分布不均匀.

 References

[1]  Zhao L C, Cai W, Zheng Y F.Shape Memory Effect andSuperelasticity in Alloys. Beijing: National Defense Industry Press, 2002: 5(赵连城, 蔡伟, 郑玉峰. 合金的形状记忆效应与超弹性. 北京: 国防工业出版社, 2002: 5)
[2]  Otsuka K, Wayman C M, translated by Zhang C C, SuJ C.Shape Memory Materials. Shanghai: Second Military Medical University Press, 2003: 30(Otsuka K, Wayman C M著, 张春才, 苏佳灿译. 形状记忆材料. 上海: 第二军医大学出版社, 2003: 30)
[3]  Otsuka K, Wayman C M.Shape Memory Materials. Cambridge: Cambridge University Press, 1998: 20
[4]  Shaw J A, Kyriakides S.Acta Mater, 1997; 45: 683
[5]  Li Z Q, Sun Q P.Int J Plast, 2002; 18: 1481
[6]  Sittner P, Liu Y, Novak V.J Mech Phys Solids, 2005; 53: 1719
[7]  Brinson L C, Schmidt I, Lammering R.J Mech Phys Solids, 2004; 52: 1549
[8]  Daly S, Ravichandran G, Bhattacharya K.Acta Mater, 2007; 55: 3593
[9]  Daly S, Miller A, Ravichandran G, Bhattacharya K.Acta Mater, 2007; 55: 6322
[10]  Sutton M A, Orteu J J, Schreier H W.Image Correlation For Shape Motion And Deformation Measurements.New York: Springer, 2009: 36
[11]  Zhao J Q, Zeng P, Lei L P, Ma Y.Opt Laser Eng, 2012; 50: 473
[12]  Zhao J Q, Zeng P, Lei L P, Du H F, He W B, Liu Y, Xu Y J.Opt Laser Eng, 2012; 50: 1662
[13]  Zhao J Q.PhD Thesis, Tsinghua University, 2012(赵加清. 清华大学博士论文, 北京, 2012)
[14]  Reedlunn B, Daly S, Hector L, Zavattieri P, Shaw J.Exp Tech, 2011; 35: 1
[15]  Chu T C, Ranson W F, Sutton M A.Exp Mech, 1985; 25: 232
[16]  Sutton M A, McNeill S R, Helm J D.Photo-Mechanics, 2000; 77: 323
[17]  Churchill C B, Shaw J A, Iadicola M A.Exp Tech, 2010; 34: 63
[18]  Shaw J A, Kyriakides S.Int J Plast, 1998; 13: 837
[19]  Churchill C B, Shaw J A, Iadicola M A.Exp Tech, 2009; 33: 51
[20]  Feng P, Sun Q P.J Mech Phys Solids, 2006; 54: 1568
[21]  Feng P, Sun Q P.Smart Mater Struct, 2007; 16: S179
[22]  Zhang Y T, Qi D X.The Theory on Strain Localization and its Applications.Tianjin: Tianjin University Press, 2010: 43(张义同, 齐德. 应变局部化理论及应用. 天津: 天津大学出版社, 2010: 43)
[23]  Favier D, Louche H, Schlosser P, Orgeas L, Vacher P, Debove L.Acta Mater, 2007; 55: 5310
[24]  Zhang X H, Feng P, He Y J, Yu T X, Sun Q P.Int J Mech Sci, 2010; 52: 1660
[25]  Kim K, Daly S.Exp Mech, 2011; 51: 641

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