期刊文献+

静水压力对多孔形状记忆合金相变的影响 被引量:1

Effects of hydrostatic stress on porous shape memory alloy transformation
下载PDF
导出
摘要 通过考虑静水压力的影响,对多孔形状记忆合金(SMA)马氏体相变的过程进行了分析.以12.5%的孔隙率为例,在等温条件下,只受到静水压力作用时,给出了任意静水压力作用下的应力分布情况,分析了各种马氏体相变阶段,计算了任意阶段中的平均马氏体体积分数值,得到了静水压力下多孔SMA的应力-应变关系曲线.结果表明:静水压力能够诱导多孔SMA发生马氏体相变,且在初始相变阶段影响较大,相变后期影响很小,是导致多孔SMA初始相变点低于实体SMA的重要因素. The different transformation stages of the porous SMA (12.5 % porosity) are analyzed under hydrostatic stress at isothermal circumstances. Both the stress distribution and the volume fraction of martensite are calculated under different hydrostatic stress and the stress-strain curve is obtained. The results show that the hydrostatic pressure can induce martensitic phase transformation and can lower the initial phase transition point for porous SMA, while with less effect in later stage, which provides a theoretical basis for future study on transformation in porous SMA.
出处 《北京交通大学学报》 CAS CSCD 北大核心 2011年第4期120-124,129,共6页 JOURNAL OF BEIJING JIAOTONG UNIVERSITY
基金 国家自然科学基金项目资助(10772021 10972027)
关键词 多孔形状记忆合金 相变分析 弹性力学 静水压力 porous shape memory alloy transformation analysis elastic mechanics hydrostatic stress
  • 相关文献

参考文献17

  • 1Kan Q H, Kang G Z. Constitutive model for uniaxial transformation ratcheting of super-elastic NiTi shape memory alloy at room temperature[J]. International Journal of Plasticity,2010, 26(3) :441 - 445.
  • 2Levitas V I, Ozsoy I B. Mieromechanieal modeling of stress-induced phase transformations. Part 1. Thermodynamics and kinetics of coupled interface propagation and reorientation [J ]. International Journal of Plasticity, 2009, 25(2) :239 - 280.
  • 3王足,朱玉萍,兑关锁,崔海宁.形状记忆合金力学特性的细观力学分析[J].北京交通大学学报,2008,32(1):119-122. 被引量:3
  • 4周博,刘彦菊,冷劲松.形状记忆合金的剪切本构模型[J].金属学报,2009,45(10):1179-1184. 被引量:2
  • 5王振清,周博,梁文彦.形状记忆合金的本构关系[J].金属学报,2007,43(11):1211-1216. 被引量:4
  • 6陆荣林,孙庆平,方如华.多孔NiTi形状记忆合金的力学性能的实验研究[J].力学季刊,2001,22(2):270-272. 被引量:4
  • 7Sirikul W, Nipon D, Lek S. Characteristics and compressive properties of porous NiTi alloy synthesized by SHS technique [J ]. Materials Science and Engineering: A, 2009, 515(1/2):93 97.
  • 8Entchev P B, Lagoudas D C. Modeling of transformation induced plasticity and its effect on the behavior of porous shape memory alloys. Part II: porous SMA response[J ]. Mechanics of Materials,2004, 36: (9) :893 - 913.
  • 9Entchev P B, Lagoudas D C. Modeling porous shape memory alloys using micromechanical averaging techniques[J]. Mechanics of Materials, 2002, 34(1) : 1 - 24.
  • 10Qidwai M A, Entchev P B, Lagoudas D C, et al. Modeling of the thermomechanieal behavior of porous shape memory alloys [ J ]. International Journal of Solids and Structures, 2001(38) :8653 8671.

二级参考文献31

  • 1熊克,沈文罡.SMA丝缠绕角对扭力驱动器驱动性能影响的试验研究[J].机械工程学报,2003,39(12):123-128. 被引量:9
  • 2周博,王振清,梁文彦.形状记忆合金的细观力学本构模型[J].金属学报,2006,42(9):919-924. 被引量:18
  • 3宋经章,李勃,储成林,王世栋,张力宁,张树格,杨晓曦.自蔓延工艺参数对TiNi合金多孔体孔洞均匀性的影响[J].材料科学与工艺,1997,5(1):1-4. 被引量:5
  • 4Liang C, Rogers C A. A One-Dimensional Thermomechanical Constitutive Relation of Shape Memory Materials [J]. Journal of Intelligent Material Systems and Structures,1990,1:207 - 234.
  • 5Liang C, Rogers C A. The Mutidimensional Constitutive Relations of Shape Memory Alloys [ J]. AIAA Journal, 1991, 91 - 1165:178 - 185.
  • 6Sun Q P, Hwang K C. Micromechanics Modeling for the Constitutive Behavior of Polyscrystalline Shape Memory Alloy[J]. Journal of the Mechanics and Physics of Solids, 1993, 41 : 1 - 33.
  • 7Boyd J G, Lagoudas D C. Thermomechanical Response for the Shape Memory Composites[J]. Journal of Intelligent Material Systems and Structures, 1994, 5:333- 346.
  • 8Boyd J G, Langoudas D C. A Thermodynamic Constitutive Model for Shape Memory Materials: Part Ⅰ. The Monolithic Shape Memory Alloys[J]. International Journal of Plasticity, 1996, 12: 805-842.
  • 9Graesser E J, Gozzarelli F A. A Proposed Three-Dimensional Constitutive Model for Shape Memory Alloys [J]. Journal of Intelligent Material Systems and Structures, 1994, 5: 78- 89.
  • 10kDiani M, Sabar H, Breveiller M. Micromechanical Modeling of the Transformation Induced Plasticity Phenomenon in Steels[J]. International Journal of Engineering Science, 1995, 33: 1921- 1932.

共引文献9

同被引文献16

引证文献1

相关作者

内容加载中请稍等...

相关机构

内容加载中请稍等...

相关主题

内容加载中请稍等...

浏览历史

内容加载中请稍等...
;
使用帮助 返回顶部