计及相变与塑性的NiTi形状记忆合金循环伪弹性特性描述

曾忠敏; 彭向和

doi:10.3879/j.issn.1000-0887.2014.08.003

计及相变与塑性的NiTi形状记忆合金循环伪弹性特性描述

doi: 10.3879/j.issn.1000-0887.2014.08.003

重庆大学航空航天学院,重庆 400044

基金项目: 国家自然科学基金（11332013； 11272364）

详细信息

作者简介:
曾忠敏(1988—)，女，贵州人，硕士（E-mail: 13613511859@163.com）;彭向和(1953—)，男，教授，博士，博士生导师(通讯作者. Tel: +86-23-65111468; E-mail: xhpeng@cqu.edu.cn).

中图分类号: O344.3;TB125
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- 文章访问数: 1500
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出版历程
- 收稿日期: 2014-04-23
- 修回日期: 2014-07-03
- 刊出日期: 2014-08-15

A Constitutive Description of Cyclic Pseudoelasticity for the NiTi SMAs Involving Coupled Phase Transformation and Plasticity

College of Aerospace Engineering, Chongqing University, Chongqing 400044, P.R.China

Funds: The National Natural Science Foundation of China（11332013； 11272364）

摘要

摘要: 结合NiTi形状记忆合金单轴循环变形试验研究结果，采用基于混合物理论的计及相变、重取向与塑性变形的形状记忆合金本构模型发展了相应的算法和程序.对NiTi形状记忆合金单轴循环变形行为进行了描述.通过试验结果与模拟结果的比较，验证了本构模型与算法的有效性.
- 形状记忆合金 /
- 循环伪弹性-塑性变形 /
- 本构模型 /
- 数值方法 /
- 验证
Abstract: According to the main experimental constitutive characteristics of the NiTi shape memory alloys (SMAs) subjected to cyclic tensile loading, and in line with the constitutive relationship for the SMAs, an analytical approach and the corresponding numerical algorithm as well as the computational program were developed. The constitutive description is based on the mixture theory, employs the Voigt hypothesis, and takes into account the effects of forward and inverse martensitic transformation, reorientation deformation and plastic deformation. The pseudoelastic behavior of a NiTi SMA subjected to cyclic tensile loading and unloading was simulated. The comparison between the computed and experimental results shows that the main characteristics of the material under cyclic loading can be satisfactorily described, which demonstrates the validity of the constitutive model and the developed numerical program.
- shape memory alloy /
- cyclic pseudoelastic-plastic deformation /
- constitutive model /
- numerical approach /
- verification

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参考文献(14)

[1]	Delville R, Malard B, Pilch J, Sittner P. Transmission electron microscopy investigation of dislocation slip during superelastic cycling of Ni-Ti wires[J].International Journal of Plasticity,2011,27(2): 282-297.
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[7]	康国政. 伪弹性镍钛形状记忆合金循环变形行为的研究进展[J].西南交通大学学报，2011,46(3): 355-364.（KANG Guo-zheng. Research progress in cyclic deformation of super-elastic NiTi shape memory alloy[J].Journal of Southwest Jiaotong University,2011,46(3): 355-364.（in Chinese））
[8]	Wang X M, Xu B X, Yue Z F. Phase transformation behavior of pseudoelastic NiTi shape memory alloys under large strain[J].Alloys and Compounds,2008,463(1/2): 417-422.
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计及相变与塑性的NiTi形状记忆合金循环伪弹性特性描述

doi: 10.3879/j.issn.1000-0887.2014.08.003

作者简介:
曾忠敏(1988—)，女，贵州人，硕士（E-mail: 13613511859@163.com）;彭向和(1953—)，男，教授，博士，博士生导师(通讯作者. Tel: +86-23-65111468; E-mail: xhpeng@cqu.edu.cn).

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A Constitutive Description of Cyclic Pseudoelasticity for the NiTi SMAs Involving Coupled Phase Transformation and Plasticity

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留言板

计及相变与塑性的NiTi形状记忆合金循环伪弹性特性描述

doi: 10.3879/j.issn.1000-0887.2014.08.003

作者简介: 曾忠敏(1988—)，女，贵州人，硕士（E-mail: 13613511859@163.com）;彭向和(1953—)， 男， 教授， 博士， 博士生导师(通讯作者. Tel: +86-23-65111468; E-mail: xhpeng@cqu.edu.cn).

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出版历程

A Constitutive Description of Cyclic Pseudoelasticity for the NiTi SMAs Involving Coupled Phase Transformation and Plasticity

计量

出版历程

目录

作者简介:
曾忠敏(1988—)，女，贵州人，硕士（E-mail: 13613511859@163.com）;彭向和(1953—)，男，教授，博士，博士生导师(通讯作者. Tel: +86-23-65111468; E-mail: xhpeng@cqu.edu.cn).