Photostress analysis of stress-induced martensite phase transformation in superelastic NiTi

B. Katanchi; N. Choupani; J. Khalil-Allafi; M. Baghani

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Photostress analysis of stress-induced martensite phase transformation in superelastic NiTi

机译：超弹性NiTi中应力诱发马氏体相变的光应力分析

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Phase transformation in shape memory alloys is the most important factor in their unique behavior. In this paper, the formation of stress induced martensite phase transformation in a superelastic NiTi (50.8% Ni) shape memory alloy was investigated by using the photo-stress method. First, the material's fabrication procedure has been described and then the material was studied using the metallurgical tests such as differential scanning calorimetry and X-ray diffraction to characterize the material features and the mechanical tensile test to investigate the superelastic behavior. As a new method in observation of the phase transformation, photo-stress pictures showed the formation of stress induced martensite in a superelastic dog-bone specimen during loading and subsequently it's disappearing during unloading. Finally, finite element analysis was implemented using the constitutive equations derived based on the Boyd-Lagoudas phenomenological model.

机译：形状记忆合金的相变是其独特行为的最重要因素。本文利用光应力法研究了超弹性NiTi（50.8％Ni）形状记忆合金中应力诱导的马氏体相变的形成。首先，描述了材料的制造过程，然后使用冶金学方法（例如差示扫描量热法和X射线衍射）对材料进行了研究，以表征材料特征，并通过机械拉伸试验研究了超弹性行为。作为观察相变的一种新方法，光应力图像显示了在加载过程中应力在超弹性狗骨头试样中形成了马氏体，随后在卸载过程中消失了。最后，使用基于Boyd-Lagoudas现象学模型导出的本构方程，进行了有限元分析。

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《Materials Science and Engineering》 |2017年第14期|202-209|共8页
作者
B. Katanchi; N. Choupani; J. Khalil-Allafi; M. Baghani;
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作者单位

Mechanical Engineering Faculty, Sahand University of Technology, Tabriz, Iran;

Mechanical Engineering Faculty, Sahand University of Technology, Tabriz, Iran;

Research Center for Advance Materials, Faculty of Materials Engineering, Sahand University of Technology, Tabriz, Iran;

School of Mechanical Engineering, College of Engineering, University of Tehran, Iran;

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正文语种 eng
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关键词
NiTi shape memory alloys; Stress-induced martensite; Photostress method;

机译：NiTi形状记忆合金;应力诱发的马氏体;光应力法;

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1. Stress-induced phase transformations in thermally cycled superelastic NiTi alloys: in situ X-ray diffraction studies [J] . Polatidis Efthymios, Zotov Nikolay, Mittemeijer Eric J. Powder diffraction . 2015,第junasuppla1期

机译：热循环超弹性NiTi合金中的应力诱导相变：原位X射线衍射研究
2. Hard X-ray studies of stress-induced phase transformations of superelastic NiTi shape memory alloys under uniaxial load [J] . M. Hasan, W.W. Schmahl, K. Hackl, Materials Science and Engineering . 2008,第3期

机译：单轴载荷下超弹性NiTi形状记忆合金应力诱导相变的硬X射线研究
3. Characterizing Transformation Phenomena and Elastic Moduli of Austenite and Oriented Martensite of Superelastic Thin NiTi Wire through Isothermal Dynamic Mechanical Analysis [J] . Alonso Thierry, Favier Denis, Chagnon Gregory Journal of Materials Engineering and Performance . 2019,第8期

机译：通过等温动力学力学分析表征奥氏体甲状腺型奥氏体和取向马氏体的转化现象和弹性模态
4. Young's modulus of austenite and martensite phases in superelastic NiTi wires [C] . Petr Sittner, Ludek Heller, Jan Pilch International Conference on Shape Memory and Superelastic Technologies . 2013

机译：超弹性NITI线中的奥氏体和马氏体阶段的杨氏模量
5. Ti-Nb-(Zr,Ta) superelastic alloys for medical implants: Thermomechanical processing, structure, phase transformations and functional properties. [D] . Dubinskiy, Sergey. 2013

机译：用于医疗植入物的Ti-Nb-（Zr，Ta）超弹性合金：热机械加工，结构，相变和功能特性。
6. Stress-induced detwinning and martensite transformation in an austenite Ni–Mn–Ga alloy with martensite cluster under uniaxial loading [O] . Long Hou, Ying Niu, Yanchao Dai, 2019

机译：单轴载荷下含马氏体团簇的奥氏体Ni-Mn-Ga合金的应力诱导孪晶和马氏体相变
7. Stress-induced phase transformations in thermally cycled superelastic NiTi alloys: In situ X-ray diffraction studies [O] . Polatidis E., Zotov N., Bischoff E., 2015

机译：热循环超弹性NiTi合金中的应力诱导相变：原位X射线衍射研究
8. Stress-Induced Martenistic Phase Transformations in NiTi Shape Memory Alloysduring Dynamic Loading [R] . Miller, D. A., Thissell, W. R. 2000

机译：动态加载时NiTi形状记忆合金的应力诱导磁场相变

Photostress analysis of stress-induced martensite phase transformation in superelastic NiTi

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