Twinning and Detwinning During Cyclic Deformation of Mg Alloy AZ31B

机译：镁合金AZ31B循环变形中的孪生和孪生

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Textured Mg alloys exhibit tension - compression strength asymmetry due to mechanical twinning. The distinction arises as the material deforms primarily by slip in one direction and by twinning in the other. In-situ neutron diffraction during cyclic loading in tension and compression of extruded bar allows study of the effect of twinning on subsequent load reversals. The diffraction data reveal the texture evolution and internal stress development as a function of deformation. De-twinning resulted in complete texture reversal during initial cycles, but eventually "fatigued" resulting in some residual twin component.

机译：由于机械孪晶，织构化的Mg合金表现出拉伸-压缩强度的不对称性。之所以会出现这种区别，是因为材料主要通过一个方向的滑移和另一方向的孪生变形而变形。挤压棒材在拉伸和压缩过程中循环加载过程中的原位中子衍射可研究孪晶对随后载荷反转的影响。衍射数据揭示出作为变形函数的纹理演变和内部应力发展。去缠绕导致在初始循环中完全纹理反转，但是最终“疲劳”导致一些残留的孪晶组分。

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来源
《International Conference on Proceeding amp; Manufacturing of Advanced Materials; 20060704-08; Vancouver(CA)》|2006年|P.3407-3413|共7页
会议地点 Vancouver(CA)
作者
D. W. Brown; A. Jain; S. R. Agnew; B. Clausen;
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作者单位

MS-H805, BLDG 622, TA-53, Los Alamos National Laboratory, Los Alamos, NM 87545, USA;

Department of Materials Science and Engineering, University of Virginia, Charlottesville, VA 22904, USA;

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原文格式 PDF
正文语种 eng
中图分类工程材料一般性问题;
关键词
cyclic loading; deformation twin; neutron diffraction; internal strain; magnesium; hcp;

机译：循环载荷;变形双;中子衍射;内部应变;镁; hcp;

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1. AZ31镁合金在以孪生主导的塑性变形中力学行为的模拟 [J] . 王志强, Adrien CHAPUIS, 刘庆中国有色金属学报（英文版） . 2015,第011期
2. AZ31镁合金在以孪生主导的塑性变形中力学行为的模拟（英文） [J] . 王志强, Adrien, CHAPUIS, 中国有色金属学报：英文版 . 2015,第011期
3. Datasets for multi-scale diffraction analysis (synchrotron XRD and EBSD) of twinning-detwinning during tensile-compressive deformation of AZ31B magnesium alloy samples [J] . Hongjia Zhang, Antoine Jérusalem, Enrico Salvati, Data in Brief . 2019,第1期

机译：AZ31B镁合金样品拉伸压缩变形过程中孪晶-孪生的多尺度衍射分析（同步XRD和EBSD）数据集
4. Twinning-Detwinning Behavior during Cyclic Deformation of Magnesium Alloy [J] . Huamiao Wang, Michael A. Gharghouri, Soo Yeol Lee Metals . 2015,第2期

机译：镁合金循环变形过程中的孪生-不孪生行为
5. On the role of slip, twinning and detwinning in magnesium alloy AZ31B sheet [J] . Karol Frydrych, Tomasz Libura, Zbigniew Kowalewski, Materials Science and Engineering . 2021,第MAYa5期

机译：论镁合金AZ31B板镁镁合金中滑动，孪生和碎屑的作用
6. Twinning and Detwinning During Cyclic Deformation of Mg Alloy AZ31B [C] . D. W. Brown, A. Jain, S. R. Agnew, International Conference on Processing amp; Manufacturing of Advanced Materials; 20060704-08; Vancouver(CA) . 2006

机译：镁合金AZ31B循环变形中的孪生和孪生
7. Static, Cyclic Deformation Responses and Related Micromechanisms of Ni-Carbonyl CVD Material of Bimodal Grain Structures: Columnar Grains with Ultrafine and Nano-Twins and Ultrafine-Grained Matrix [D] . ?Fu, Shaohua 2020

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8. Datasets for multi-scale diffraction analysis (synchrotron XRD and EBSD) of twinning-detwinning during tensile-compressive deformation of AZ31B magnesium alloy samples [O] . Hongjia Zhang, Antoine Jérusalem, Enrico Salvati, 2019

机译：AZ31B镁合金样品拉伸压缩变形过程中孪晶-孪生的多尺度衍射分析（同步XRD和EBSD）数据集
9. Datasets for multi-scale diffraction analysis (synchrotron XRD and EBSD) of twinning-detwinning during tensile-compressive deformation of AZ31B magnesium alloy samples [O] . Hongjia Zhang, Antoine Jérusalem, Enrico Salvati, 2019

机译：AZ31B镁合金样品的拉伸变形期间Twinning-Detwinning的多尺度衍射分析（同步衍射分析（Synchrotron XRD和EBSD）的数据集

Twinning and Detwinning During Cyclic Deformation of Mg Alloy AZ31B

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