Study of the loading mode dependence of the twinning in random textured cast magnesium by acoustic emission and neutron diffraction methods

Jan Capek; Kristian Mathis; Bjorn Clausen; Jitka Straska; Premysl Beran; Petr Lukas

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Study of the loading mode dependence of the twinning in random textured cast magnesium by acoustic emission and neutron diffraction methods

机译：声发射和中子衍射法研究无规织构铸镁中孪晶的加载模式依赖性

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摘要

The twinning activity in random textured cast magnesium during monotonic, room temperature tension and compression tests was monitored by acoustic emission (AE) and neutron diffraction (ND). The AE detected higher twin nucleation activity in tension than in compression. The correlation of AE with the ND data indicates that in compression the nucleation of twins is followed by rapid growth, unlike in tension in which twin variants with limited growth were observed.

机译：通过声发射（AE）和中子衍射（ND）监测单调，室温拉伸和压缩测试过程中无规织构铸镁的孪晶活性。 AE检测到在张力作用下比在压缩作用下具有更高的孪生成核活性。 AE与ND数据的相关性表明，在压缩过程中，孪晶的成核之后是快速生长，这与在张力下观察到生长受限的孪生变体不同。

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来源
《Materials Science and Engineering》 |2014年第25期|25-32|共8页
作者
Jan Capek; Kristian Mathis; Bjorn Clausen; Jitka Straska; Premysl Beran; Petr Lukas;
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作者单位

Department of Physics of Materials, Faculty of Mathematics and Physics, Charles University, Ke Karlovu 5, 121 16 Prague, Czech Republic;

Department of Physics of Materials, Faculty of Mathematics and Physics, Charles University, Ke Karlovu 5, 121 16 Prague, Czech Republic;

Los Alamos National Laboratory, Lujan Neutron Scattering Center, Los Alamos, NM 87545, USA;

Department of Physics of Materials, Faculty of Mathematics and Physics, Charles University, Ke Karlovu 5, 121 16 Prague, Czech Republic;

Nuclear Physics Institute of the Academy of Sciences of the Czech Republic, Rez 250 68, Czech Republic;

Nuclear Physics Institute of the Academy of Sciences of the Czech Republic, Rez 250 68, Czech Republic;

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正文语种 eng
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关键词
Magnesium; Acoustic emission; Neutron diffraction; Deformation twinning;

机译：镁;声发射;中子衍射;变形孪晶;

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专利

1. Study of twinning in texture-free cast magnesium using acoustic emission technique [J] . K. Mathis, J. Capek, P. Harcuba, Metallic materials . 2013,第5期

机译：无声铸造镁的孪晶的声发射研究
2. Study of twinning in texture-free cast magnesium using acoustic emission technique [J] . K. Mathis, J. Capek, P. Harcuba Kovove materialy . 2013,第5期

机译：无声铸造镁的孪晶的声发射研究
3. Temperature dependence of twinning activity in random textured cast magnesium [J] . Jan Capek, Gergely Farkas, Jan Pilch, Materials Science and Engineering . 2015,第mara11期

机译：随机织构镁铸件中孪晶活性的温度依赖性
4. Neutron Diffraction and Acoustic Emission Measurement During Loading and Unloading of Magnesium Aluminium Binary Alloys [C] . Jan Capek, Kristian Mathis TMS annual meeting exhibition;Symposium on magnesium technology . 2017

机译：镁铝二元合金装卸过程中的中子衍射和声发射测量
5. In-situ diffraction studies of rate dependence of twinning, phase transformation, and slip in shape memory alloys [D] . Paradise, Paul 2015

机译：原位衍射研究形状记忆合金中孪晶，相变和滑动的速率依赖性
6. Acoustic Emission of Deformation Twinning in Magnesium [O] . Chengyang Mo, Brian Wisner, Mike Cabal, 2016

机译：镁变形孪晶的声发射
7. Dependence of twinned volume fraction on loading mode and Schmid factor in randomly textured magnesium [O] . Jan Čapek, Kristián Máthis, Bjørn Clausen, 2017

机译：孪晶体积分数对随机纹理镁的加载模式和施密因子的依赖性
8. Limitation of Current Hardening Models in Predicting Anisotropy by Twinning in HCP Metals: Application to a Rod-Textured AM30 Magnesium Alloy [R] . Oppedal, A., Kadiri, H. E., Tome, C. N., 2011

机译：当前硬化模型在HCp金属孪晶预测各向异性中的局限性：棒状织构am30镁合金的应用

Study of the loading mode dependence of the twinning in random textured cast magnesium by acoustic emission and neutron diffraction methods

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