Effects of Torsional Deformation on the Mechanical Properties and Microstructures of a Commercial Pure Copper

Gu Ji; Ni Song; Song Min

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Effects of Torsional Deformation on the Mechanical Properties and Microstructures of a Commercial Pure Copper

机译：扭转变形对商业纯铜的力学性能和微观结构的影响

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The effects of torsional deformation on the mechanical properties and microstructural evolution of pure copper rods with cylindrical shape have been investigated in this study by twisting the rods by different numbers of revolution. The torsional deformation can introduce gradient hardness along the radial direction due to the formation of gradient grains and dislocation substructures along the radial direction. Tensile testing results indicated that the torsional deformation can significantly enhance the strength of pure copper with consuming the ductility. Due to the large grain size and relative high SFE of pure copper in this study, only gradient grain size and dislocation substructures formed along the radial direction after torsional deformation.

机译：通过不同数量的旋转，在该研究中研究了扭转对柱形的纯铜棒力学性能和微观结构演化的影响。由于沿径向的梯度晶粒和位错子结构的形成，扭转变形可以沿径向引入梯度硬度。拉伸试验结果表明，扭转变形可以显着提高纯铜与消耗延展性的强度。由于该研究中的纯铜的大粒度和相对高SFE，仅在扭转变形之后沿径向形成的梯度粒度和位错子结构。

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《Journal of Materials Engineering and Performance》 |2019年第1期|共6页
作者
Gu Ji; Ni Song; Song Min;
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作者单位

Cent S Univ State Key Lab Powder Met Changsha 410083 Hunan Peoples R China;

Cent S Univ State Key Lab Powder Met Changsha 410083 Hunan Peoples R China;

Cent S Univ State Key Lab Powder Met Changsha 410083 Hunan Peoples R China;

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原文格式 PDF
正文语种 eng
中图分类金属学与金属工艺;工程材料学;
关键词
copper; gradient structure; mechanical properties; torsional deformation;

机译：铜;梯度结构;机械性能;扭转变形;

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专利

1. Effects of Torsional Deformation on the Mechanical Properties and Microstructures of a Commercial Pure Copper [J] . Gu Ji, Ni Song, Song Min Journal of Materials Engineering and Performance . 2019,第1期

机译：扭转变形对商业纯铜的力学性能和微观结构的影响
2. Influences of pre-torsion deformation on microstructure and mechanical properties of pure titanium subjected to subsequent tension deformation [J] . Jie LIU, Fuguo LI, Han CHEN 中国航空学报（英文版） . 2018,第004期

机译：预拉伸变形对后续拉伸变形后纯钛组织和力学性能的影响
3. Microstructures and mechanical properties of pure copper deformed severely by equal-channel angular pressing and high pressure torsion [J] . N. Lugo, N. Llorca, J.M. Cabrera, Materials Science and Engineering. A, Structural Materials: Properties, Microstructure and Processing . 2008,第1a2期

机译：等通道角向挤压和高压扭转严重变形的纯铜的组织和力学性能
4. Effect of Hf Doping of Commercially Pure Copper on Evolution of its Microstructure under High Pressure Torsion [C] . Alexey Stolbovsky, Vladimir Popov, Ruslan Falahutdinov International Conference on Industrial Engineering . 2020

机译：商业上纯铜HF掺杂对高压扭转微观结构演化的影响
5. Characterization of surface microstructure in pure copper after severe plastic deformation by sliding. [D] . Suslov, Sergey. 2012

机译：纯铜在剧烈滑动后发生塑性变形后的表面微观结构特征。
6. Effect of high-pressure torsion on microstructure mechanical properties and corrosion resistance of cast pure Mg [O] . Donya Ahmadkhaniha, Yi Huang, Matias Jaskari, -1

机译：高压扭转对铸态纯镁组织力学性能和耐蚀性的影响
7. Microstructure and Mechanical Properties of Friction Stir Welded Joints Between Commercially Pure Copper and Al 6351 Alloy [O] . Sinha V.C., Kundu S., Chatterjee S. 2017

机译：商用纯铜与al 6351合金搅拌摩擦焊接头的组织与力学性能

Effects of Torsional Deformation on the Mechanical Properties and Microstructures of a Commercial Pure Copper

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