Microstructures and Mechanical Properties of Commercial Hot-Extruded Copper Processed by Torsion Deformation

被引：18
|
作者：
Guo, Ning [1 ,2 ]
Li, Xiaoxia [1 ]
Xiao, Mei [1 ]
Xin, Renlong [2 ]
Chai, Linjiang [3 ]
Song, Bo [1 ]
Yu, Hongbing [4 ]
Li, Lu [1 ]
机构：
[1] Southwest Univ, Fac Mat & Energy, Chongqing 400715, Peoples R China
[2] Chongqing Univ, Sch Mat Sci & Engn, Chongqing 400030, Peoples R China
[3] Chongqing Univ Technol, Sch Mat Sci & Engn, Chongqing 400054, Peoples R China
[4] Queens Univ, Dept Mech & Mat Engn, Kingston, ON K7L 3N6, Canada
来源：
ADVANCED ENGINEERING MATERIALS | 2016年 / 18卷 / 10期
基金：
中国国家自然科学基金; 中国博士后科学基金;
关键词：
ULTRAFINE-GRAINED COPPER; PEARLITIC STEEL WIRES; HIGH-PRESSURE TORSION; MAGNESIUM ALLOY RODS; ULTRAHIGH-STRENGTH; LARGE STRAINS; PURE COPPER; EVOLUTION; TENSILE; BEHAVIOR;
D O I：
10.1002/adem.201600252
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Free-end torsion deformation is used for processing copper rod in this work. Both microstructures and mechanical properties of the torsional rods are quantitatively analyzed. The results show that gradient lamellar dislocation substructures (LDS) along the radial direction as the main defects are formed after torsion. The increment of the LDS density, the shrinking of spacing size, and the change of length/spacing (L/S) ratio of the LDS are all non-monotonic function of torsion revolution. High-density LDS with fine spacing can retain strain hardening capability, which results in good combination of high tensile strength and good ductility in the torsional deformed sample with large number of revolutions. The influence of torsion strain on primary twin boundaries (TBs) in the hot-extruded rod is also discussed.
引用
收藏
页码：1738 / 1746
页数：9
相关论文
共 50 条
  • [41] Simultaneously improved electrical and mechanical performance of hot-extruded bulk scale aluminum-graphene wires
    Nittala, Aditya
    Smith, Jacob
    Gwalani, Bharat
    Silverstein, Joshua
    Kraft, Frank F.
    Kappagantula, Keerti
    MATERIALS SCIENCE AND ENGINEERING B-ADVANCED FUNCTIONAL SOLID-STATE MATERIALS, 2023, 293
  • [42] Influence of Deformation Stress Triaxiality on Microstructure and Microhardness of Pure Copper Processed by Simultaneous Torsion and Tension
    Zhao, Chen
    Li, Fuguo
    Li, Jinghui
    Ma, Xinkai
    Wan, Qiong
    Tong, Tengteng
    JOURNAL OF MATERIALS ENGINEERING AND PERFORMANCE, 2017, 26 (08) : 4104 - 4111
  • [43] Inhomogeneity and anisotropy of microstructure and mechanical properties in severe plastic deformation processed pure copper
    Kang Feng
    Wang Jing-tao
    Du Zhong-ze
    TRANSACTIONS OF NONFERROUS METALS SOCIETY OF CHINA, 2006, 16 : S160 - S165
  • [44] The influence of cooling rate on the microstructures and mechanical properties in ultrafine-grained aluminum processed by hot rolling
    Sun, P. L.
    Zhao, Y. H.
    Tseng, T. Y.
    Su, J. R.
    Lavernia, E. J.
    MATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING, 2010, 527 (20): : 5287 - 5294
  • [45] Effect of Sn and Y addition on the microstructural evolution and mechanical properties of hot-extruded Mg-9Li-3Al alloy
    Guo, J.
    Chang, L. L.
    Zhao, Y. R.
    Jin, Y. P.
    MATERIALS CHARACTERIZATION, 2019, 148 : 35 - 42
  • [46] Improving the mechanical properties of a hot-extruded AZ31 alloy by {10(1)over-bar2} twinning lamella
    Chen, Huicong
    Liu, Tianmo
    Hou, Dewen
    Shi, Dongfeng
    JOURNAL OF ALLOYS AND COMPOUNDS, 2016, 680 : 191 - 197
  • [47] A direct extrusion-shear deformation composite process that significantly improved the metallurgical bonding and texture regulation grain refinement and mechanical properties of hot-extruded AZ31/AA6063 composite tubes
    Zhang, Wei
    Hu, Hong Jun
    Hu, Gang
    Sun, Zhenwei
    Yuan, Ting
    Ou, Zhongwen
    MATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING, 2023, 880
  • [48] Microstructure and mechanical properties of a Zn-0.5Cu alloy processed by high-pressure torsion
    Bednarczyk, Wiktor
    Kawalko, Jakub
    Watroba, Maria
    Gao, Nong
    Starink, Marco J.
    Bala, Piotr
    Langdon, Terence G.
    MATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING, 2020, 776
  • [49] Ultrafine-Grained Aluminum Processed by a Combination of Hot Isostatic Pressing and Dynamic Plastic Deformation: Microstructure and Mechanical Properties
    Dirras, G.
    Chauveau, T.
    Abdul-Latif, A.
    Gubicza, J.
    Ramtani, S.
    Bui, Q.
    Hegedus, Z.
    Bacroix, B.
    METALLURGICAL AND MATERIALS TRANSACTIONS A-PHYSICAL METALLURGY AND MATERIALS SCIENCE, 2012, 43A (04): : 1312 - 1322
  • [50] Wear Properties of Hot-Extruded Pure Mg and Mg-1 wt.% SiC Nanocomposite
    Guo, Wei
    Wang, Qudong
    Li, Xiaochun
    Zhou, Hao
    Zhang, Li
    Liao, Wenjun
    JOURNAL OF MATERIALS ENGINEERING AND PERFORMANCE, 2015, 24 (07) : 2774 - 2778
12345