In-Situ Study on Deformation Behavior of ZK60 Alloy Processed by Cyclic Extrusion and Compression

被引：2

作者：

Lin, Jinbao ^{[1
,2
]}

Wang, Qing ^{[2
]}

Ren, Weijie ^{[1
]}

Wang, Qudong ^{[3
]}

Ma, Lifeng ^{[2
]}

机构：

[1] Taiyuan Univ Sci & Technol, Sch Appl Sci, Taiyuan 030024, Peoples R China

[2] Taiyuan Univ Sci & Technol, Ctr Rolling Engn, Taiyuan 030024, Peoples R China

[3] Shanghai Jiao Tong Univ, Natl Engn Res Ctr Light Alloy Net Forming, Shanghai 200240, Peoples R China

来源：

MATERIALS TRANSACTIONS | 2014年 / 55卷 / 08期

基金：

中国国家自然科学基金;

关键词：

ZK60 magnesium alloy; cyclic extrusion and compression (CEC); in-situ observation; deformation behavior; CHANNEL-ANGULAR EXTRUSION; MAGNESIUM ALLOY; ROOM-TEMPERATURE; MECHANISMS;

D O I：

10.2320/matertrans.MC201405

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

The effects of cyclic extrusion and compression (CEC) on the deformation behavior and failure of ZK60 alloy were examined using in-situ scanning electron microscope (SEM) uniaxial tensile testing at room temperature. Fracture surface was analyzed by SEM. Result shows that the tensile elongation of the extruded ZK60 alloy is obviously increased by CEC deformation. The change in fracture modes has been attributed to the suppression of twinning and the activation of non-basal slips due to the grain refinement and texture modification induced by CEC deformation.

引用

页码：1180 / 1183

页数：4

共 20 条

[11] Microstructure and high tensile ductility of ZK60 magnesium alloy processed by cyclic extrusion and compression [J].

Lin, Jinbao ;

Wang, Qudong ;

Peng, Liming ;

Roven, Hans J. .

JOURNAL OF ALLOYS AND COMPOUNDS, 2009, 476 (1-2) :441-445

[12] Influence of Grain Refinement and Texture Evolution on the Yield Strength of Mg Alloy Processed by Cyclic Extrusion and Compression [J].

Lin, Jinbao ;

Wang, Qudong ;

Chen, Yanxia ;

Cui, Xiaochao .

MATERIALS TRANSACTIONS, 2014, 55 (01) :120-122

[13] Effects of Stacking Fault Energy on Fundamental Deformation Modes in Single Crystalline Magnesium by Molecular Dynamics Simulations [J].

Matsunaka, Daisuke ;

Ohnishi, Yasuaki ;

Shibutani, Yoji .

MATERIALS TRANSACTIONS, 2013, 54 (11) :2093-2097

[14] The onset of twinning in metals:: A constitutive description [J].

Meyers, MA ;

Vöhringer, O ;

Lubarda, VA .

ACTA MATERIALIA, 2001, 49 (19) :4025-4039

[15] Exceptional superplasticity in an AZ61 magnesium alloy processed by extrusion and ECAP [J].

Miyahara, Y ;

Horita, Z ;

Langdon, TG .

MATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING, 2006, 420 (1-2) :240-244

[16] Investigation of deformation twinning in a fine-grained and coarse-grained ZM20 Mg alloy: Combined in situ neutron diffraction and acoustic emission [J].

Muransky, O. ;

Barnett, M. R. ;

Carr, D. G. ;

Vogel, S. C. ;

Oliver, E. C. .

ACTA MATERIALIA, 2010, 58 (05) :1503-1517

[17] Prediction of grain boundary stress fields and microcrack initiation induced by slip band impingement [J].

Sauzay, Maxime ;

Moussa, Mohamed Ould .

INTERNATIONAL JOURNAL OF FRACTURE, 2013, 184 (1-2) :215-240

[18] Deformation structure after fracture-toughness test of Mg-Al-Zn alloys processed by equal-channel-angular extrusion [J].

Somekawa, H ;

Singh, A ;

Mukai, T .

PHILOSOPHICAL MAGAZINE LETTERS, 2006, 86 (03) :195-204

[19] Producing bulk ultrafine-grained materials by severe plastic deformation [J].

Valiev, RZ ;

Estrin, Y ;

Horita, Z ;

Langdon, TG ;

Zehetbauer, MJ ;

Zhu, YT .

JOM, 2006, 58 (04) :33-39

[20] Microstructure evolution of AZ series magnesium alloys during cyclic extrusion compression [J].

Wang, Qudong ;

Chen, Yongjun ;

Liu, Manping ;

Lin, Jinbao ;

Roven, Hans J. .

MATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING, 2010, 527 (09) :2265-2273

← 1 2 →