Stress and Strain Analysis and Microstructure of Al/Cu Clad Composite Fabricated by Cold Extrusion

• Autorzy: Junting L. , Yahong X. , Yongkang L. , Jianyong L. , Shuangjing Z.

Identyfikatory

DOI

10.1515/amm-2016-0293

• Języki publikacji: EN

Abstrakty

EN

A five-zone describing model for extrusion of aluminum/copper clad composite was established. Stress and strain were also analyzed by finite element method. The distribution rules of grain size were researched by critical shear strain theory, and zoning phenomenon of grain size was discovered. The grain size of deformed aluminum material becomes gradually finer from center to the interface. The grain size is much fine and the critical shear strain reaches the maximum value in the interface. The grain size of copper material reduces gradually from center to both the interface and exterior surface, which is caused by the higher value of critical shear strain in the interface and exterior surface. The analysis results were verified by microstructure observation and mechanical properties test, indicating that the distribution of grain size for cold extrusion forming can be interpreted by critical shear strain theory.

Słowa kluczowe

EN

aluminum/copper clad composite; cold extrusion; microstructure; critical shear strain; finite element method

• Wydawca: Institute of Metallurgy and Materials Science of Polish Academy of Sciences ; Committee of Materials Engineering and Metallurgy of Polish Academy of Sciences
• Czasopismo: Archives of Metallurgy and Materials
• Rocznik: 2016
• Tom: Vol. 61, iss. 4
• Strony: 1813--1818
• Opis fizyczny: Bibliogr. 18 poz., rys., tab., wykr.

Twórcy

autor

Junting L.

• Education Ministry Key Laboratory of Advanced Forging & Stamping Technology and Science, Yanshan University, Qinhuangdao 066004, China
• State Key Laboratory of Metastable Materials Science and Technology, Yanshan University, Qinhuangdao 066004, China

autor

Yahong X.

• Education Ministry Key Laboratory of Advanced Forging & Stamping Technology and Science, Yanshan University, Qinhuangdao 066004, China

autor

Yongkang L.

• Education Ministry Key Laboratory of Advanced Forging & Stamping Technology and Science, Yanshan University, Qinhuangdao 066004, China

autor

Jianyong L.

• Education Ministry Key Laboratory of Advanced Forging & Stamping Technology and Science, Yanshan University, Qinhuangdao 066004, China

autor

Shuangjing Z.

• Education Ministry Key Laboratory of Advanced Forging & Stamping Technology and Science, Yanshan University, Qinhuangdao 066004, China

Bibliografia

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Uwagi

EN

This research was funded by Natural Science Foundation of Hebei Province, China(E2012203086). The authors are grateful to all their support.