Transactions of Materials and Heat Treatment

Title：Texture evolution of MWCNTs/AZ31 composite during ECAP

Authors： ZHOU Guo-hua ZENG Xiao-shu YU Zhi-he LIU Yan PENG Lu-nan

Unit： Yichun University Nanchang University

KeyWords： Multi-Walled Carbon Nonotubes(MWCNTs) composite AZ31 alloy equal channel angular pressing(ECAP) texture mechanical properties

ClassificationCode：TB333；TG379

year,vol(issue):pagenumber：2011,36(6):120-124

Abstract：

Multi-Walled Carbon Nonotubes(MWCNTs)/AZ31 composite was prepared for severe plastic deformation by means of equal channel angular pressing (ECAP) deformation process after hot extrusion. The mechanical properties were tested at room temperature. The texture evolution of composites was investigated by X-ray diffractometer (XRD) during ECAP. The results show that the MWCNTs/AZ31 composite has a strong {0001} fiber texture after hot extrusion. The distribution of texture gradually deviates from fiber texture with the increase of ECAP pass number, and the texture intensity gradually weakens. The grain size and texture together have an important role on the mechanical properties of MWCNTs/ AZ31 alloy composites at room temperature after ECAP.

Funds：

江西省教育厅科技项目（GJJ09027)

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