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Texture evolution of MWCNTs/AZ31 composite during ECAP

Peng Lu-nan

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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.

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What this paper is about

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.

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Available 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.

Key concepts: Materials science, Extrusion, Diffractometer, Composite number, Texture (cosmology), Composite material, Pressing, Deformation (meteorology)

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