Investigation on the changes effected by tool profile on mechanical and tribological properties of friction stir processed AZ31B magnesium alloy |
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Authors: | K Ganesa Balamurugan K Mahadevan |
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Institution: | Department of Mechanical Engineering, Pondicherry Engineering College, Pondicherry -605014, India |
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Abstract: | The present study investigates the effect of tool shoulder profile on the mechanical and tribological properties of friction stir processed AZ31B magnesium alloy. The tool rotational speed and feed rate are the chosen process parameters. The experiments were conducted with 3 level 2 factors full factorial design. The recorded responses were tensile strength, wear losses and corrosion rate. The results were analyzed with the help microstructures of the processed samples. The study reveals that, for concave shoulder tool, the strain hardening effect was playing a major role in determining the properties of the processed materials and for the step shoulder tool, the grain size plays a major role in determining the properties of the processed materials. |
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Keywords: | FSP AZ31B alloy Tool profile Wear Corrosion Dislocation density Grain size |
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