Open Access
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Vipin Sharma,
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Yogesh Dewang,
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Mohit Sharma,
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Yashpal Gupta,
- Associate Professor Department of Mechanical Engineering, Medi-Caps University, Indore Madhya Pradesh India
- Associate Professor , Department of Mechanical Engineering, Lakshmi Narain College of Technology Madhya Pradesh India
- Assistant Professor Department of Mechanical Engineering, Medi-Caps University, Indore Madhya Pradesh India
- Assistant Professor Department of Mechanical Engineering, Panipat Institute of Engineering & Technology, Panipat, Haryana India
Abstract
In the present study, multi-pass friction stir processing of aluminum AA2014-T651 alloy is per-formed with one and four passes. The multi-pass processing is performed at a tool rotational speed of 1000 rpm with a traverse speed of 63 mm/min. Microstructural characterization of fric-tion stir processed specimens indicated a significant grain refinement with equiaxed grains in the four pass specimen. Microhardness and tensile strength of the multi-pass specimen decreases with the increase in number of passes. Fracture toughness of the multipass specimen exhibited a de-crease in the fracture toughness on increasing the number of passes. Hardening precipitates in the base alloy govern the mechanical properties and contribution of the grain refinement to strength, hardness and fracture toughness is limited. Thermal cycles experienced in the multi-pass friction stir processing affect the role of hardening precipitates.
Keywords: friction, stir, processing, FSP, multipass, aluminum, Al-Cu
[This article belongs to Special Issue under section in Journal of Polymer and Composites(jopc)]
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References
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Journal of Polymer and Composites
Volume | 12 |
Special Issue | 01 |
Received | January 6, 2024 |
Accepted | March 4, 2024 |
Published | May 4, 2024 |