Influence of tool pin eccentricity on microstructural evolution and mechanical properties of friction stir processed Al-5052 alloy

Influence of tool pin eccentricity on microstructural evolution and mechanical properties of friction stir processed Al-5052 alloy

Stir tools with different pin eccentricities were applied to the friction stir processing of Al-5052 alloy. Results show that pin eccentricity enhances material flow and refines grains of stir zone. The stir zone produced by a stir tool with 0.4 mm pin eccentricity performs the highest hardness and...

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Veröffentlicht in:Materials science & engineering. A, Structural materials : properties, microstructure and processing Structural materials : properties, microstructure and processing, 2019-01, Vol.739, p.272-276
Hauptverfasser: Chen, Yu, Wang, He, Wang, Xiaoyu, Ding, Hua, Zhao, Jingwei, Zhang, Fenghe, Ren, Zhaohui
Format: Artikel
Sprache:eng
Schlagworte:
Alloys
Aluminum alloy
Aluminum alloys
Aluminum base alloys
Composite materials
Eccentricity
Friction stir processing
Materials science
Mechanical properties
Metallography
Microstructure
Pin eccentricity
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Zusammenfassung:Stir tools with different pin eccentricities were applied to the friction stir processing of Al-5052 alloy. Results show that pin eccentricity enhances material flow and refines grains of stir zone. The stir zone produced by a stir tool with 0.4 mm pin eccentricity performs the highest hardness and yield strength, attributing to the enhanced grain-boundary strengthening.
ISSN:0921-5093
1873-4936
DOI:10.1016/j.msea.2018.10.057