Volume 9, Issue 1 (Journal OF Welding Science and Technology 2023)
JWSTI 2023, 9(1): 31-38 |
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Ahmadi M, Ahmadi H, Khanzadeh M, Bakhtiari H. Investigation of microstructure, hardness and intermetallic compound in friction stir welding of AA1050 aluminum alloy to copper. JWSTI 2023; 9 (1) :31-38
URL: http://jwsti.iut.ac.ir/article-1-426-en.html
URL: http://jwsti.iut.ac.ir/article-1-426-en.html
1- Department of Mechanical Engineering, Kermanshah Branch, Islamic Azad University, Kermanshah.
2- Materials Engineering, Saveh Branch, Islamic Azad University, Saveh.
3- Technical and Engineering Faculty, Mobarakeh Branch, Islamic Azad University, Mobarakeh, Isfahan. , khanzade@gmail.com
4- Materials and Energy Research Center, Ceramics Research Institute, Karaj.
2- Materials Engineering, Saveh Branch, Islamic Azad University, Saveh.
3- Technical and Engineering Faculty, Mobarakeh Branch, Islamic Azad University, Mobarakeh, Isfahan. , khanzade@gmail.com
4- Materials and Energy Research Center, Ceramics Research Institute, Karaj.
Abstract: (889 Views)
In this research, friction stir welding of aluminum 1050 to copper with variable speed was investigated. For friction stir welding, rotational speeds of 900 and 1200 rpm and traverse speeds of 36, 63, and 125 mm/min were used. In order to check the phases and microstructure, scanning electron microscope analysis, X-ray spectrometry, and hardness testing were used. The disturbance zone included Al2Cu3, Al4Cu9, AlCu4, Al2Cu, and AlCu phases. The results showed that the formation of intermetallic phases and severe plastic deformation in the welding area caused an increase in hardness. The highest hardness value in the stirred area was 97.8 Vickers at a rotation speed of 900 rpm and an advance speed of 36 mm/min.
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