Effect of Repeated Repair on Microstructure, Mechanical Properties and Corrosion Behavior of 5083-H321 Aluminum Alloy Welded Joints Using Pulsed MIG

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Ahmadi Meysam; Farzadi Ali; Yazdipour Alireza

مرکز اطلاعات علمی Scientific Information Database (SID) - Trusted Source for Research and Academic Resources

Journal Paper

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Journal: JOURNAL OF MARINE ENGINEERING Year:2017 | Volume:13 | Issue:25 Page(s): 77-90

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Information Journal Paper

Title

Effect of Repeated Repair on Microstructure, Mechanical Properties and Corrosion Behavior of 5083-H321 Aluminum Alloy Welded Joints Using Pulsed MIG

Author(s)

Ahmadi Meysam | Farzadi Ali | Yazdipour Alireza | Issue Writer Certificate

Keywords

Marine industriesQ1

Area passiveQ1

Pulsed MIGQ1

Repair weldingQ1

Pitting corrosionQ1

Abstract

In the Marine industries, defects in welded joints are repaired to improve the performance. It is possible that a welded joint is repaired once or twice. In this research, effect of repair on microstructure, mechanical properties and corrosion behavior of welded joints of 5083-H321 aluminum alloy using Pulsed MIG process was investigated. The results show that excess heat due to increasing the number of repair causes recrystallization, grain growth and increasing the grain size in the heat affected zone. The results of tensile test and micro hardness show loss of mechanical properties in heat affected zone of the sample that subjected to repair twice. Also, this sample shows a substantially passive region in the weld metal and the heat affected zone and hence more stable resistance to Pitting corrosion.

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APA: Copy

Ahmadi, Meysam, Farzadi, Ali, & Yazdipour, Alireza. (2017). Effect of Repeated Repair on Microstructure, Mechanical Properties and Corrosion Behavior of 5083-H321 Aluminum Alloy Welded Joints Using Pulsed MIG. JOURNAL OF MARINE ENGINEERING, 13(25 ), 77-90. SID. https://sid.ir/paper/60972/en

Vancouver: Copy

Ahmadi Meysam, Farzadi Ali, Yazdipour Alireza. Effect of Repeated Repair on Microstructure, Mechanical Properties and Corrosion Behavior of 5083-H321 Aluminum Alloy Welded Joints Using Pulsed MIG. JOURNAL OF MARINE ENGINEERING[Internet]. 2017;13(25 ):77-90. Available from: https://sid.ir/paper/60972/en

IEEE: Copy

Meysam Ahmadi, Ali Farzadi, and Alireza Yazdipour, “Effect of Repeated Repair on Microstructure, Mechanical Properties and Corrosion Behavior of 5083-H321 Aluminum Alloy Welded Joints Using Pulsed MIG,” JOURNAL OF MARINE ENGINEERING, vol. 13, no. 25 , pp. 77–90, 2017, [Online]. Available: https://sid.ir/paper/60972/en

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