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Paper
Title

CFD Modelling of Friction Stir Welding of Aluminum to Steel butt joint

فصلنامه مواد پیشرفته و فرآوری، دوره: 3، شماره: 3
Year: 1394
COI: JR_JMATPR-3-3_005
Language: EnglishView: 45
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Authors

Hamed Aghajani Derazkola - Young Researchers and Elite Club, Sari Branch, Islamic Azad University, Sari
Majid Elyasi - Department of mechanical Engineering, Noshiravani University of Technology, Babol, Iran
Morteza Hossienzadeh - IDepartment of Engineering, slamic Azad University of Ayatollah Amoli branch, Iran

Abstract:

In this article effects of friction stir welding (FSW) tool rotational and traverse speeds were studied on heat generation and temperature distribution in welding zone of AA۱۱۰۰ aluminum alloy and A۴۴۱ AISI joint. Computational fluid dynamics method was used to simulate the process with commercial CFD Fluent ۶.۴ package. To enhance the accuracy of simulation in this Study, the welding line that is located work-pieces interface, defined with pseudo melt behavior around the FSW pin tool. Simulation results showed that with increase of FSW tool rotational speed, the generated heat became more and dimensions of the stir zone will be bigger. The calculation result also shows that the maximum temperature was occurred on the advancing side. The computed results demonstrated that with increasing tool linear speeds the heat generation experienced growth down trend. With increasing traveling speeds the time to reach maximum temperature in stir zone growth but the tool rotational speed dose not effect on time to reach maximum temperature. The model outcomes show that more than ۸۵% total heat was produced by tool shoulder and the maximum heat with selected parameters in this study was ۹۳۵ kelvin degrees. The computed results shows that the maximum value of strain rate achieved was ۲۹ S-۱ for A۴۴۱ AISI side and ۴۲ S-۱ at AA۱۱۰۰ side.

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https://civilica.com/doc/1282757/

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Aghajani Derazkola, Hamed and Elyasi, Majid and Hossienzadeh, Morteza,1394,CFD Modelling of Friction Stir Welding of Aluminum to Steel butt joint,https://civilica.com/doc/1282757

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The specifications of the publisher center of this Paper are as follows:
Type of center: Azad University
Paper count: 4,620
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