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Paper
Title

The Effect of Travel and Rotational Speeds on the Mechanical Properties of Al2024 in Underwater Friction Stir Welding

مجله مواد دوستدار محیط، دوره: 1، شماره: 2
Year: 1396
COI: JR_JEFM-1-2_003
Language: EnglishView: 225
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Authors

R. Azarafza - University Complex Materials and Manufacturing Technologies of Maleke Ashtar University, Tehran, Iran.
A. Rabieifar - Department of Materials Engineering, Science and Research Branch, Islamic Azad University, Tehran, Iran.
A. Rezaei - University Complex Materials and Manufacturing Technologies of Maleke Ashtar University, Tehran, Iran.
S. Nategh - Materials Science and Engineering Department, Sharif University of Technology, Tehran, Iran.

Abstract:

In this research, the friction stir welding was performed underwater in order to evaluate and improve the mechanical properties of aluminum 2024 alloy. Welding samples were compared with the samples in the air welding. The results showed that samples of the underwater welding in case the rotational speed is 1000 RPM and feed rate is in 80 mm/min, has the highest tensile strength, also they obtain the highest hardness at a rotational speed of 1000 RPM and forward speed of 100 mm/min. Also, an increase of travel speed reduces deformation of the material, heat input and soft area width during the welding process and increases hardness of TMAZ and HAZ. With increasing rotational speed, heat input and soft area width increased. This will, on the one hand, decrease the hardness of TMAZ and HAZ and, on the other hand, increase the stiffness of the disturbance area. Increasing hardness also ultimately improves the tensile strength of the welding joint.

Keywords:

Paper COI Code

This Paper COI Code is JR_JEFM-1-2_003. Also You can use the following address to link to this article. This link is permanent and is used as an article registration confirmation in the Civilica reference:

https://civilica.com/doc/897115/

How to Cite to This Paper:

If you want to refer to this Paper in your research work, you can simply use the following phrase in the resources section:
Azarafza, R. and Rabieifar, A. and Rezaei, A. and Nategh, S.,1396,The Effect of Travel and Rotational Speeds on the Mechanical Properties of Al2024 in Underwater Friction Stir Welding,https://civilica.com/doc/897115

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Type of center: دانشگاه دولتی
Paper count: 9,491
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