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Abstract
In this study, the effects of the traverse and rotational velocities of the noncontact shoulder tool on the heat generation and heated flux during the friction stir joining of high-density polyamide 6 (PA6) polymer were investigated. The computational fluid dynamics (CFD) method was employed to simulate the thermomechanical phenomena during the friction stir joining (FSJ) process of PA6. A developed model was used to consider the void formation and thermochemical properties of PA6. The surface and internal heat flow, material flow, and geometry of the joint were simulated, and an experimental study evaluated the simulation results. The simulation results indicated that the stir zone formed was smaller than regular joints with a noncontact shoulder tool. Despite the polymer’s traditional FSJ, heat generation and material flow do not differ significantly between advancing and retreating sides. On the other hand, the surface flow is not formed, and the surface temperature gradient is in a narrow line behind the tool. The material velocity increased at higher rotational speed and lower transverse velocity and in the stir zone with more giant geometry forms. The maximum generated heat was 204 C, and the maximum material velocity was predicted at 0.44 m/s in the stir zone, achieved at 440 rpm and 40 mm/min tool velocities.
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Authors (5)
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Raheem Al-Sabur
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Hassanein I. Khalaf
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Hesamoddin Aghajani Derazkola
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Full text
- Publication version
- Accepted or Published Version
- DOI:
- Digital Object Identifier (open in new tab) 10.3390/ma15124214
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- Category:
- Articles
- Type:
- artykuły w czasopismach
- Published in:
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Materials
no. 15,
ISSN: 1996-1944 - Language:
- English
- Publication year:
- 2022
- Bibliographic description:
- Al-Sabur R., Khalaf H. I., Świerczyńska A., Rogalski G., Derazkola H. A.: Effects of Noncontact Shoulder Tool Velocities on Friction Stir Joining of Polyamide 6 (PA6)// Materials -Vol. 15,iss. 12 (2022), s.4214-
- DOI:
- Digital Object Identifier (open in new tab) 10.3390/ma15124214
- Verified by:
- Gdańsk University of Technology
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