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Metals 2017, 7(11), 491;

Experimental Validation of an FSW Model with an Enhanced Friction Law: Application to a Threaded Cylindrical Pin Tool

International Center for Numerical Methods in Engineering (CIMNE), Universidad Politécnica de Cataluña, Campus Norte UPC, 08034 Barcelona, Spain
Sapa AB Technology, Kanalgatan 1, 612 81 Finspang, Sweden
Author to whom correspondence should be addressed.
Received: 6 October 2017 / Revised: 3 November 2017 / Accepted: 6 November 2017 / Published: 10 November 2017
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This work adopts a fast and accurate two-stage computational strategy for the analysis of FSW (Friction stir welding) processes using threaded cylindrical pin tools. The coupled thermo-mechanical problem is equipped with an enhanced friction model to include the effect of non-uniform pressure distribution under the pin shoulder. The overall numerical strategy is successfully validated by the experimental measurements provided by the industrial partner (Sapa). The verification of the numerical model using the experimental evidence is not only accomplished in terms of temperature evolution but also in terms of torque, longitudinal, transversal and vertical forces. View Full-Text
Keywords: FSW; threaded pin; numerical model; experimental validation FSW; threaded pin; numerical model; experimental validation

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Dialami, N.; Cervera, M.; Chiumenti, M.; Segatori, A.; Osikowicz, W. Experimental Validation of an FSW Model with an Enhanced Friction Law: Application to a Threaded Cylindrical Pin Tool. Metals 2017, 7, 491.

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