Mathematical Modeling of FSW for AA5056 Alloy

Pavel A. Uporov; Mikhail A. Ozhegov; Evgenii N. Rylkov

doi:10.4028/p-c7cdh6

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HomeKey Engineering MaterialsKey Engineering Materials Vol. 944Mathematical Modeling of FSW for AA5056 Alloy

Mathematical Modeling of FSW for AA5056 Alloy

Abstract:

This paper presents a Computational Fluid Dynamics (CFD) model for friction spot stir welding applied to two plates made of AA5056 alloy. Welding was carried out at several speeds of rotation of the tool, while the temperature was observed from the surface of the upper plate using thermocouple. Using this temperature, the mathematical model was adjusted. Since the model is based on the CFD method, in this case the plate material was specified as a very viscous fluid, the dynamic viscosity of which depends on temperature and strain rates. Welding was carried out at several speeds of rotation of the tool, with its own model created for each speed. As a result, the temperature and dynamic viscosity distributions in the welding zone were obtained.

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Periodical:

Key Engineering Materials (Volume 944)

Pages:

77-81

DOI:

https://doi.org/10.4028/p-c7cdh6

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Online since:

April 2023

Authors:

Pavel A. Uporov*, Mikhail A. Ozhegov, Evgenii N. Rylkov

Keywords:

AA5056, Friction Stir Welding, Mathematical Modelling, Simulation

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