The Effect of Friction Coefficient in Thermal Analysis of Friction Stir Welding (FSW)

Bahman Meyghani; Mokhtar B. Awang; Raoof Gholami Mian Poshteh; Mohammadsadegh Momeni; Saeid Kakooei; Zakaria Hamdi

doi:10.1088/1757-899X/495/1/012102

The Effect of Friction Coefficient in Thermal Analysis of Friction Stir Welding (FSW)

Bahman Meyghani, Mokhtar B. Awang, Raoof Gholami Mian Poshteh, Mohammadsadegh Momeni, Saeid Kakooei, Zakaria Hamdi

School of Energy, Geoscience, Infrastructure and Society

Research output: Contribution to journal › Conference article › peer-review

18 Citations (Scopus)

57 Downloads (Pure)

Abstract

The process of Friction Stir Welding (FSW) can be deeply investigated with the help of finite element modelling. In reality, the friction coefficient would decrease, because as the temperature rises the material becomes softer and weaker. However, past studies often presumed that the friction coefficient is a constant value, a presumption which consequently led to a disparity between the reality and the simulated model. This paper investigates the effect of applying temperature dependent and constant friction coefficient values to thermal behaviour during FSW. The comparisons between different models was done, and it was shown that the achieved temperature is affected by the friction coefficient. After comparing the results of models with results from experiments, it is concluded that the model in which temperature dependent values were applied is the most realistic one.

Original language	English
Article number	012102
Journal	IOP Conference Series: Materials Science and Engineering
Volume	495
Issue number	1
DOIs	https://doi.org/10.1088/1757-899X/495/1/012102
Publication status	Published - 1 Apr 2019
Event	11th Curtin University Technology, Science and Engineering International Conference 2018 - Miri, Sarawak, Malaysia Duration: 26 Nov 2018 → 28 Nov 2018

Keywords

Finite Element Modelling
Friction Coefficient
Friction Stir Welding
Thermal Analysis

ASJC Scopus subject areas

General Materials Science
General Engineering

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10.1088/1757-899X/495/1/012102Licence: CC BY

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Cite this

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abstract = "The process of Friction Stir Welding (FSW) can be deeply investigated with the help of finite element modelling. In reality, the friction coefficient would decrease, because as the temperature rises the material becomes softer and weaker. However, past studies often presumed that the friction coefficient is a constant value, a presumption which consequently led to a disparity between the reality and the simulated model. This paper investigates the effect of applying temperature dependent and constant friction coefficient values to thermal behaviour during FSW. The comparisons between different models was done, and it was shown that the achieved temperature is affected by the friction coefficient. After comparing the results of models with results from experiments, it is concluded that the model in which temperature dependent values were applied is the most realistic one.",

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AU - Meyghani, Bahman

AU - Awang, Mokhtar B.

AU - Poshteh, Raoof Gholami Mian

AU - Momeni, Mohammadsadegh

AU - Kakooei, Saeid

AU - Hamdi, Zakaria

PY - 2019/4/1

Y1 - 2019/4/1

N2 - The process of Friction Stir Welding (FSW) can be deeply investigated with the help of finite element modelling. In reality, the friction coefficient would decrease, because as the temperature rises the material becomes softer and weaker. However, past studies often presumed that the friction coefficient is a constant value, a presumption which consequently led to a disparity between the reality and the simulated model. This paper investigates the effect of applying temperature dependent and constant friction coefficient values to thermal behaviour during FSW. The comparisons between different models was done, and it was shown that the achieved temperature is affected by the friction coefficient. After comparing the results of models with results from experiments, it is concluded that the model in which temperature dependent values were applied is the most realistic one.

AB - The process of Friction Stir Welding (FSW) can be deeply investigated with the help of finite element modelling. In reality, the friction coefficient would decrease, because as the temperature rises the material becomes softer and weaker. However, past studies often presumed that the friction coefficient is a constant value, a presumption which consequently led to a disparity between the reality and the simulated model. This paper investigates the effect of applying temperature dependent and constant friction coefficient values to thermal behaviour during FSW. The comparisons between different models was done, and it was shown that the achieved temperature is affected by the friction coefficient. After comparing the results of models with results from experiments, it is concluded that the model in which temperature dependent values were applied is the most realistic one.

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KW - Friction Coefficient

KW - Friction Stir Welding

KW - Thermal Analysis

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The Effect of Friction Coefficient in Thermal Analysis of Friction Stir Welding (FSW)

Abstract

Keywords

ASJC Scopus subject areas

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