THE NUMERICAL INVESTIGATION OF INFLUENCE OF ELECTRODE DIAMETER ON NUGGET DIAMETER AND THERMAL DISTRIBUTION IN THE RESISTANCE SPOT WELDING (RSW) OF INCONEL 625

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AHMADI ASHTIANI HAMID REZA; ZARANDOOZ ROOZBEH; SOHRABIAN MAJID

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Journal: Modares Mechanical Engineering Year:2015 | Volume:15 | Issue:8 Page(s): 116-124

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Title

THE NUMERICAL INVESTIGATION OF INFLUENCE OF ELECTRODE DIAMETER ON NUGGET DIAMETER AND THERMAL DISTRIBUTION IN THE RESISTANCE SPOT WELDING (RSW) OF INCONEL 625

Author(s)

AHMADI ASHTIANI HAMID REZA | ZARANDOOZ ROOZBEH | SOHRABIAN MAJID | Issue Writer Certificate

Keywords

RESISTANCE SPOT WELDING (RSW)Q2

FINITE ELEMENT METHOD (FEM)Q2

NUGGET SIZEQ2

ELECTRODE TIP DIAMETERQ2

INCONEL 625Q2

Abstract

Inconel 625 is nickel-based super alloy that is widely used in power plants industry, aerospace systems, and mineral industries due to its properties such as high tensile strength, high corrosion resistance and excellent fabric ability. Resistance spot welding (RSW) is one of the important joining processes for assembling super alloy sheets, due to its accuracy and high production rates. In the present research, the influences of ELECTRODE TIP DIAMETER and other RSW parameters on distribution of temperature and nugget formation are investigated by the finite element method for INCONEL 625 superalloy. The process is simulated with 2D axisymmetric coupled electro thermal and uncoupled mechanical finite element model by ABAQUS software. The diameter of computed weld nuggets is compared with experimental results and good agreement is observed. So, FE model developed in this paper provides prediction of quality and shape of the weld nuggets and temperature distributions with variation of each process parameter suitably. The results show that increasing ELECTRODE TIP DIAMETER decreases weld nugget diameter in constant welding current, but in general, the ELECTRODE TIP DIAMETER cannot be selected less than distinct value.

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APA: Copy

AHMADI ASHTIANI, HAMID REZA, ZARANDOOZ, ROOZBEH, & SOHRABIAN, MAJID. (2015). THE NUMERICAL INVESTIGATION OF INFLUENCE OF ELECTRODE DIAMETER ON NUGGET DIAMETER AND THERMAL DISTRIBUTION IN THE RESISTANCE SPOT WELDING (RSW) OF INCONEL 625. MODARES MECHANICAL ENGINEERING, 15(8), 116-124. SID. https://sid.ir/paper/179061/en

Vancouver: Copy

AHMADI ASHTIANI HAMID REZA, ZARANDOOZ ROOZBEH, SOHRABIAN MAJID. THE NUMERICAL INVESTIGATION OF INFLUENCE OF ELECTRODE DIAMETER ON NUGGET DIAMETER AND THERMAL DISTRIBUTION IN THE RESISTANCE SPOT WELDING (RSW) OF INCONEL 625. MODARES MECHANICAL ENGINEERING[Internet]. 2015;15(8):116-124. Available from: https://sid.ir/paper/179061/en

IEEE: Copy

HAMID REZA AHMADI ASHTIANI, ROOZBEH ZARANDOOZ, and MAJID SOHRABIAN, “THE NUMERICAL INVESTIGATION OF INFLUENCE OF ELECTRODE DIAMETER ON NUGGET DIAMETER AND THERMAL DISTRIBUTION IN THE RESISTANCE SPOT WELDING (RSW) OF INCONEL 625,” MODARES MECHANICAL ENGINEERING, vol. 15, no. 8, pp. 116–124, 2015, [Online]. Available: https://sid.ir/paper/179061/en

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