Prediction And Measurement Of Weld Dilution In Robotic Co2 Arc Welding

Chitrambalam, S. Thiru and Chew, Lai Huat and S. Hemavathi, - and Phang, Boo Onn and Idral, Febrian and Said, Md Radzai and Jusoff, Kamaruzaman (2013) Prediction And Measurement Of Weld Dilution In Robotic Co2 Arc Welding. World Applied Sciences Journal (WASJ). pp. 23-30. ISSN 18184952


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Weld dilution is an important feature of weld bead geometry that determines the mechanical and chemical properties of a welded joint. For robotic CO2 arc welding, several welding process parameters are reported to be controlling the dilution. This paper investigates the relationship between four of these process parameters and dilution by depositing ‘bead on plate’ robotic CO2 arc welds over mild steel plates. Two level four factor full factorial design method was used for conducting the experimental runs and linear regression models were developed accordingly. The adequacy of the models were tested by applying students ‘t’ test and the predicted values from the models were plotted against the observed values through scatter diagram. The results showed that not only the proposed two level full factorial empirical models could predict the weld dilution with reasonable accuracy and ensure uniform weld quality, but also found to be a very simple and effective tool for quantifying the main and interaction effects of welding parameters on dilution.

Item Type: Article
Uncontrolled Keywords: Robotic CO2 arc welding, Process control parameters, Weld dilution, Mathematical modeling
Divisions: Faculty of Mechanical Engineering > Department of Design and Innovation
Depositing User: Dr S.Thiru chitrambalam
Date Deposited: 12 Sep 2013 10:04
Last Modified: 03 Feb 2022 16:56
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