Optimization of Flux Cored Arc Welding Process Parameter Using Genetic and Memetic Algorithms

2013 ◽  
Vol 13 (4) ◽  
pp. 239-250 ◽  
Author(s):  
T. Kannan ◽  
N. Murugan ◽  
B. N. Sreeharan
Keyword(s):  
Arc Welding ◽  
Welding Process ◽  
Memetic Algorithms ◽  
Optimization Techniques ◽  
Low Carbon ◽  
Robotic Welding ◽  
Bead Width ◽  
Flux Cored Arc Welding ◽  
Arc Welding Process ◽  
Welding Processes

AbstractMost of the manufacturing enterprises indulge in the bonding of metals during the production process. This makes welding one of the most important processes in industries. Subsequently, due to the high usage of welding process, industrial engineers desire to optimize the parameters concerned to achieve the desired weld bead characteristics. This paper focuses on optimization of flux cored arc welding process parameters, which are used for deposition of duplex stainless steel on low carbon structural steel plates. Experiments were conducted based on central composite rotatable design and mathematical models were developed using multiple regression method. Further, optimization with objectives as minimizing percentage dilution, maximizing height of reinforcement and bead width was carried out using genetic algorithm and memetic algorithm. This problem was formulated as a multi objective, multivariable and non-linear programming problem. The algorithms were implemented using basic functions of C language making it highly reliable, adoptable, very user friendly and extendable to other welding processes such as GMAW, GTAW, robotic welding, etc. The adopted optimization techniques were further compared based on various computational factors.

Investigation of Microstructure and Hardness Properties of Hardfacing Surface on SCM 440 Alloy Steel by Using Metal Active Gas and Flux Cored Arc Welding Processes

2017 ◽  
Vol 728 ◽  
pp. 31-35 ◽  
Author(s):  
Siva Sitthipong ◽  
Prawit Towatana ◽  
Amnuay Sitticharoenchai
Keyword(s):  
Alloy Steel ◽  
Arc Welding ◽  
Welding Process ◽  
High Strength ◽  
Side Plate ◽  
Weld Metals ◽  
Flux Cored Arc Welding ◽  
The Difference ◽  
Arc Welding Process ◽  
Welding Processes

This research aimed to investigate the microstructure and hardness properties of hardfacing surface on SCM440 alloy steel by using metal active gas and flux cored arc welding processes. Due to the difficulty of welding the high strength steel, the changes in base metals’ microstructures were found after welding. Preheating the specimens at 350°C and post weld heat treatment the specimens at 550°C were performed for 1 hour, to reduce the residual stresses and avoid the undesired formation of microstructures. The weld metals’ microstructures that were found from both welding processes are acicular ferrite, polygonal ferrite and side plate ferrite. The hardness value of weld metal resulted from flux cored arc welding process is higher than that of the metal active gas welding process. Each welding process produced different quantities of weld metals’ microstructures, causing the difference in hardness values. The data will be used for investigating and improving parameters of shaft repairing, in order to use it more effectively.

scholarly journals Multivariate Stochastic Optimization Approach Applied in a Flux-Cored Arc Welding Process

IEEE Access ◽  
2020 ◽  
Vol 8 ◽  
pp. 61267-61276 ◽  
Author(s):  
Alexandre F. Torres ◽  
Franco B. Rocha ◽  
Fabricio A. Almeida ◽  
Jose H. F. Gomes ◽  
Anderson P. Paiva ◽  
...  
Keyword(s):  
Stochastic Optimization ◽  
Arc Welding ◽  
Welding Process ◽  
Optimization Approach ◽  
Flux Cored Arc Welding ◽  
Arc Welding Process

A study on quality of weld in flux cored arc welding process

2014 ◽  
Vol 4 (1/2) ◽  
pp. 81
Author(s):  
Binoy K. Biswas ◽  
Asish Bandyopadhyay ◽  
Pradip K. Pal
Keyword(s):  
Arc Welding ◽  
Welding Process ◽  
Flux Cored Arc Welding ◽  
Arc Welding Process

scholarly journals A Study on On-line Mathematical Model to Control of Bead Width for Arc Welding Process

2017 ◽  
Vol 174 ◽  
pp. 68-73 ◽  
Author(s):  
Joon Sik Son ◽  
Jong-Pyo Lee ◽  
Min-Ho Park ◽  
Byeong-Ju Jin ◽  
Tae-Jong Yun ◽  
...  
Keyword(s):  
Mathematical Model ◽  
Arc Welding ◽  
Welding Process ◽  
Bead Width ◽  
On Line ◽  
Arc Welding Process

scholarly journals Characteristics of Welding and Arc Pressure in the Plasma–TIG Hybrid Welding Process

2018 ◽  
Author(s):  
Bo Wang ◽  
Xunming Zhu ◽  
Hongchang Zhang ◽  
Hongtao Zhang ◽  
Jicai Feng
Keyword(s):  
Arc Welding ◽  
Gas Flow ◽  
Welding Process ◽  
Hybrid Welding ◽  
Plasma Arc ◽  
Arc Pressure ◽  
Arc Current ◽  
Arc Welding Process ◽  
Welding Processes

In this article, a novel hybrid welding process called plasma-TIG coupled arc welding was proposed to improve the efficiency and quality of welding by utilizing the full advantage of plasma and TIG welding processes. The two arcs of plasma and TIG were pulled into each other into one coupled arc under the effect of Lorentz force and plasma flow force during welding experiments. The arc behavior of coupled arc was studied by means of it’s arc profile, arc pressure and arc force conditions. The coupled arc pressure distribution measurements were performed. The effects of welding conditions on coupled arc pressure were evaluated and the maximum coupled arc pressure was improved compared with single-plasma arc and single-TIG arc. It was found that the maximum arc pressure was mainly determined by plasma arc current and plasma gas flow. According to the results, the proposed coupled arc welding process have both advantages of plasma arc and TIG method, and it has a broad application prospect.

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