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Journal articles on the topic 'Response surface methodology and A - TIG welding process'

Author: Grafiati

Published: 4 June 2025

Last updated: 1 August 2025

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1

Vasantharaja, P., and M. Vasudevan. "Optimization of A-TIG welding process parameters for RAFM steel using response surface methodology." Proceedings of the Institution of Mechanical Engineers, Part L: Journal of Materials: Design and Applications 232, no. 2 (2015): 121–36. http://dx.doi.org/10.1177/1464420715619192.

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In the present work, the optimization of Activated TIG (A-TIG) welding process parameters to achieve the desired weld bead shape parameters such as depth of penetration, bead width, and heat-affected zone (HAZ) width have been carried out using response surface methodology (RSM). The main problem faced in fabrication of weld joints is the selection of optimum combination of input variables for achieving required quality of welds. This problem can be solved by development of mathematical model and execution of experiments by RSM. Central composite design of RSM has been used to generate the des

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V., M. Jamadar, and D. Awasare A. "Analysis of Tungsten Inert Gas (TIG) Welding Process Parameters for Improved Weld Quality and Efficiency." Research and Reviews: Journal of Mechanics and Machines 6, no. 1 (2024): 7–12. https://doi.org/10.5281/zenodo.10846739.

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<em>Tungsten Inert Gas (TIG) welding is a versatile joining process widely used in various industries due to its ability to produce high-quality welds with excellent mechanical properties. However, achieving optimal weld quality and efficiency requires a thorough understanding of the welding process parameters and their effects on the final weld characteristics. This paper presents a comprehensive analysis of TIG welding process parameters, including welding current, arc voltage, welding speed, shielding gas composition, and electrode material, among others. The effects of these parameters on

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Asif, Ahmad. "PROCESS PARAMETER OPTIMIZATION OF PULSED TIG WELDING USING RSM." Scientific Bulletin-University Politehnica of Bucharest 81, no. 2 (2019): 141–52. https://doi.org/10.5281/zenodo.5501167.

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Response surface methodology (RSM) is a statistical technique used to optimize the process parameter used in tungsten inert gas welding (TIG) for width of penetration (WOP). In this study influence of various input parameter were determined by using RSM. In this research design expert software 11 has been used to developed surface plot which represent the influence of various input parameter. The Surface plot obtained from Design Expert Software 11 represent that the actual value of response i.e. width of penetration (WOP) versus the predicted value of response are close to each other. The hig

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Chandra Moi, Subhas, Pradip Kumar Pal, and Asish Bandyopadhyay. "Design Optimization of TIG Welding Process for AISI 316L Stainless Steel." International Journal of Recent Technology and Engineering (IJRTE) 8, no. 2 (2019): 5348–54. http://dx.doi.org/10.35940/ijrte.b2709.078219.

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AISI 316L stainless steel materials of thickness 3 mm have been united by tungsten inert gas (TIG) welding in square butt joint configuration as per Box-Behnken design technique of response surface methodology (RSM) to indentify the effects of input parameters on the quality of the TIG welded joints. The output responses have been measured after experimentation. Mathematical correlation between input parameters and output responses has been developed using RSM. The factors which influences on responses have been analyzed by generating the response surface and contour plots. Desirability functi

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Etin-Osa, C. E., and L. M. Ebhota. "Prediction of Optimum Weld Tensile Strength Using Response Surface Methodology." European Journal of Engineering and Technology Research 6, no. 3 (2021): 81–84. http://dx.doi.org/10.24018/ejers.2021.6.3.2422.

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Metals are often subjected to various types of stresses, usually under tensile stress, quick failure of material can be encouraged especially when poor combinations of process parameters are employed in joining of the material. Tensile strength is regarded as the maximum stress that a material can sustain under tension. The aim of this study is to predict the weld tensile strength of tungsten inert gas (TIG) mild steel welds using Response Surface Methodology (RSM), with the purpose of achieving optimum results. The input parameters considered were current, voltage, and gas flow rate. Th

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Etin-Osa, C. E., and L. M. Ebhota. "Prediction of Optimum Weld Tensile Strength Using Response Surface Methodology." European Journal of Engineering and Technology Research 6, no. 3 (2021): 146–49. http://dx.doi.org/10.24018/ejeng.2021.6.3.2422.

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Metals are often subjected to various types of stresses, usually under tensile stress, quick failure of material can be encouraged especially when poor combinations of process parameters are employed in joining of the material. Tensile strength is regarded as the maximum stress that a material can sustain under tension. The aim of this study is to predict the weld tensile strength of tungsten inert gas (TIG) mild steel welds using Response Surface Methodology (RSM), with the purpose of achieving optimum results. The input parameters considered were current, voltage, and gas flow rate. Th

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Mohammed, S. Alkhaldi, A. Majeed Ali. Ali, and Khirallah Sobhi. "Impact of the Welding Parameters on the Width of the Welding beat in TIG Carbon Steel Welding." International Journal of Engineering and Advanced Technology (IJEAT) 10, no. 3 (2021): 24–29. https://doi.org/10.35940/ijeat.A1816.0210321.

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Tungsten Inert Gas (TIG) welding is otherwise known as the Gas Tungsten Arc soldering (GTAW) process which when significant levels of weld quality or high precision welding are required, is known to represent an advanced arc welding process. However the impact of the welding factors on this form of welding is important for its welding produced in single-pass welding. In this investigation, the autogenous Tungsten Inert Gas (TIG) welding was performed on a carbon mild steel plate with four parametric welding variables. High and low values of material thickness, welding current, welding speed an

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Alkhaldi, Mohammed S., Ali A. Majeed Ali, and Sobhi Khirallah. "Impact of the Welding Parameters on the Width of the Welding beat in TIG Carbon Steel Welding." International Journal of Engineering and Advanced Technology 10, no. 3 (2021): 24–29. http://dx.doi.org/10.35940/ijeat.a1816.0210321.

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Tungsten Inert Gas (TIG) welding is otherwise known as the Gas Tungsten Arc soldering (GTAW) process which when significant levels of weld quality or high precision welding are required, is known to represent an advanced arc welding process. However the impact of the welding factors on this form of welding is important for its welding produced in single-pass welding. In this investigation, the autogenous Tungsten Inert Gas (TIG) welding was performed on a carbon mild steel plate with four parametric welding variables. High and low values of material thickness, welding current, welding speed an

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Sonar, Tushar, Visvalingam Balasubramanian, Sudersanan Malarvizhi, Thiruvenkatam Venkateswaran, and Dhenuvakonda Sivakumar. "Optimization of CA-TIG welding parameters to predict and maximize tensile properties of super alloy 718 sheets for gas turbine applications." Aircraft Engineering and Aerospace Technology 94, no. 5 (2022): 806–23. http://dx.doi.org/10.1108/aeat-09-2020-0218.

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Purpose The primary objective of this investigation is to optimize the constricted arc tungsten inert gas (CA-TIG) welding parameters specifically welding current (WC), arc constriction current (ACC), ACC frequency (ACCF) and CA traverse speed to maximize the tensile properties of thin Inconel 718 sheets (2 mm thick) using a statistical technique of response surface methodology and desirability function for gas turbine engine applications. Design/methodology/approach The four factor – five level central composite design (4 × 5 – CCD) matrix pertaining to the minimum number of experiments was c

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Chandra, Moi Subhas, Rudrapati Ramesh, Pal Pradip Kumar, and Bandyopadhyay Asish. "Analysis of Impact Behaviour of TIG Weldment by Using Hybrid RSM and CSO." Strojnícky časopis - Journal of Mechanical Engineering 69, no. 4 (2019): 105–14. http://dx.doi.org/10.2478/scjme-2019-0046.

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AbstractTungsten inert gas (TIG) welding is a multi-input and multi-output variant process. The input process parameters and other factors of welding process interact in a complicated manner and influence the weld quality – directly or indirectly. Keeping this in mind, the present work has been planned to study the impact behaviour of TIG weldment through experiments, analysis and optimization. Experimental runs have been considered as per Box-Behnken design of response surface methodology (RSM). Based on the recorded data, the mathematical models have been developed to study the effect of pro

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Narayanan, Rakesh, Krishnaswamy Rameshkumar, Arangot Sumesh, Balakrishnan Shankar, and Dinu Thomas Thekkuden. "Effect of Nano TiO2 Flux on Depth of Penetration and Mechanical Properties of TIG-Welded SA516 Grade 70 Steel Joints—An Experimental Investigation." Metals 15, no. 4 (2025): 399. https://doi.org/10.3390/met15040399.

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This research investigates the application of activated tungsten inert gas (A-TIG) welding on boiler grade SA516 Grade 70 carbon steel using nano titanium dioxide (TiO2) nano flux to enhance weld penetration depth, microstructure, and mechanical properties. A unique flux application technique was devised and experiments were carried out. Response Surface Methodology (RSM) was utilized to optimize weld parameters, namely arc length, welding current, and travel speed.The selection between A-TIG and TIG welding significantly influences penetration depth, as A-TIG benefits from arc constriction an

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Alwan, Ali Hussein. "Modeling of Bending Properties of Stainless Steel 304 Sheets Welded by Tungsten Inert Gas Welding Process." Al-Khwarizmi Engineering Journal 15, no. 4 (2019): 10–22. http://dx.doi.org/10.22153/kej.2019.09.003.

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In this research, the effects of both current and argon gas pressure on the bending properties of welded joints were studied. Using the possible ranges of welding gas pressures and currents, Tungsten inert gas welding (TIG) of stainless steel (304) sheet was used to obtain their influence on the maximum bending force of the (TIG) welded joints. Design of experiment (DOE) ‘version 10' was used to determine the design matrix of experiments depending on the used levels of the input factors. Response surface methodology (RSM) technique was used to obtain an empirical mathematical model for the max

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Dasgupta, Soumojit. "Weldability Study of Aluminium Alloy AA6063 by Tungsten Inert Gas Welding and Optimization of Weld Conditions by Analytical Hierarchy Process." INTERNATIONAL JOURNAL OF SCIENTIFIC RESEARCH IN ENGINEERING AND MANAGEMENT 09, no. 05 (2025): 1–9. https://doi.org/10.55041/ijsrem47674.

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Abstract - Welding of aluminium alloys and composites is interesting research subject due to the many challenges encountered during the process. As aluminium finds several applications due to its lightness and high strength-to-weight ratio, thus welding of the same with improved weldability has remained an important area of research. Among the several welding processes, Tungsten Inert Gas (TIG) welding is widely used for welding of aluminium. In this work, AA6063 aluminium alloy samples were TIG welded using ER4043 filler material of diameter 2 mm. Central Composite Design (CCD) of Response Su

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Vora, Jay, Vivek K. Patel, Seshasai Srinivasan, et al. "Optimization of Activated Tungsten Inert Gas Welding Process Parameters Using Heat Transfer Search Algorithm: With Experimental Validation Using Case Studies." Metals 11, no. 6 (2021): 981. http://dx.doi.org/10.3390/met11060981.

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The Activated Tungsten Inert Gas welding (A-TIG) technique is characterized by its capability to impart enhanced penetration in single pass welding. Weld bead shape achieved by A-TIG welding has a major part in deciding the final quality of the weld. Various machining variables influence the weld bead shape and hence an optimum combination of machining variables is of utmost importance. The current study has reported the optimization of machining variables of A-TIG welding technique by integrating Response Surface Methodology (RSM) with an innovative Heat Transfer Search (HTS) optimization alg

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Ikponmwosa-Eweka, O. and Achebo J.I. "Application of Response Surface Methodology (RSM) TO Optimise the Heat Input During TIG Welding at Steady State Condition." Journal of Energy Technology and Environment 5, no. 1 (2023): 53–58. https://doi.org/10.5281/zenodo.7741184.

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 This study examines an application of response surface methodology to optimize heat input during TIG welding at stead state condition. The parameters considered in this study are welding current, welding voltage and welding speed. 100 pieces of mild steel coupons measuring 80 x 40 x10 were used for the experiment. The experiment was performed 20 times, using 5 specimens for each run and Argon was used as the shielding gas. Tungsten inert gas machine was utilized in joining the weld materials. The heat input was consequently determined for the weldment using results gotten from experiment

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Meseguer-Valdenebro, José, Eusebio Martínez-Conesa, Valentín Miguel-Eguíac, and Paya Valcuende. "Calculation of t8/5 by response surface methodology for electric arc welding applications." Thermal Science 18, suppl.1 (2014): 149–58. http://dx.doi.org/10.2298/tsci130418162v.

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One of the greatest difficulties traditionally found in stainless steel constructions has been the execution of welding parts in them. At the present time, the available technology allows us to use arc welding processes for that application without any disadvantage. Response surface methodology is used to optimise a process in which the variables that take part in it are not related to each other by a mathematical law. Therefore, an empiric model must be formulated. With this methodology the optimisation of one selected variable may be done. In this work, the cooling time that takes place from

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Iremia, Sunny, Izelu Okechukwu, and Omonigho Otanocha. "Parametric Analysis and Optimization of TIG Welding for Enhanced Structural Integrity of Mild-Steel Sktm13a Pipe Butt Joints." International Journal of Mechanical Engineering and Applications 13, no. 1 (2025): 27–52. https://doi.org/10.11648/j.ijmea.20251301.12.

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The structural integrity of welded joints are critical factors that influence the overall safety and durability of various engineering structures, especially in the fields of construction, automotive, and pipeline industries.. This research systematically investigate the effects and interactions of welding parameters such as welding current, welding voltage, gas flow rate and welding speed for enhanced structural integrity of mild-steel SKTM13A pipe butt joints. Central Composite Design (CCD) based Response Surface Methodology (RSM) was used to investigate and optimized these Tungsten Inert Ga

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Moi, Shubhash Chandra, Ramesh Rudrapati, Asish Bandyopadhyay, and Pradip Kumar Pal. "Parametric Studies on TIG Welding of 316L Stainless Steel by RSM and TLBO." Materials Science Forum 969 (August 2019): 744–49. http://dx.doi.org/10.4028/www.scientific.net/msf.969.744.

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Present study is planned to analyze the effects of welding process parameters on quality characteristics of TIG welded 316L austenitic stainless steels (ASS). The input parameters considered in the study are: welding current, speed and gas flow rate. Butt-joints of ASS sheets have been made as per Box-Behnken design of response surface methodology (RSM). After welding operation, tensile tests have been conducted on welded samples and observations of ultimate tensile strength (UTS) has been noted. Mathematical modeling has been made to relate the input parameters and output response by RSM. Tea

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*Ikponmwosa-Eweka, O. and Ozigagun A. "Application of Response Surface Methodology (RSM) to Predict Penetration Area During TIG Welding at Steady State Condition." Journal of Science and Technology Research 5, no. 3 (2023): 94–100. https://doi.org/10.5281/zenodo.8287093.

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<em>This study is centered on the application of response surface methodology to predict penetration area during TIG welding at steady state condition. This study developed a mathematical model using the second order quadratic polynomial model to select the best setting for the process parameters to produce the maximum penetration area in TIG welding. The parameters considered in this study are welding current, welding voltage and welding speed. The sampled steel plates were 100 pieces of mild steel coupons measuring 80 x 40 x10mm, the experiment was performed 20 times, using 5 specimens for e

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Afabor, M. A., E. Emozino, I. D. Friday, O. O. David, and A. S. Abella. "Predictive modelling of tig welding process parameters: A comparative study of Taguchi, Fuzzy Logic, and response surface methodology." Nigerian Journal of Technology 44, no. 1 (2025): 48–56. https://doi.org/10.4314/njt.v44i1.6.

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The optimisation design approach has garnered significant attention in experimental design due to its ability to develop unique designs that align with specific experimental objectives. Welding has been a unique joining process applied across various engineering fields. Optimisation of the welding process can significantly affect the quality of the welded joint. However, the choice of which optimisation technique to deploy for an experimental process is often a random decision taken by researchers. The aim of this study, therefore, is to perform a comparative study of the Taguchi, fuzzy, and r

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Singh, Pritam. "Weldability Study of Tungsten Inert Gas Welded Al-8%SiC Metal Matrix Composite Using Response Surface Methodology." INTERNATIONAL JOURNAL OF SCIENTIFIC RESEARCH IN ENGINEERING AND MANAGEMENT 09, no. 06 (2025): 1–9. https://doi.org/10.55041/ijsrem49916.

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Abstract - Over the years Metal Matix Composite (MMC) has developed into a very essential material for modern manufacturing processes. Particularly aluminium based MMCs have a widespread importance due to their physical and chemical properties which make them applicable for aviation and aerospace industries. Manufacturing and processing in these industries involve joining procedures, wherein welding plays a primary role. This paper investigates on the weldability of Al-8%SiC MMC by using Tungsten Inert Gas (TIG) welding process. Autogeneous bead on plate TIG welding was performed using argon (

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Abdullah, Abdullah, Shahid Mehmood, and Rana Atta Ur Rahman. "Investigating parametric effects during TIG welding of dissimilar metals." Mehran University Research Journal of Engineering and Technology 43, no. 1 (2024): 165. http://dx.doi.org/10.22581/muet1982.2401.2969.

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This paper explores the optimization of Tungsten-Inert-Gas (TIG) welding process parameters for creating a hybrid structure of Aluminium 6061 and Stainless Steel 304 using a copper filler rod (ER-Cu). The Welding of these two materials has industrial relevance owing to its weight reduction capabilities and environmental benefits. However, Aluminium and Stainless-Steel have different melting points and thermal properties. Aluminium has twice coefficient of thermal expansion and six times coefficient of thermal conductance as compared to Stainless-Steel. This difference often results in residual

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Ozigagun, Andrew, and Raphael Biu. "Central Composite Design Approach to Minimize HAZ of TIG Weldments." European Journal of Engineering and Technology Research 4, no. 9 (2019): 149–52. http://dx.doi.org/10.24018/ejeng.2019.4.9.1496.

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Welding is a multi-input multi-output fabrication process, which requires a multi-response optimization technique. In this present work, the effect of heat affected zone and percentage dilution on the quality of Tungsten Inert Gas welded joints was investigated using mild steel plates. The Central Composite Design matrix was adopted to perform the welding experiment and collect the data, thereafter Response Surface Methodology (RSM) models was employed to minimize heat affected zone and percentage dilution with very significant statistical results. The result shows that the quadratic model was

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Igbinake, Augustine. "Estimation of Solidus and Liquidus Temperature of TIG Mild Steel (S275) Using Response Surface Methodology." American Journal of Mechanical and Materials Engineering 9, no. 2 (2025): 57–63. https://doi.org/10.11648/j.ajmme.20250902.13.

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The solidus and liquidus temperatures are critical parameters in materials science, particularly for alloys, defining the boundaries between solid and liquid phases during melting and solidification. The solidus is the highest temperature at which an alloy is excellent, and the liquidus is the lowest temperature at which an alloy is completely liquid. Understanding these temperatures is crucial for processes like casting, brazing, and materials&apos; behavior under high temperatures. This research aims to estimate the solidus and liquidus temperatures of mild steel (S275) weld metal by app

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Osadiaye, N. H., and J. I. Achebo. "Use of Tungsten Inert Gas Welding on Mild Steel Weldment to Optimize Welding Process Variables on Electrode Melting Rate." Journal of Applied Sciences and Environmental Management 28, no. 9 (2024): 2641–48. http://dx.doi.org/10.4314/jasem.v28i9.6.

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One of the most crucial factors taken into account when evaluating the performance of Tungsten Inert Gas (TIG) welding is the Electrode Melting Rate, which shows how much of the heat deposited by the welding operation is used to generate melting. A dense weld pool forms in the field of welding when there is a good melting rate. Therefore, this paper investigates the use of tungsten inert gas welding on mild steel weldment to optimize welding process variables on electrode melting rate employing Artificial Neural Networks and Response Surface Methodology in the analysis. The ideal electrode mel

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Ozigagun, Andrew, and Raphael Biu. "A Central Composite Design Approach to Minimize HAZ of TIG Weldments." European Journal of Engineering Research and Science 4, no. 9 (2019): 149–52. http://dx.doi.org/10.24018/ejers.2019.4.9.1496.

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Welding is a multi-input multi-output fabrication process, which requires a multi-response optimization technique. In this present work, the effect of heat affected zone and percentage dilution on the quality of Tungsten Inert Gas welded joints was investigated using mild steel plates. The Central Composite Design matrix was adopted to perform the welding experiment and collect the data, thereafter Response Surface Methodology (RSM) models was employed to minimize heat affected zone and percentage dilution with very significant statistical results. The result shows that the quadratic model was

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He, Huan, Xu Tian, Xiaoyang Yi, et al. "Optimization of Joining Parameters in Pulsed Tungsten Inert Gas Weld Brazing of Aluminum and Stainless Steel Based on Response Surface Methodology." Coatings 14, no. 10 (2024): 1262. http://dx.doi.org/10.3390/coatings14101262.

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Combining aluminum and steel offers a promising solution for reducing structural weight and fuel consumption across various industries. Pulse in tungsten inert gas (TIG) weld brazing effectively suppresses interfacial brittle intermetallics and enhances joint strength by influencing pool stirring and heat input during aluminum-to-steel joining. However, optimizing the pulsed TIG weld brazing process is challenging due to its numerous welding parameters. This study established statistical models for Al/steel joint strength without reinforcement using response surface methodology (RSM) based on

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Igbinake, Augustine. "Estimation and Optimization of Specific Heat of TIG Weld of Mild Steel (s275) Using Response Surface Methodology." Applied Engineering 9, no. 1 (2025): 37–44. https://doi.org/10.11648/j.ae.20250901.13.

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Specific heat, an intrinsic thermal property, represents the amount of heat energy required to raise the temperature of a substance by one degree Celsius. Accurate estimation of specific heat in welded metals is crucial for understanding thermal behavior during and after welding processes, especially in applications where temperature control and energy efficiency are essential. This study focuses on the prediction and optimization of the specific heat of mild steel weldments using Response Surface Methodology (RSM), a statistical technique for modeling and analyzing the effects of multiple var

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Sattarpanah Karganroudi, Sasan, Mahmoud Moradi, Milad Aghaee Attar, et al. "Experimental and Numerical Analysis on TIG Arc Welding of Stainless Steel Using RSM Approach." Metals 11, no. 10 (2021): 1659. http://dx.doi.org/10.3390/met11101659.

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This study involves the validating of thermal analysis during TIG Arc welding of 1.4418 steel using finite element analyses (FEA) with experimental approaches. 3D heat transfer simulation of 1.4418 stainless steel TIG arc welding is implemented using ABAQUS software (6.14, ABAQUS Inc., Johnston, RI, USA), based on non-uniform Goldak’s Gaussian heat flux distribution, using additional DFLUX subroutine written in the FORTRAN (Formula Translation). The influences of the arc current and welding speed on the heat flux density, weld bead geometry, and temperature distribution at the transverse direc

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El-Zathry, N. E., A. I. Hassan, A. A. El-Betar, and I. Sabry. "Optimization of friction stir welding AA6082-T6 parameters using analysis of variance and grey relational analysis." Journal of Physics: Conference Series 2299, no. 1 (2022): 012015. http://dx.doi.org/10.1088/1742-6596/2299/1/012015.

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Abstract Friction stir welding (FSW) is a solid-state welding process, which has a significant role in solid-state welding processes for nonferrous alloys. Conventional arc welding processes for aluminum alloys such as metal inert gas (MIG) and tungsten inert gas (TIG) are replaced by FSW. The effect of FSW parameters such as rotational and traverse speeds, tool geometry, plunge depth, tilt angle, etc., on weld quality were considered in several optimization studies. Hence, the effect of fixture position is included in this study. Multi-criteria decision-making (MDCM) techniques such as grey r

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Moi, Subhas Chandra, Pradip Kumar Pal, Asish Bandyopadhyay, and Ramesh Rudrapati. "Determination of Tungsten Inert Gas Welding Input Parameters to Attain Maximum Tensile Strength of 316L Austenitic Stainless Steel." Strojnícky casopis – Journal of Mechanical Engineering 68, no. 3 (2018): 231–48. http://dx.doi.org/10.2478/scjme-2018-0037.

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AbstractWeld quality mainly depends on the weld bead geometry and mechanical-metallurgical characteristics of the welded joint which has a direct relationship with the type of welding process being used and its input process parameters i.e. welding current, arc voltage, travel speed etc. In the present study, determination of tungsten inert gas (TIG) welding input parameters for achieving maximum tensile strength of 316L austenitic stainless steel is investigated. Box-Behnken design of response surface methodology has been employed to formulate the experimental plan to identify the effect of p

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Santhana Babu, A. V., P. K. Giridharan, P. Ramesh Narayanan, and S. V. S. Narayana Murty. "Prediction of Bead Geometry for Flux Bounded TIG Welding of AA 2219-T87 Aluminum Alloy." Journal of Advanced Manufacturing Systems 15, no. 02 (2016): 69–84. http://dx.doi.org/10.1142/s0219686716500074.

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To improve penetration capability of Tungsten Inert Gas (TIG) process, Flux Bounded TIG (FBTIG) is investigated in aluminum alloy AA 2219 T87. Characterization of this process is essential to predict and control the weld bead quality. For characterization, design of experiments based on central composite rotatable design is employed for the experiments. Response Surface Methodology (RSM) is used to develop a mathematical model to correlate the bead geometry with controllable process variables. The model developed is checked for its adequacy by regression by using the [Formula: see text]-test a

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Desikan, Sriram, Kalaiselvan SP, Ramesh Babu R, et al. "The Role of Nanoparticle Based Coating in Optimizing TIG Welding Parameters for EN31 Steel." E3S Web of Conferences 588 (2024): 03020. http://dx.doi.org/10.1051/e3sconf/202458803020.

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This study investigates the optimization of process parameters in TIG welding of EN31 steel alloys, incorporating nano-enhanced materials to improve performance in sustainable manufacturing and energy-efficient applications. The three key input variables considered are welding current (CT), welding speed (WD), and gas flow rate (GF), while tensile strength (TS) and hardness (HS) are taken as output responses. The experiment was designed using the Central Composite Design (CCD) under the Response Surface Methodology (RSM) framework, with 20 experiments conducted. Nanoparticle (TiO2 & B4C) w

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Arunmani, A., and T. Senthilkumar. "Enhancing corrosion resistance of A-TIG welded UNS S32750 joints by optimizing its technological parameters." Chemical Industry and Chemical Engineering Quarterly 26, no. 3 (2020): 249–57. http://dx.doi.org/10.2298/ciceq190419001a.

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In this paper, an attempt was made to improve the corrosion resistance of activated tungsten inert gas welded super duplex stainless steel such as UNS S 32750. Joints were fabricated by fluctuating the important process parameters such as welding speed, shielding gas flow rate and welding current, using NiO as activation flux. A central composited design model was developed for identification of the Activated Tungsten Inert Gas welding process parameter values for fabricating twenty joints. The welded joints were subjected to pitting corrosion test using an electrochemical corrosion testing sy

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Maduraimuthu, V., P. Vasantharaja, M. Vasudevan, and B. S. Panigrahi. "Optimization of A-TIG Welding Process Parameters for P92 (9Cr-0.5Mo-1.8W-VNb) Steel by Using Response Surface Methodology." Materials Performance and Characterization 8, no. 4 (2019): 20180066. http://dx.doi.org/10.1520/mpc20180066.

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Ghaffarpour, Morteza, Mohammad Kazemi, Mohammad Javad Mohammadi Sefat, Ahmad Aziz, and Kamran Dehghani. "Evaluation of dissimilar joints properties of 5083-H12 and 6061-T6 aluminum alloys produced by tungsten inert gas and friction stir welding." Proceedings of the Institution of Mechanical Engineers, Part L: Journal of Materials: Design and Applications 231, no. 3 (2015): 297–308. http://dx.doi.org/10.1177/1464420715595652.

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In the present study, friction stir welding (FSW) and tungsten inert gas (TIG) techniques were used to join the dissimilar aluminum alloys of 5083-H12 and 6061-T6. The laboratory tests were designed using design of experiment (DOE) method. Variables for the FSW process were the rotational speed, traverse speed, shoulder diameter, and pin diameter. They changed in ranges of 700–2500 r/min, 25–400 mm/min, 10–14 mm, and 2–4 mm, respectively. In the case of TIG process, the variables were current intensity, traverse speed, and tilt angle. These parameters varied from 80 to 90 A, 200 to 400 mm/min,

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Liu, Bang, Jun Lan, Hongqiang Liu, et al. "The Effects of Processing Parameters during the Wire Arc Additive Manufacturing of 308L Stainless Steel on the Formation of a Thin-Walled Structure." Materials 17, no. 6 (2024): 1337. http://dx.doi.org/10.3390/ma17061337.

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Wire arc additive manufacturing (WAAM) excels in producing medium to large components with a high deposition rate. Process optimization is crucial for uniform, defect-free components. This research employs orthogonal experimental design and response surface methodology (RSM) to control TIG WAAM-ed 308L stainless steel components. Varied parameters, including tungsten electrode angle, welding current, and speed, target weld bead attributes. Analysis of variance (ANOVA) evaluates multi-processing parameter influence on weld bead formation. Comparison with experimental results confirms accurate m

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Tomić, Tanja, Lidija Tepeš Golubić, Janja Žiljak Gršić, and Matija Bušić. "Application of Response Surface Methodology in the Analysis of Weldability Test Results on X80 Steel." Tehnički glasnik 17, no. 4 (2023): 486–92. http://dx.doi.org/10.31803/tg-20220720154258.

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Engineering research is bases on experiments that give answers how different influential process factors can impact an outcome. Therefore, the research plot has to be designed in order to capture a valid analysis of the results. Many research project use research methodologies as a help to reach the answers in a technical point of view and to determinate the laws of the controlled input variables on the experimental outcome. This paper will show a realistic usage of the response surface methodology with an CCD experimental plan for 2 influence factors on a welding example using FCAW welding pr

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Melad, Mohamed S., Mohamed A. Gebril, Farag M. Shuaeib, Rafaa M. Esmaael, and Mohamed A. El-Hag. "An In-Depth Investigation of the Effects of Tungsten Inert Gas Welding Process Parameters on Hardness and Corrosion Resistance of 2205 DSS Weldments: New Design of Experiment Parametric Studies and Optimization." International Journal of Engineering Research in Africa 69 (May 21, 2024): 47–69. http://dx.doi.org/10.4028/p-mhdf4l.

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The aim of this work is to examine and analyze, using response surface methodology, how the TIG welding process parameters of welding current (WC), welding speed (WS), and N2 with argon as shielding gas affect the hardness and corrosion resistance of 2205 DSS weldments. Due to the equal amounts of ferrite and austenite phases and alloying elements, duplex stainless steel DSS offers good mechanical properties and corrosion resistance. The mechanical characteristics and resistance to corrosion of the weld zone, as well as the heat-affected zone of the DSS, are, however, disturbed as a result of

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Ahmad, Asif, and Shahnawaj Alam. "Parametric optimization of TIG welding using Response Surface Methodology." Materials Today: Proceedings 18 (2019): 3071–79. http://dx.doi.org/10.1016/j.matpr.2019.07.179.

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Baisukhan, Adirek, Wasawat Nakkiew, and Nuttachat Wisittipanit. "Optimization of Tungsten Inert Gas Welding Process Parameters for AISI 304 Stainless Steel." Defect and Diffusion Forum 417 (June 28, 2022): 23–28. http://dx.doi.org/10.4028/p-p6v0i6.

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Tungsten Inert Gas welding process (TIG) has been widely used in industries. A robotic arm has been adopted in the industry with objectives to replace or efficiently improved some severe welding conditions where it is dangerous for human and to increase productivity and quality. This research is aimed to find the optimal conditions of TIG welding process on AISI 304 stainless steel. The design of experiments used a statistical method to determine the optimal TIG welding conditions providing the strongest tensile strength across the weldment. The fractional factorial experimental design and the

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Khan, FN, Massab Junaid, MN Baig, and J. Haider. "Response surface approach to minimize the residual stresses in full penetration pulsed TIG weldments of Ti-5Al-2.5Sn alloy." Proceedings of the Institution of Mechanical Engineers, Part C: Journal of Mechanical Engineering Science 233, no. 8 (2018): 2778–93. http://dx.doi.org/10.1177/0954406218793440.

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Pulsation of current in tungsten inert gas (TIG) welding is employed to obtain good quality weldments. Peak current, background current, and welding speed in TIG welding are important parameters and their effects on the induced residual stresses are studied using Box–Behnken design methodology. The location of maximum residual stress was found to be close to the weld centerline. Longitudinal and transverse residual stresses at this location were found to be dependent on the pulsed TIG welding input parameters. However, using design of experiment approach, welding speed was found to have the mo

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Srivastava, Shekhar, Sandeep Kumar, and Rajiv Kumar Garg. "A multi-objective optimisation of TIG welding parameters using response surface methodology." International Journal of Computer Aided Engineering and Technology 14, no. 4 (2021): 575. http://dx.doi.org/10.1504/ijcaet.2021.115363.

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Kumar, Sandeep, Rajiv Kumar Garg, and Shekhar Srivastava. "A multi-objective optimization of TIG welding parameters using Response Surface Methodology." International Journal of Computer Aided Engineering and Technology 13, no. 1 (2021): 1. http://dx.doi.org/10.1504/ijcaet.2021.10021175.

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Saadi, Tahar, Mohamed Farid Benlamnouar, Nabil Bensaid, Amar Boutaghane, Mohamed Amine Soualili, and Hania Hachemi. "Optimization of Automatic TIG Welding Parameters of AISI 304L ASS Welds Using Response Surface Methodology." Defect and Diffusion Forum 406 (January 2021): 319–33. http://dx.doi.org/10.4028/www.scientific.net/ddf.406.319.

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The present study, aims to investigate, under welding parameters of current, voltage and gas flow, the effects of welding parameters on tensile strength of AISI 304L ASS welds using response surface methodology (RSM). The RSM and variance analysis (ANOVA) were used to check the validity of quadratic regression model and to determine the significant parameter affecting tensile strength of welds. Hence, ANOVA clearly revealed that the contribution of each factor is 71.40% of voltage, 19.2% of current and 8.30% of gas flow. It was found that combined contributions of welding parameters contribute

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Saadi, Tahar, Mohamed Farid Benlamnouar, Nabil Bensaid, Amar Boutaghane, Mohamed Amine Soualili, and Hania Hachemi. "Optimization of Automatic TIG Welding Parameters of AISI 304L ASS Welds Using Response Surface Methodology." Defect and Diffusion Forum 406 (January 2021): 319–33. http://dx.doi.org/10.4028/www.scientific.net/ddf.406.319.

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The present study, aims to investigate, under welding parameters of current, voltage and gas flow, the effects of welding parameters on tensile strength of AISI 304L ASS welds using response surface methodology (RSM). The RSM and variance analysis (ANOVA) were used to check the validity of quadratic regression model and to determine the significant parameter affecting tensile strength of welds. Hence, ANOVA clearly revealed that the contribution of each factor is 71.40% of voltage, 19.2% of current and 8.30% of gas flow. It was found that combined contributions of welding parameters contribute

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Vidyarthy, Ravi Shanker, Dheerendra Kumar Dwivedi, and Vasudevan Muthukumaran. "Optimization of A-TIG process parameters using response surface methodology." Materials and Manufacturing Processes 33, no. 7 (2017): 709–17. http://dx.doi.org/10.1080/10426914.2017.1303154.

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Hu, Yang, Weichi Pei, Hongchao Ji, Rongdi Yu, and Shengqiang Liu. "Tungsten Inert Gas Welding of 6061-T6 Aluminum Alloy Frame: Finite Element Simulation and Experiment." Materials 17, no. 5 (2024): 1039. http://dx.doi.org/10.3390/ma17051039.

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In order to address the irregularity of the welding path in aluminum alloy frame joints, this study conducted a numerical simulation of free-path welding. It focuses on the application of the TIG (tungsten inert gas) welding process in aluminum alloy welding, specifically at the intersecting line nodes of welded bicycle frames. The welding simulation was performed on a 6061-T6 aluminum alloy frame. Using a custom heat source subroutine written in Fortran language and integrated into the ABAQUS environment, a detailed numerical simulation study was conducted. The distribution of key fields duri

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Bello, Kamilu Adeyemi, Md Abdul Maleque, Zuraida Ahmad, and Shahjahan Mridha. "Optimization of Hardness Behaviour of TIG Modified Ceramic Coating Using the Taguchi Approach." Advanced Materials Research 1115 (July 2015): 238–42. http://dx.doi.org/10.4028/www.scientific.net/amr.1115.238.

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The increasing need for energy efficient tribo-composite surfaces has led to the enhancement of surface properties of engineering components through parameter processing control. This study was carried out to investigate the hardness behaviour of low alloy steel (LAS) surface modified with TiC under a tungsten inert gas (TIG) arc torch. The effects of welding current, traversing speed, arc voltage and argon flow rate on surface hardness during the surface alloying treatment were analyzed using Taguchi’s experimental design. The hardness behaviour of the TIG-processed composite coating was asse

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Oyinbade A.A, Imoukhuede K.A, and Akadri A.O. "MAXIMIZATION OF COMPRESSIVE STRENGTH IN TIG WELDING OF MILD STEEL USING RESPONSE SURFACE METHODOLOGY." international journal of engineering technology and management sciences 7, no. 1 (2023): 325–31. http://dx.doi.org/10.46647/ijetms.2023.v07i01.049.

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Welding defects influence the desired properties of welded joints giving fabrication experts a common problem of not being able to produce weld structures with optimal strength and quality. In this study, fatigue was minimized using artificial intelligence such as the Response Surface Methodology An optimal design of experiment was developed which was used as a guiding plan to conduct the experiment., thereafter a second order polynomial l model was developed which was used to minimize the fatigue with very significant statistical results. The result shows that the quadratic model was the most

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