Indian Welding Journal

Open Access Open Access  Restricted Access Subscription Access
Open Access Open Access Open Access  Restricted Access Restricted Access Subscription Access

Experimental Investigation of TIG Welding on Duplex Stainless Steel


Affiliations
1 Department of Mechanical Engineering, Haldia Institute of Technology, Haldia- 721657, India
2 Department of Mechanical Engineering, Jadavpur University, Kolkata- 700032, India
     

   Subscribe/Renew Journal


Duplex stainless steel has the inimitable arrangement of two phase microstructure of 50% δ-ferrite and 50% austenite. TIG welding on DSS is more easy, comfortable and useful, if the process is precisely understood and controlled through development of the science & technology of the process in the context of DSS welding by extensive research. In present work, influence of welding current, speed of TIG welding and gas flow rate on quality of DSS weld has been examined through valuable experiments. After experiment its analysis has been done. A design of experimentations has been used which is constructed upon the Taguchi technique. Experimental data has been analyzed by Principal Component Method. Investigation of present-day experiments is scheduled to have various perceptions of Butt joints of TIG welding between UNS2205 duplex stainless steel (DSS) plates. The sole aim of the current investigation is to use the Taguchi analysis, in order to create the optimum combination of controllable factors for Tungsten Inert Gas (TIG) Welding on 2205 DSS. The Taguchi analysis is used to define the optimum design set indices like welding current, shielding gas flow rate and speed of the welding. The experimental readings have been studied; inferred and evaluated with the help of ultimate tensile strength, yield strength, percentage of elongation integrated with the help of Principal Component Analysis (PCA) technique. Butt welding joints of 2205 duplex stainless steel plates have been made. Recently, DSS weld has made sufficient responsiveness in many avenues, such as in oil and gas industries, water purification plants etc. The Principal Component Analysis technique is used to find the optimum set.

Keywords

Optimization, Butt Joint, Duplex Stainless Steel, TIG Welding, Tensile Test, Principal Component Analysis (PCA).
User
Subscription Login to verify subscription
Notifications
Font Size

  • Diaz JJDC, Rodriguez PM, Nieto PJG and Castro-Fresno D (2010); Comparative analysis of TIG welding distortions between austenitic and duplex stainless steels by FEM, Applied Thermal Engineering, 30, pp. 2448-2459.

  • www.outokumpu.com/.../outokumpu-duplex-stainlesssteeldata-sheet.

  • Eriksson H and Bernhardsson S, (1991); The applicability of duplex stainless steels in sour environments, Journal of Corrosion, 47(9), pp. 719-727.

  • Muthupandi V, Srinivasan PB and Seshadri SK, (2003); Effect of Weld metal chemistry and heat input on the structure and properties of duplex stainless steel Weld, Materials Science and Engineering A, 358 (1-2), pp. 9-16.

  • Tsann-Shyi C, Kuang-Hung T and Hsien-Lung T, (2011); Study of the characteristics of duplex stainless steel activated tungsten inert gas welds, Materials and Design, 32(1), pp. 255-263.

  • Parmar RS, (2003); Welding engineering and technology, 2nd edition, New Delhi, Khanna Publishers.

  • Yan J, Gao M and Zeng X (2010); Study on microstructure and mechanical properties of 304 stainless steel joints by TIG, laser and laser-TIG hybrid welding, Optics and Lasers in Engineering, 48, pp. 512–517.

  • Sakthivel T, Vasudevan M, Laha K, Parameswaran P, Chandravathi KS, Mathew MD and Bhaduri AK, (2011); Comparison of creep rupture behaviour of type 316L(N) austenitic stainless steel Joints welded by TIG and activated TIG welding processes, Materials Science and Engineering, 528, pp. 6971– 6980.

  • Practical guidelines for the fabrication of duplex stainless steel published by International molybdenum association (IMOA), London and UK, (2014); 3rd edition.

  • www.pennstainless.com/stainless.../duplex.../duplex 2304-stainless-steel.

  • Zou Y, Ueji R and Fujii H (2015); Mechanical properties of advanced active -TIG welded duplex stainless steel and ferrite steel, Journal of Materials Characterization, 620, pp. 40–148.

  • Lakshminarayanan A K , Shanmugam K and Balasubramanian V (2009); Effect of welding processes on tensile and impact properties, hardness and microstructure of AISI 409M ferrite stainless joints fabricated by duplex stainless steel filler metal, Iron and Steel Research International, 16(5), pp. 66-72.

  • Staffan H, Paulo JF and Bengt B (1997); An experimental and theoretical study of heat-affected zone austenite reformation in three duplex stainless steels, Metallurgy and Materials Transactions A, 28A, pp. 277-285.

  • Alvarez-Armas I (2008); Duplex stainless steels: brief history and some recent alloys recent patents on mechanical engineering, 1, pp. 51-57.

  • Badjia R, Bacroixb B and Bouabdallahc M (2011); Texture, microstructure and anisotropic properties in annealed 2205 duplex stainless steel welds, Journal of Materials Characterization, 62, pp. 833-843.

  • www.megamex.com/duplex_2507.htm.

  • Buddu RK, Chauhan N and Raole PM (2014); Mechanical properties and micro structural investigations of TIG welded 40 mm and 60 mm thick SS 316L samples for fusion reactor vacuum vessel applications, Fusion Engineering and Design, 89, pp.3149–3158.

  • Tavares SSM, Terra VF, Parada JM, Cindra MP and Fonseca (2005); Influence of the microstructure on the toughness of a duplex stainless steel UNS S31803, Journal of Materials Science, 40, pp.145-154.

  • Magudeeswaran G, Nair SR, Sundar L and Harikannan N (2014); Optimization of process parameters of the activated tungsten inert gas welding for aspect ratio of UNS S32205 duplex stainless steel welds, Journal of Defense Technology, 10, pp.251-260.

  • Tarng YS and Yang WH (1998); Optimization of the weld bead geometry in gas tungsten arc welding by the Taguchi method, Advanced Manufacturing Technology, 14 pp. 549-554.

  • Esme U, Bayramoglu M, Coglu YK and Ozgun S (2009); Optimization of weld bead geometry in TIG welding process using Grey relation analysis an Taguchi method, Materials in Technology, 43, pp. 143-149.

  • Saeid T, Abdollah-Zadeh A, Assadi H and Ghaini FM (2008); Effect of friction stir welding speed on the microstructure and mechanical properties of a duplex stainless steel, Materials Science and Engineering A, 496(1-2), pp. 262-268.


Abstract Views: 200

PDF Views: 4




  • Experimental Investigation of TIG Welding on Duplex Stainless Steel

Abstract Views: 200  |  PDF Views: 4

Authors

Sandip Mondal
Department of Mechanical Engineering, Haldia Institute of Technology, Haldia- 721657, India
Goutam Nandi
Department of Mechanical Engineering, Jadavpur University, Kolkata- 700032, India
Pradip Kumar Pal
Department of Mechanical Engineering, Jadavpur University, Kolkata- 700032, India

Abstract


Duplex stainless steel has the inimitable arrangement of two phase microstructure of 50% δ-ferrite and 50% austenite. TIG welding on DSS is more easy, comfortable and useful, if the process is precisely understood and controlled through development of the science & technology of the process in the context of DSS welding by extensive research. In present work, influence of welding current, speed of TIG welding and gas flow rate on quality of DSS weld has been examined through valuable experiments. After experiment its analysis has been done. A design of experimentations has been used which is constructed upon the Taguchi technique. Experimental data has been analyzed by Principal Component Method. Investigation of present-day experiments is scheduled to have various perceptions of Butt joints of TIG welding between UNS2205 duplex stainless steel (DSS) plates. The sole aim of the current investigation is to use the Taguchi analysis, in order to create the optimum combination of controllable factors for Tungsten Inert Gas (TIG) Welding on 2205 DSS. The Taguchi analysis is used to define the optimum design set indices like welding current, shielding gas flow rate and speed of the welding. The experimental readings have been studied; inferred and evaluated with the help of ultimate tensile strength, yield strength, percentage of elongation integrated with the help of Principal Component Analysis (PCA) technique. Butt welding joints of 2205 duplex stainless steel plates have been made. Recently, DSS weld has made sufficient responsiveness in many avenues, such as in oil and gas industries, water purification plants etc. The Principal Component Analysis technique is used to find the optimum set.

Keywords


Optimization, Butt Joint, Duplex Stainless Steel, TIG Welding, Tensile Test, Principal Component Analysis (PCA).

References





DOI: https://doi.org/10.22486/iwj.v53i4.203672