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Fillet welding of austenitic stainless steel using the double channel shielding gas method with cored wire

  • Tolga Mert , Nurullah Gultekin and Ahmet Karaaslan
Published/Copyright: May 16, 2018
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Materials Testing
From the journal Materials Testing Volume 57 Issue 1

Abstract

X2CrNi189 austenitic stainless steel material with web and flange thicknesses of 10 mm was welded by the conventional GMAW and double channel shielding gas method to form double fillet T-joints. The difference between these two methods were characterized by measurements of mean welding parameters, Vickers hardness profiles, molten and HAZ areas of the joints as well as by thermal camera temperature measurements. According to the results, higher mean current intensity but lower mean arc voltage along with higher heat input was obtained using the double channel shielding gas method. There was no significant difference observed in Vickers hardness between the two methods. Moreover, mean filler metal molten area values were higher with double channel shielding gas method, which depicted that this method increased productivity.

Kurzfassung

Ein austenitischer Stahl X2CrNi189 mit einer Steg- und Flanschdicke von 10 mm wurde mit dem konventionellen Schutzgasschweißverfahren und dem Zweikanalverfahren geschweißt, um doppelte Kehlnähte herzustellen. Der Unterschied zwischen diesen beiden Verfahren wurde mittels Messungen der mittleren Schweißparameter, der Vickers-Härteprofile, der Flächen des Schweißgutes und der Wärmeeinflusszone der Verbindungen sowie mittels Temperaturmessungen mit der Thermokamera charakterisiert. Entsprechend der Ergebnisse stellte sich eine höhere mittlere Stromstärke aber eine niedrigere mittlere Spannung mit höherer Streckenenergie beim Doppelkanalschweißen heraus. Es ergab sich kein signifikanter Unterschied bei beiden Verfahren hinsichtlich der Vickershärte. Darüber hinaus waren die mittleren Werte der Schweißgutfläche beim Doppelkanalschweißen höher, was eine höhere Produktivität dieses Verfahrens anzeigt.

*Correspondence Address, Dr. Tolga Mert, Department of Mechanical Engineering, Yildiz Campus, Yildiz Technical University, 34349, Besiktas, Istanbul, Turkey, E-mail:

Dr. Tolga Mert, born in 1978, studied Mechanical Engineering at Istanbul University, Turkey, from 1996 to 2000. After graduation, he pursued his Master of Science education at Yildiz Technical University, Turkey, in the Mechanical Engineering Department, Materials Science and Manufacturing Technology Division from 2001 to 2004. He has continued his career with doctorate education at the same department since 2005. He was awarded Fulbright PhD Thesis Research Grant and he pursued research on welding distortions at the Ohio State University, Edison, USA, Joining Technology Center with the supervision of Prof. Dr. Chon L. Tsai from 2007 to 2008. Then, he received his PhD degree in 2012. He has been working at Yildiz Technical University, Mechanical Engineering Department, Materials Science and Manufacturing Technology Division since 2001 as a research assistant.

Emeritus Prof. Nurullah Gultekin, born in 1943, graduated from Istanbul Technical College, Turkey in 1968 as a mechanical engineer. He has continued his Master of Science studies at Yildiz University, Turkey, Mechanical Engineer Department and graduated in 1970. He was at Schweisstechnische Lehr-und Versuchsanstalt, Manheim, Germany from 1976 to 1978 for his experimental studies for associate professorship adequacy thesis and received his degree in 1979 and was promoted to full Professorship in 1988. He retired in 2008 and since then he has been giving lectures for undergraduate and graduate students at Yildiz Technical University, Mechanical Engineering Department, Materials Science and Manufacturing Technology Division.

Prof. Dr. Dipl.-Ing. Mont. Ahmet Karaaslan, born in 1968, studied Metallurgy and Materials Engineering from 1986 to 1990 at Yildiz Technical University, Istanbul, Turkey and received his doctoral degree in 1999 at the Institute for Metals Science and Materials Testing at Montan University in Loeben, Austria. Since 1999 he has been working in Materials Engineering Department at Yildiz Technical University, Istanbul, Turkey.

References

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Published Online: 2018-05-16
Published in Print: 2015-01-05

© 2015, Carl Hanser Verlag, München

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  2. Inhalt
  3. Fachbeiträge/Technical Contributions
  4. A simple procedure for estimating SN-lines for crack initiation from SN-lines for total failure*
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  7. Effect of heat treatment on microstructure and mechanical properties of Fe-5Cr-1.4B alloy
  8. Interface characterization of friction welded low carbon steel and copper alloys
  9. Field test methods for aluminum gas cylinders
  10. Application of the Taguchi method for parameter optimization of the surface grinding process
  11. A discrete dislocation technique for fatigue microcracks (Part I)
  12. A discrete dislocation technique for fatigue microcracks (Part II)
  13. Synchrotron X-ray CT of rose peduncles – evaluation of tissue damage by radiation*
  14. Surface roughness analysis and optimization for the CNC milling process by the desirability function combined with the response surface methodology
  15. Design, manufacture and analysis of composite epoxy material with embedded silicon carbide (SiC) and alumina (Al2O3) nanoparticles/fibers
  16. Performance of organic and inorganic substances as inhibitors for chloride-induced corrosion in concrete
  17. Fillet welding of austenitic stainless steel using the double channel shielding gas method with cored wire
  18. Applying quadraphonic transmission ultrasonic defectoscopy on standard aluminum materials
  19. Kalender/Calendar
  20. Kalender
https://doi.org/10.3139/120.110682

Articles in the same Issue

  1. Inhalt/Contents
  2. Inhalt
  3. Fachbeiträge/Technical Contributions
  4. A simple procedure for estimating SN-lines for crack initiation from SN-lines for total failure*
  5. Modellbasierte Korrelation zwischen dem elektrischen Widerstand und der Versetzungsstruktur des ermüdungsbeanspruchten ICE-Radstahls R7
  6. Effect of cobalt on the aging kinetics and the properties of a CuCoNiBe alloy
  7. Effect of heat treatment on microstructure and mechanical properties of Fe-5Cr-1.4B alloy
  8. Interface characterization of friction welded low carbon steel and copper alloys
  9. Field test methods for aluminum gas cylinders
  10. Application of the Taguchi method for parameter optimization of the surface grinding process
  11. A discrete dislocation technique for fatigue microcracks (Part I)
  12. A discrete dislocation technique for fatigue microcracks (Part II)
  13. Synchrotron X-ray CT of rose peduncles – evaluation of tissue damage by radiation*
  14. Surface roughness analysis and optimization for the CNC milling process by the desirability function combined with the response surface methodology
  15. Design, manufacture and analysis of composite epoxy material with embedded silicon carbide (SiC) and alumina (Al2O3) nanoparticles/fibers
  16. Performance of organic and inorganic substances as inhibitors for chloride-induced corrosion in concrete
  17. Fillet welding of austenitic stainless steel using the double channel shielding gas method with cored wire
  18. Applying quadraphonic transmission ultrasonic defectoscopy on standard aluminum materials
  19. Kalender/Calendar
  20. Kalender
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