Effect of Process Parameters on Mechanical and Microstructural Properties of Arc Stud Welds*

Necip Fazil Yilmaz; Abdulbasit Abdulqadir Hamza

doi:10.3139/120.110629

Article

Effect of Process Parameters on Mechanical and Microstructural Properties of Arc Stud Welds*

Necip Fazil Yilmaz and Abdulbasit Abdulqadir Hamza

Published/Copyright: October 11, 2014

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From the journal Materials Testing Volume 56 Issue 10

Abstract

Arc stud welding is used to weld predominantly pin-shaped metal parts to metal workpieces. This welding process plays an important role in the field of steel structures, bridge building, shipbuilding, vehicle manufacture, manufacture of household appliances and steam boiler construction. Due to its vital importance, it is very important to determine the influencing parameters on the mechanical and microstructural properties of the weldment. In this study, AISI 304 stainless steel studs were welded onto the same type of base plate. It was observed that welding current, welding time, plunge and lift are prominent stud welding parameters. Welding current and welding time must be selected properly to obtain a high quality performance weld joint.

Kurzfassung

Das Lichtbogen-Bolzenschweißen wird vorwiegend eingesetzt, um stift-förmige Metallteile an metallische Werkstücke zu schweißen. Dieser Schweißprozess ist von besonderer Bedeutung im Bereich von Stahlstrukturen, im Brückenbau, in der Automobilfertigung, in der Fertigung von Haushaltsgeräten und in der Heizkesselkonstruktion. Aufgrund seiner entscheidenden Bedeutung ist es sehr wichtig, die Einflussparameter auf die mechanischen und mikrostrukturellen Eigenschaften zu bestimmen. In der diesem Beitrag zugrunde liegenden Studie wurden Stifte aus einem hochlegierten austenitischen Stahl AISI 304 mit Basisplatten aus identischem Material verschweißt. Es stellte sich heraus, dass die Schweißstromstärke, die Schweißdauer, das Eintauchen, und das Herausheben wichtige Bolzenschweißparameter sind. Die Schweißstromstärke und die Schweißzeit müssen richtig gewählt werden, um qualitativ hochwertige Schweißverbindungen zu erhalten.

**Correspondence Address. Dr. Necip Fazil Yilmaz, University of Gaziantep, Mechanical Engineering Department, 27310 Şehitkamil, Gaziantep, Turkey, E-mail: nfyilmaz@gantep.edu.tr

Dr. Necip Fazil Yilmaz, born in 1970 in Elbistan, Kahramanmaraş, Turkey, completed his primary, secondary and high school in Gaziantep. He graduated from the Mechanical Engineering Department of Middle East Technical University, Turkey, in 1991. He received his MSc and PhD degrees in 1996 and 2002, respectively. His current research areas are concentrated on metal forming technologies. He is assistent professor in the Mechanical Engineering Department of Gaziantep University, Turkey.

Abdulbasit Abdulqadir Hamza, born in 1982 in Erbil, Iraq, completed his primary, sondary and preparatory school in Erbil. He graduated from the Mechanical Engineering Department of Salahaddin University, Erbil, Iraq, in 2008. He acquired his MSc degree in 2014 from Gaziantep University, Turkey.

Presented during the 3^rd International Conference on Welding Technologies and Exhibition (ICWET'14) in Manisa, Turkey

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Published Online: 2014-10-11

Published in Print: 2014-10-01

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https://doi.org/10.3139/120.110629