Influence of welding parameters of resistance spot welding on the quality of welded joints

• Autorzy: Kascak L. , Vinas J.
• Języki publikacji: EN

Abstrakty

EN

The paper deals with the influence of welding parameters of resistance spot welding on the quality of welded joints. Joints were made with combination orgahanized steel sheets DX51D + Z (EN 10142/2000) and TRIP 40/70 + Z100MBO. It is an advanced material combination frequently used in designing car body parts. For evaluation of joints quality the shear tension test on spot joints according to DIN 50 124 standard was used. The basic mechanical properties of welded joints were evaluated. Some samples were prepared for metallographic analysis where the influence of the welding parameters on the structure of welded joint was observed. We also observed the influence of welding parameters on the dimensions of the weld nugget, as well as the occurrence of pores in the weld metal caused by evaporation of zinc from the coating. Hardness was evaluated on metallographic scratch patterns according to STN EN 1043-2 standard.

Słowa kluczowe

EN

resistance spot welding; welded joint; quality of joint

PL

zgrzewanie oporowe punktowe; złącze spawane; połączenie spawane; jakość połączenia

• Wydawca: Oficyna Wydawnicza Politechniki Rzeszowskiej
• Czasopismo: Zeszyty Naukowe Politechniki Rzeszowskiej. Mechanika
• Rocznik: 2010
• Tom: z. 80 [274]
• Strony: 127--134
• Opis fizyczny: Bibliogr. 5 poz., tab., rys., wykr.

Twórcy

autor

Kascak L.

autor

Vinas J.

• Technical University of Košice, Slovak Republic

Bibliografia

• 1. Zhang H., Senkara J.: Resistance Welding: Fundamentals and Applications. Taylor&Francis Group, New York 2006.
• 2. Kaščák L’., Spišák E.: Resistance spot welding of three steel sheets for automotive industry. In: PRO-TECH-MA ‘07: Progressive Technologies and Materials : International scientific conference, Rzeszów - Bezmiechowa, Poland, Rzeszów: Politechnika Rzeszowska, 2007. pp. 49-54.
• 3. Aslanlar S.: The effect of nucleus size on mechanical properties in electrical resistance spot welding of sheets used in automotive industry. Materials and Design 27, 2006, pp. 125-131.
• 4. Rogeona P., Carrea P., Costaa J., Sibilia G., Saindrenanb G.: Characterization of electrical contact conditions in spot welding assemblies. Journal of Materials Processing Technology, 195, 2008, pp. 117-124.
• 5. Cretteur L., Koruk A.I., Tosal-Martinez L.: Improvement of weldability of TRIP Steels by use of in-situpre- and post- heat treatments. Int. Conf. On TRIP, Ghent 2002, pp. 353-358.