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Fraunhofer-Institut für Produktionsanlagen und Konstruktionstechnik IPK
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PublicationDevelopment of a test method for determining the cracking susceptibility of resistance spot welded high strength steel sheets( 2014)Suwala, HubertIn this study a test method for determining the cracking susceptibility of resistance spot welded high strength steel sheets was investigated. The development of a suitable test procedure is based on the External-Loaded Hot Crack Test (PVC-Test). The test modification for resistance spot welding contains a constant tensile force load. The test method for determining the cracking susceptibility was experimentally verified for a high strength steel, a transformation induced plasticity steel (TRIP) and two complex phase steel (CP). The result shows that the external loaded test method has a significant influence on the crack formation of the investigated steels.