Weld Metallurgy and Mechanical Properties of High Manganese Ultra-high Strength Steel Dissimilar Welds
作者： Martin Dahmen , Stefan Lindner , Damien Monfort , Dirk Petring
DOI: 10.1016/J.PHPRO.2016.08.036
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摘要: Abstract The increasing demand for ultra-high strength steels in vehicle manufacturing leads to the application of new alloys. This poses a challenge on joining especially by fusion welding. A stainless high manganese steel sheet with excellent and deformation properties stands centre development. Similar dissimilar welds metastable austenitic hot formed martensitic were performed. An investigation mixing effects local microstructure hardness delivers metallurgical features welds. Despite carbon contents above 0.4 wt.% none have shown cracks. Mechanical drawn from tensile tests deliver breaking forces enabling stiffness joints. results show potential laser beam welding assembly structural parts.
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