WELDING MOBILE PLATFORMS ELEMENTS MADE OF AHSS STEEL IN VIEW OF NEW REQUIREMENTS IN CIVIL ENGINEERING AND TRANSPORT
Journal: Scientific Journal of Silesian University of Technology. Series Transport (Vol.103, No. 10)Publication Date: 2019-06-30
Authors : Tomasz WĘGRZYN Adam JUREK Łukasz WSZOŁEK Zbigniew STANIK;
Page : 209-218
Keywords : civil engineering; transport; mobile platforms; AHSS steel; micro-jet cooling; martensitic steel;
Abstract
The developing automotive industry has prompted an increase in the demand for new welding technologies in civil engineering and transport that reduce the mass of mobile platforms mounted on vehicles and increase their operational range at the same time. The AHSS steels are the materials most commonly adapted for the production of motor vehicles due to their high tensile strength. Nonetheless, the joints created with their use are less strong from the native material. This article examined whether the application of micro-jet cooling would alter the mechanical properties of the welds. Based on the performed tests, joints with better quality that passed positively in the hardness and tensile strength evaluations were obtained. The presented research proves that the use of additional elements in the welding process significantly affects the quality of the obtained welds and brings satisfactory results with a greater repeatability than before.
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Last modified: 2019-07-20 20:25:25