Low alloy TRIP-aided steels for automotive industry. Carbon equivalent. Weldability. Hardness of the heat affected zone. Spot welding of TRIP steels. Improvement of the resistance of the welds. Selection of the welding cycle parameters. Optimisation of the welding cycle for a cold-rolled TRIP steel with a tensile strength above 700 MPa. Mechanical properties of the welds. Pre- and post-heat treatments.
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