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Refinement mechanism of large heat-input welding CGHAZ microstructure by N addition and its effect on toughness of a V-Ti-N microalloying weathering steel

Materials ScienceFriction WeldingEngineeringSuperalloyCorrosionWelding ProcessMechanical EngineeringV-ti-n MicroalloyingRefinement MechanismHigh Strength Low Alloy SteelN AdditionMicrostructure