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Role of grain size on the strength and ductile–brittle transition temperature in the dual-sized ferrite region of the heat-affected zone of ultra-fine grained steel

Materials ScienceEngineeringMechanical EngineeringApplied PhysicsDual-sized Ferrite RegionHigh Strength Low Alloy SteelGrain SizeHigh-performance MetalMechanics Of MaterialsMicrostructureHeat-affected Zone