Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
A METHOD FOR OPTIMIZING MICROSTRUCTURE OF RAIL WELDED JOINT
Abstract The present disclosure relates to the technical field of rails welding, and particularly to a method for optimizing microstructure of a rail welded joint, the method comprises the following steps: step 1): subjecting a rail web area of a to-be-cooled welded joint which is obtained by flash butt welding to an accelerated cooling by means of an accelerated cooling device and by using compressed air as a cooling medium, measuring and monitoring temperature of a central position of the rail web of the welded joint while cooling; step 2): stopping the accelerated cooling when the temperature of the central position of the rail web drops to a preset temperature, then placing the welded joint in air and naturally cooling to room temperature, wherein the rail is a pearlite rail having a carbon content of 0.6-0.9wt%. Accompanying Drawings Rail height center the central position of the rail weld im ----------- ----- CenterieI
A METHOD FOR OPTIMIZING MICROSTRUCTURE OF RAIL WELDED JOINT
Abstract The present disclosure relates to the technical field of rails welding, and particularly to a method for optimizing microstructure of a rail welded joint, the method comprises the following steps: step 1): subjecting a rail web area of a to-be-cooled welded joint which is obtained by flash butt welding to an accelerated cooling by means of an accelerated cooling device and by using compressed air as a cooling medium, measuring and monitoring temperature of a central position of the rail web of the welded joint while cooling; step 2): stopping the accelerated cooling when the temperature of the central position of the rail web drops to a preset temperature, then placing the welded joint in air and naturally cooling to room temperature, wherein the rail is a pearlite rail having a carbon content of 0.6-0.9wt%. Accompanying Drawings Rail height center the central position of the rail weld im ----------- ----- CenterieI
A METHOD FOR OPTIMIZING MICROSTRUCTURE OF RAIL WELDED JOINT
LU XIN (Autor:in) / LI DADONG (Autor:in) / BAI WEI (Autor:in) / XU FEIXIANG (Autor:in)
12.01.2023
Patent
Elektronische Ressource
Englisch
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