Tempering of Resistance Welds

Описание к видео Tempering of Resistance Welds

Tempering of steel welds by sending a tempering pulse after the welding pulse in order to reduce weld hardness by breaking down martensite into ferrite and cementite. Tempering can be easily performed in a resistance weld by sending a second pulse while the parts are still held between the electrodes. Effect of tempering pulse can be gauged by measuring the weld hardness.

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