Production technology for improving tensile strength and grain refinement of brass material
A technology for tensile strength and grain refinement is applied in the field of production technology to improve the tensile strength and grain refinement of brass materials, and can solve the problems of large grain size, residual rolling stress, and performance anisotropy. Achieve the effect of low Vickers hardness, grain refinement and elongation improvement
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[0019] The present invention will be further explained below:
[0020] A manufacturing method for improving the tensile strength and grain refinement of brass materials. The specific refinement method includes the following steps:
[0021] (1) Clean the inside of the smelting furnace to prevent impurities from entering the smelting furnace. Preheat the smelting furnace to 150°C for 20 minutes. Polish the surface of the brass. After cleaning, make the surface dry. Place it in a smelting furnace for smelting and filter the impurities;
[0022] (2) Weigh the La element, configure the rare earth element La, and add a certain amount of the rare earth element La to the smelted brass solution after the configuration is completed;
[0023] (3) Connect a pulse power supply outside the smelting furnace to generate a pulse magnetic field to oscillate and stir the solution, and perform orthogonal experiments on the pulse power frequency to determine the best pulse frequency, and the stirring time...
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