Magnesium alloy chemical polishing technology

Abstract

The invention discloses a magnesium alloy chemical polishing technology. Through the steps of preparing a polishing solution, conducting pretreatment, conducting chemical polishing and conducting post-treatment, the magnesium alloy chemical polishing technology is completed. The magnesium alloy chemical polishing technology comprises the specific steps of preparing the polishing solution, wherein25-80 g of nitric acid, 20-60 g of oxalic acid and 2-10 g of hydrochloric acid are added to 1 L of water, the mixture is evenly stirred, and the polishing solution is prepared; conducting pretreatment, wherein a magnesium alloy workpiece is washed, and surface oil dirt is removed; conducting chemical polishing, wherein the washed magnesium alloy workpiece is placed in the polishing solution for dipping, and the dipping time is 10-14 minutes; and conducting post-treatment, wherein after polishing is ended, ultrasonic waves are used for cleaning the workpiece, and the workpiece is dried. The magnesium alloy chemical polishing technology has the advantages that through the reasonably prepared polishing solution, the polishing effect is greatly improved, and the polishing technology is simple.

Description

technical field [0001] The invention belongs to a metal surface treatment process, in particular to a magnesium alloy chemical polishing process. Background technique [0002] Magnesium alloy has the advantages of light weight, high specific strength, small elastic modulus, anti-electromagnetic interference, good shielding, strong shock absorption, good processing performance and good thermal conductivity. It has been widely used in national defense, electronic appliances, etc. application. However, in the surface polishing process of magnesium alloys, most of them are treated with chromic anhydride, phenol, etc., and the treatment time is difficult to control, and the consumption of chemical solution is also large, which is not conducive to actual use. Contents of the invention [0003] The object of the present invention is to aim at the deficiencies of the prior art, and now provide a magnesium alloy chemical polishing process with simple process and less chemical solu...

AI Technical Summary

Problems solved by technology

However, in the surface polishing process of magnesium alloys, most of them are treated with chromic anhydride, phenol, etc., and the processing time is difficult to control, and the consumption of chemical solution is also large, which is not conducive to actual use.