Method for manufacturing metallic products and production

Abstract

A method for preparing the product of the soft metal difficult to machine, such as Mg-alloy or MgAl-alloy, features a vacuum sputtering method is used for modifying the surface of said product. Said Mg-alloy product has high surface quality.

Description

technical field [0001] The invention relates to a metal product manufacturing method and its products. It includes the metal surface modification method and the finished products made by this method, which can be carried out on general sputtering machines, and the surface can be set to cover the wall surface of the magnesium alloy finished product, for example, to provide a processing process for improving the surface quality of magnesium alloy workpieces. The finished metal is placed in the sputtering machine for surface coating to prevent surface roughness from detracting from the quality of the subsequent coating and baking paint, and has the function of repairing surface defects; the consideration of the target used is mainly to improve the surface quality, especially for magnesium alloys And soft and difficult-to-machine metals such as magnesium and aluminum alloys. Background technique [0002] As generally recognized by the magnesium alloy and magnesium aluminum allo...

AI Technical Summary

Problems solved by technology

For structural parts built in magnesium alloys, such defects not only unsightly, but also affect the strength of structural parts due to the continuous expansion of the location and scope of corrosion pits, resulting in safety hazards

What's more, for many magnesium alloy products used in appearance, the existence of the above-mentioned pore structure defects will not only continue to corrode the near-surface substrate, but also cause the temperature effect during baking during the coating and baking process. The residual liquid in the hole is gasified due to high temperature, which will cause the star-shaped point burst of the baking paint layer, resulting in poor coating

Therefore, known magnesium alloy coating products often need multiple reworks to solve the phenomenon of poor surface, which not only causes a waste of manpower, but also reduces the overall competitiveness of magnesium alloy products due to the increase in production costs and the decline in yield.

[0006] Among known devices, there are figure 1 The magnesium alloy workpiece shown in the production process is treated by traditional film formation and baking paint, and the effect is as follows: Figure 4 As shown, there are problems such as surface roughness and perforation, so it is necessary to find a more convenient system arrangement technology that can handle high temperature conditions and low operating costs

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