Surface treatment process for magnesium-based material
First Claim
1. A process for providing a coating on a surface of a substrate made of magnesium or magnesium alloy comprising a step of heating the substrate in a humidified atmosphere.
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Abstract
A process for providing a coating on a surface of a substrate made of magnesium or magnesium alloy has a step of heating the substrate in a humidified atmosphere therein. It is desirable that the atmosphere has a temperature between 50 and 450 degrees centigrade and a relative humidity between 50 and 100%. It is also desirable that the atmosphere has a pressure between 1.0×105 and 1.0×106 Pa. Further, it is desirable that a thickness of the coating is between 3 and 50 μm. The surface treatment process is suitable for forming a vehicular part such as an ECU case.
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Citations
5 Claims
- 1. A process for providing a coating on a surface of a substrate made of magnesium or magnesium alloy comprising a step of heating the substrate in a humidified atmosphere.
Specification