Surface treatment

Surface treatments are very common for MiM & MiM-Like parts, its aim is to improve functions and aesthetics.

All common surface treatments are compatible with MiM & MiM-Like parts such as steam oxidizing, coloring, plating, impregnating, dipping, or spraying.

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The first step in selecting a surface modification is to determine the surface and substrate engineering property requirements, such as: - abrasion wear resistance under conditions of low or high compression loading: - resistance to scuffing and seizure;
- bending or torsional fatigue strength;
- rolling contact fatigue;
- resistance to case cracking (surface collapse);
- resistance to corrosion.

The thickness of the engineered surface can vary from several millimeters for weld overlays to a few micrometers of physical or chemical vapor deposited coatings, while the depth of surface modification induced by ion implantation is < 0.1 mm.