Secondary processes are applicable for MIM components

We are often asked about the applicable post surface treatment for metal injection moulding or MIM components. Post surface treatment for our micro-MIM components by metal injection moulding processes such as plating, coating, heat treatment, and polishing are feasible. Let us show you how.

We are often asked about the applicable post surface treatment for metal injection moulding or MIM components such as plating, coating, heat treatment, and polishing. This may come from a common misunderstanding of the difference between the conventional powder metallurgy process or compaction process and MIM.

Micro MIM Japan Holdings Inc. has accumulated experiences on surface treatment of metal injection moulding or MIM components. Especially when the part is used as an exterior part or in contact with fluids or other objects, it is required very low surface roughness, high hardness, high stability against chemical reactions, etc. and we have realised these requests with various post surface treatments.

Metal components which are made from metal injection moulding process usually have crepe or pear-skin surface since MIM components are aggregate of metal powder. Our MIM components have a relative density as high as 98.5% or higher (in case of the stainless steel material), which is higher than parts made from conventional powder metallurgy process or compaction process. Due to its high density, conventional surface treatments are applicable to MIM components’ surface. For example, plating (such as gold plating), coating (such as electroless nickel coating), polishing (such as sand blast, barrel polishing), hairline processing and so on.

We guarantee the product quality including the surface treatment mentioned above.

Further info
Service groups:
Post-processing, surfaces
    Surface treatment

Application:
Facility management and technical service


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Image of   Izumi Nakamura

Izumi Nakamura

Micro MIM Japan Holdings Inc.

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