Activation of self-passivated metals using reagent coatings for low-temperature soft nitriding
JP2026094219APending Publication Date: 2026-06-09SWAGELOK CO
Patent Information
- Authority / Receiving Office
- JP · JP
- Patent Type
- Applications
- Current Assignee / Owner
- SWAGELOK CO
- Filing Date
- 2026-02-20
- Publication Date
- 2026-06-09
Smart Images

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Abstract
This provides a method for treating the surface of a workpiece. [Solution] A method for processing a workpiece having a bailby layer, manufactured from a self-passivating metal, comprising applying a coating containing a reagent to the surface of a workpiece, and processing the coating to thermally modify the reagent, wherein the thermal modification of the reagent activates and / or hardens the surface.
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Claims
[Claim 1] A method for processing a workpiece made from a self-passivated metal and having a bailby layer, the method being: Applying a reagent-containing coating to at least a portion of the surface of the workpiece; and The aforementioned coating is thermally treated to change the reagent. The reagent includes, and the thermal modification of the reagent activates the surface for curing. method.