Bi-layer protective coatings for metal components

TR202617828T4Active Publication Date: 2026-10-21CALLIDUS PROCESS SOLUTIONS PTY LTD
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Patent Information

Application Number
TR202617828
Authority / Receiving Office
TR · TR
Patent Type
Patents
Current Assignee / Owner
Filing Date
2020-11-06
Publication Date
2026-10-21
Estimated Expiration
2040-11-06

AI Technical Summary

Technical Problem

Conventional single-layer protective coatings for metal components in industrial processes fail to provide adequate resistance against corrosion, wear, and delamination in high-temperature, high-pressure, and corrosive environments.

Method used

A bi-layer protective coating system comprising a metallurgically fused bond coating of rare metals and a mechanically bonded top coating of metal oxides or carbides, where the bond coating provides corrosion resistance and the top coating offers wear and erosion resistance, with the bond coating being fully dense and the top coating densified after application.

Benefits of technology

The bi-layer coating significantly enhances resistance to corrosion, wear, and delamination, demonstrating improved durability and performance in extreme industrial conditions compared to single-layer coatings.

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Abstract

It is a two-layer protective coating for a metal component, comprising a binder coating that is metallurgically bonded to a substrate of the metal component and contains one or more rare metals, and a top coating that is mechanically bonded to the binder coating and contains one or more metal oxides or one or more metal carbides.
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