CERAMIC-METAL COMPOSITE WEAR PARTS

IDP000106436BActive Publication Date: 2026-07-14MAGOTTEAUX INTERNATIONAL SA
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Patent Information

Authority / Receiving Office
ID · ID
Patent Type
Patents
Current Assignee / Owner
MAGOTTEAUX INTERNATIONAL SA
Filing Date
2021-03-25
Publication Date
2026-07-14

AI Technical Summary

Technical Problem

Existing methods for producing wear parts with high ceramic concentrations face challenges in maintaining the integrity of the ceramic structure during casting, leading to diluted ceramic concentrations and altered hardness, and difficulty in achieving predetermined geometric reinforcement.

Method used

The method involves using prefabricated ceramic inserts with a predetermined geometry, embedded in a first metal matrix, combined with a self-propagating exothermic reaction to form a hybrid structure with alternating high and low ceramic concentrations, using a second metal matrix distinct from the casting alloy, ensuring robust reinforcement.

Benefits of technology

This approach allows for the creation of wear parts with significantly higher ceramic concentrations, up to 90% by volume, providing enhanced wear resistance and maintaining structural integrity by alternating areas of high ceramic concentration with a custom metal matrix, resulting in improved performance compared to previous methods.

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Abstract

The present invention relates to a wear part made in casting with a reinforced part comprising a ferrous alloy reinforced with metal carbides, nitrides, borides or intermetallic alloys wherein said reinforced part comprises inserts of metal carbides, nitrides, metals or intermetallic compounds pre-fabricated with a defined geometry and incorporated into an infiltratible agglomerated grain structure comprising reagents necessary for the formation of metal or intermetallic carbides, nitrides, borides according to an in-situ self-propagating thermal reaction initiated during the casting of the ferrous alloy.
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