Refractory metal composite coated article

Details Refractory metal composite coated article Refractory metal composite coated article

1989-03-13

1993-06-29

Nelson, Peter A.

Metal treatment

Process of modifying or maintaining internal physical...

Processes of coating utilizing a reactive composition which...

148279, 148277, 148269, C23C 2224

Patent

active

052230457

ABSTRACT:
The coated article includes a refractory metal substrate having an oxidation resistant intermetallic layer formed in situ thereon; e.g., a fused refractory metal silicide layer, and a ceramic layer applied on and adhering to the intermetallic layer to provide enhanced high temperature properties and improved resistance to premature catastrophic failure in high temperature oxidizing environments where dissimilar materials are present that may destructively react with the intermetallic layer.

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"Reliable, Practical, Protective Coatings for Refractory Metals formed by the Fusion of Silicon Alloy Slurries", S. Priceman et al, Electrochemical Technology, vol. 6, No. 9-10, Sep.-Oct. 1968, pp. 315-326.

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