Process for preparing a substrate for thermal spraying of a metal coating

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United States of America Patent

PATENT NO 9920431
SERIAL NO

14902223

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Abstract

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A method of preparing a substrate to receive a metal coating deposited by thermal spraying, the method including the following steps: a) depositing a layer of adhesive on the zone to be coated, the layer having a uniform thickness greater than 10 μm and less than 100 μm; b) before the adhesive dries, cold spraying a metal powder onto the zone to be coated, so that powder particles become embedded at least in part in the layer of adhesive; and c) drying the adhesive in which the powder particles remain held captive, thereby forming an undercoat suitable for receiving a metal coating deposited by thermal spraying. The method is applicable to protecting the leading edges of fan blades.

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Patent Owner(s)

  • SNECMA

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Arantes, Antonio Cremildo Saint Michel sur Orge, FR 3 28
Dudon, Laurent Paul Viry-Chatillon, FR 12 42

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