Fiber having integral weak interface coating, method of making and composite incorporating the fiber

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United States of America Patent

PATENT NO 11535958
APP PUB NO 20210040651A1
SERIAL NO

16536688

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Abstract

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Disclosed is a method of coating a high temperature fiber including depositing a base material on the high temperature fiber using atomic layer deposition, depositing an intermediate material precursor on the base material using molecular layer deposition, depositing a top material on the intermediate material precursor or the intermediate layer using atomic layer deposition, and heat treating the intermediate precursor. The intermediate material in the final coating includes a structural defect, has lower density than the top material or a combination thereof. Also disclosed are the coated high temperature fiber and a composite including the high temperature fiber.

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Patent Owner(s)

Patent OwnerAddress
RTX CORPORATION10 FARM SPRINGS RD FARMINGTON CT 06032

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Magdefrau, Neal Tolland, US 38 61
Schmidt, Wayde R Pomfret Center, US 228 1725
Sheedy, Paul Bolton, US 124 335

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