Multi-layer coatings for reinforcements in high temperature...

Details Multi-layer coatings for reinforcements in high temperature... Multi-layer coatings for reinforcements in high temperature...

C - Chemistry, Metallurgy

09

C

261/13, 117/158,

C09C 1/28 (2006.01) C03C 1/02 (2006.01) C03C 14/00 (2006.01) C04B 35/56 (2006.01) C04B 35/80 (2006.01) C04B 35/84 (2006.01) C04B 41/45 (2006.01) C04B 41/52 (2006.01) C04B 41/81 (2006.01) C04B 41/89 (2006.01) C04B 41/90 (2006.01) C09C 3/06 (2006.01) C22C 32/00 (2006.01) C22C 49/14 (2006.01)

Patent

CA 2031903

SEP-3964 ABSTRACT The subject invention relates to a coated reinforcement material comprising a SiC reinforcement having a coating of at least three layers, wherein the layers are alternately A-material layers of the general formula: AlxOyNz wherein x is up to about 60 atomic% of the coating; y is from about 20 atomic% to about 55 atomic% of the coating; and z is from about 5 atomic% to about 45 atomic% of the coating, with the proviso that x+y+z=100, and B- material layers comprising a metal alloy, such that the first and last layers of the coating are A-material layers. The invention further relates to a high stength, high temperature performance composite containing the above- specified coated reinforcement. AI4/Applns

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