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TITANIUM SHEET COVERED WITH PROTECTIVE FILM SUPERIOR IN HIGH TEMPERATURE OXIDATION RESISTANCE AND HIGH TEMPERATURE SALT DAMAGE RESISTANCE, AUTOMOBILE EXHAUST SYSTEM USING SAME, AND METHODS OF PRODUCTION OF SAME
TITANIUM SHEET COVERED WITH PROTECTIVE FILM SUPERIOR IN HIGH TEMPERATURE OXIDATION RESISTANCE AND HIGH TEMPERATURE SALT DAMAGE RESISTANCE, AUTOMOBILE EXHAUST SYSTEM USING SAME, AND METHODS OF PRODUCTION OF SAME
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机译:具有高温抗氧化性和高温耐盐害性的保护膜上盖的钛板,使用相同的汽车排气系统以及相同的生产方法
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摘要
The present invention provides a titanium sheet covered with a protective film superior in high temperature oxidation resistance and high temperature salt damage resistance and a method of production of the same and an automobile exhaust system using the same. The titanium sheet covered with a protective film is formed on its surface with a protective film of a thickness of 1 to 100 μm where flake-shaped metal Al with an average thickness of 0.1 to 5 μm and average width or average length of 1 to 50 μm or grain-shaped metal Al with an average size of 0.1 to 30 μm is dispersed in 20 to 60 mass % silicone resin or silicone grease and comprised of Si: 15 to 55 mass % and C: 10 to 45 mass % and having a balance of unavoidable impurities. Preferably the titanium sheet of the substrate contains one or both of 0.5 to 2.1 mass % of Cu and 0.4 to 2.5 mass % of Al. The method of production is to brush or spray the above composition of a silicone resin on a titanium sheet to form a protective film and heat it at 150 to 300° C. for 5 to 60 minutes.
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