Selected Patents Related to Thermal Spraying
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elected Patents Related to Thermal Spraying Issued between January 1, 2014 and March 25, 2014 Prepared by Jirˇı´ Mateˇjı´cˇek, Institute of Plasma Physics, Czech Republic; [email protected]. Adapted from Thomson Reuters Scientific. CA denotes Canadian, CN denotes Chinese, PL denotes Polish, RU denotes Russian, US denotes United States patents. The information has the following format: Title, Abstract, Patent number, Inventors, Company, Issued/Filed dates.
Applications Carbon/Carbon Composite Ultra-High-Temperature Oxidation-Resistant Coating Layer and Preparation Method Thereof. The invention provides a carbon/carbon composite ultra-high-temperature oxidation-resistant coating layer, comprising the following components in percentage by volume: 60-80% of ZrB2, 10-20% of SiC, 5-10% of TaB2, and 5-10% of LuB6. The invention further provides a preparation method of the coating layer. The preparation method comprises the following steps of: (1) polishing, cleaning, and drying the carbon/ carbon composite; (2) carrying out ball milling on ZrB2, SiC, TaB2, and the LuB6 into power; and (3) spraying the power on the surface of the carbon/carbon composite by supersonic-speed plasma spraying equipment, so that a carbon/carbon composite ZrB2-SiC-TaB2-LuB6 coating layer can be formed. The coating layer prepared by the preparation method is compact, even, good in mechanical property, high in combination strength with the base body of the carbon/carbon composite, and capable of effectively improving the ultra-high-temperature oxidation resistance of the carbon/carbon composite. CN 102659452: Yunfeng Hua, Jihong Du, Shouchang Ji, Zhengxian Li, Baoyun Wang, and Yanfeng Wang. Company: NW Inst. Nonferrous Metal Res. Issued/Filed: 2014-01-01/ 2012-05-31. Precious Metal Particle-Dispersed Toughened Composite Thermal Barrier Coating and Its Preparation Method. The invention which relates to a precious metal particle-dispersed toughened composite thermal barrier coating and its preparation method belongs to the composite material field. The composite thermal barrier coating comprises a composite adhesion layer formed by a precious metal particle-dispersed Al2O3-rare earth oxide, and a thermal insulation layer formed by various low-thermal-conduction ceramic single or double layers toughened by the dispersed precious metal particles. The dispersed precious metal particles comprise Au, Pt, a Pt-Au alloy, and a Pt-Rh alloy, and account for 0.5-3% of the composite thermal barrier coating. The preparation method adopts a composite sol-gel hot press filter sintering technology, a composite sol-gel pressurizing microwave sintering technology or a plasma spray technology to prepare the precious metal particle-dispersed toughened composite thermal barrier coating, so the composite thermal barrier coating has the advantages of excellent thermal barrier performance, excellent high-temperature oxidation resistance, excellent cracking resistance, excellent stripping resistance, excellent thermal shock resistance, stable structure, wide use temperatu
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