Selected Patents Related to Thermal Spraying
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elected Patents Related to Thermal Spraying Issued between October 1 and December 31, 2012 Prepared by Jirˇı´ Mateˇjı´cˇek, Institute of Plasma Physics, Czech Republic; [email protected]. Adapted from Thomson Scientific, http://www.delphion.com/. CA denotes Canadian, CN denotes Chinese, CZ denotes Czech, EP denotes European, RO denotes Romanian, RU denotes Russian, US denotes United States patents. The information has the following format: Title, Abstract, Patent number, Inventors, Company, Issued/Filed dates.
Applications Gas/Plasma Spray Coating. A plasma spray process used for coating surfaces of a variety of components made of a plastic substrate. Powder particles are injected into a plasma jet where they soften and then strike the surface at high velocity to produce a strongly adherent coating. The component or work piece the coating is being applied to remains cool because the plasma is localized at the plasma gun. The plasma spray process allows for the melting of glass particles, creating a transfer mechanism to the plastic substrate. Components having complex shapes can be coated, without the issues currently encountered in dip coating. The powder coating is applied via plasma spraying, as a protective layer, giving glass like surface properties to a component having complex molded or formed shapes. CA 2765355: Mark P. Birka, Timothy F. OÕBrien, and Judson H. Whiteside. Company: Magna Int. Inc. Issued/Filed: 201210-02/2012-01-25. Method for Preparing Metallic Matrix Composite Coating Reinforced by Alumina Ceramics Particles. The invention relates to a method for preparing metallic matrix composite coating reinforced with alumina ceramics particles in the technical fields such as materials, electric power, metallurgy, machinery and the like, belonging to surface engineering techniques. The metallic matrix composite coating reinforced by alumina ceramics particles (Al2O3P/NiCrBSi) is prepared on the surface of the mild steel base material based on the characteristics of high wear and erosion resistance, low cost of the alumina materials, fine self-fluxing nature, wettability and plasma spraying technology of the NiCrBSi alloy, and the property of wearing and erosion resistance is improved. The technique process of preparing WCP/NiCrBSi composite material coating is as follows: coating design; sifting dusty spray; mixing the powder according to certain ratio; superficial treatment of base material; controlling plasma spraying parameter; and preparing WCP/NiCrBSi coating. CN 101580938: Daqian Sun, Wenbiao Gong, Yaowu Han, Wenquai Wang, Zhaozhi Xuan, Zhenan Ren, and Xiaoyan Gu. Company: Univ. of Jilin. Issued/Filed: 2012-10-03/200906-19. Quartz Glass Component with Reflector Layer and Method for Producing the Same. Methods for producing a quartz glass component with reflector layer are known in which a reflector layer composed of quartz glass acting as a diffuse reflector is produced on at least part of the surface of a substrate body composed of quartz glass. In order, taking this as a
446—Volume 22(4) April
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