Selected Patents Related to Thermal Spraying
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Selected Patents Related to Thermal Spraying Issued between October 1, 2006 and December 31, 2006 Prepared by Jirˇ ı´ Mateˇjı´ cˇek, Institute of Plasma Physics, Za Slovankou 3, 18200 Praha 8, Czech Republic; jmatejic@ ipp.cas.cz; tel: +420-266 053 307. Adapted with permission from Delphion, http://www.delphion.com/. CA denotes Canadian patent, EP denotes European patent, KR denotes Korean patent, US denotes United States patent, WO denotes World Intellectual Property Organization application. The information has the following format: Title, Abstract, Patent number, Inventors, Company, Issued/Filed dates.
Applications Erosion-Resistant Coatings and Methods Thereof. Erosion-resistant coating processes and material improvements for line-of-sight applications. The erosionresistant coating composition includes nanostructured grains of tungsten carbide (WC) and/or submicron-sized grains of WC embedded into a cobalt chromium (CoCr) binder matrix. A high-velocity air fuel thermal spray process (HVAF) is used to create thick coatings in excess of about 500 lm with high percentages of primary carbide for longer-life and more erosion-resistant coatings. These materials and processes are especially suited for hydroelectric turbine components. US 7141110: D.M. Gray, K. Anand, W.A. Nelson, H. Aunemo, A. Demers, and O. Rommetveit. Company: General Electric Co. Issued/Filed: Nov 28, 2006/ Dec 31, 2003. Industrial Fabrics Having Thermally Sprayed Protective Coating. A fabric or belt and a method for forming such a fabric or belt, including a base support structure and at least one coating with the coating being applied by a thermal spray process. WO 6113046: J. Salitsy and B.-C. Aberg. Company: Albany Intl. Corp. Issued/ Filed: Oct 10, 2006/March 24, 2006. Metal Sprayed Composite Part. A method of making an article having both a polymeric substrate and a metallic spray deposited layer is disclosed. The coefficients of thermal expansion of the polymeric substrate and the metallic layer are preferably similar.
Journal of Thermal Spray Technology
WO 6110409: E. Aversenti and C.P. Covine. Company: GMIC, Corp. Issued/Filed: Oct 19, 2006/April 4, 2006. Method of Preparing Metal Matrix Composite and Coating Layer and Bulk Prepared Thereby. This invention provides a method of preparing a metal matrix composite, and a coating layer and bulk prepared by using the same and in particular, it provides a method of preparing a metal matrix composite, which comprises the steps of providing a substrate; preparing a mixed powder comprising (i) a first metal powder comprising a metal, alloy, or mixture particle thereof, (ii) a second metal powder comprising an intermetallic compound forming metal particle that forms an intermetallic compound along with the metal or the alloy element of the alloy, and (iii) a ceramic powder comprising a ceramic or mixture particle thereof; injecting the mixed powder prepared above into a spray nozzle for coating; coating the mixed powder on the surface of the substrate by accelerating the mixed powder in the state of
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