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12. 发明授权

US5976704A Composite metallizing wire and method of using 失效
标题翻译：复合金属丝及其使用方法
公开(公告)号：US5976704A
公开(公告)日：1999-11-02
申请号：US515085
申请日：1995-08-14
申请人： Robert Corbly McCune
发明人： Robert Corbly McCune
IPC分类号： C23C4/04 , C23C4/06 , C23C4/16 , B32B15/00
CPC分类号： C23C4/16 , C23C4/04 , C23C4/06 , Y10T428/25 , Y10T428/252
摘要： A composite metallizing wire useful in thermal flame spraying, having a conductive metallic solid core wire strand and a coating consisting of solid lubricant particles (i.e., graphite, BN, Teflon) and wear-resistant particles (i.e., SiC, TiC, Cr.sub.3 C.sub.2) homogeneously suspended in a conductive metal (i.e., Ni, Fe, Cr, Mo, Ti) complementary to said solid core wire strand.A method of making such composite metallizing wire useful in thermal flame spraying, comprising submersing a solid core wire mandrel of conductive metal in a plating bath to act as a cathode, the bath containing conductive metal salt and an electrolyte having a salt with a depositable metal and a dispersant of wear-resistant particles (i.e., in an amount of from 20-150 grams/liter) and solid lubricant particles (i.e., in an amount of from 10-200 grams/liter), and energizing the electrolyte to codeposit metal from said electrolyte along with wear-resistant particles and solid lubricant particles onto said wire mandrel.A method of thermal spraying to produce a metal matrix composite coating, comprising providing a thermalizing through-flow chamber with an exit nozzle, the chamber having a gas flow-through of at least 100 ms.sup.-1, establishing a flame in said chamber, and feeding a composite coated wire into said flame to be melted and projected by the gas flow to a target, the wire being constructed as above.
摘要翻译：一种用于热火焰喷涂的复合金属丝，具有导电金属实芯芯线和由固体润滑剂颗粒（即石墨，BN，特氟隆）和耐磨颗粒（即，SiC，TiC，Cr 3 C 2）均匀组成的涂层悬浮在与所述实芯芯线互补的导电金属（即Ni，Fe，Cr，Mo，Ti）中。一种制造这种用于热火焰喷涂的复合金属线的方法，包括将导电金属的实心芯线心轴浸在镀浴中以充当阴极，含有导电金属盐的浴和具有可沉积金属的盐的电解液和耐磨颗粒的分散剂（即，量为20-150克/升）和固体润滑剂颗粒（即，10-200克/升的量），并将电解质分解成共沉积金属从所述电解质以及耐磨颗粒和固体润滑剂颗粒到所述线心轴上。一种热喷涂方法以制备金属基质复合涂层，包括提供具有出口喷嘴的热化通流室，所述室具有至少100ms -1的气体流通，在所述室中建立火焰，以及将复合涂覆的线材馈送到所述火焰中，以将其熔化并被气流投射到靶材上，所述线材如上所述构造。

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