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1. 发明授权

US5837326A Thermally sprayed titanium diboride composite coatings 失效
标题翻译：热喷涂二硼化钛复合涂层
公开(公告)号：US5837326A
公开(公告)日：1998-11-17
申请号：US630445
申请日：1996-04-10
申请人： Serge Dallaire , Henri L. Levert
发明人： Serge Dallaire , Henri L. Levert
IPC分类号： C23C4/06 , C23C4/10 , C23C4/16
CPC分类号： C23C4/06
摘要： Abrasion-wear resistant thermal sprayed stainless steel based coatings are disclosed, particularly arc sprayed stainless steel coatings containing titanium diboride crystals which impart hardness to the soft stainless steel matrix and enhance their resistance to hard abrasive media. There is also disclosed a process for making core wires composed of stainless steel sheaths and cores composed of a mixture of titanium diboride, stainless steel and certain additives. During the thermal spraying operation, the stainless steel sheath and the core material melt to form a composite coating containing fine hard titanium boride crystals dispersed within stainless steel. The arc sprayed stainless steel based coatings are more resistant to abrasion wear than solid pieces of type 304 stainless steel and other arc-sprayed stainless steel-based coatings available on the market. Although reference is made mainly to the arc spraying process, the core wires are suitable for other thermal spraying processes that use wires as the feed material, for instance combustion and arc-plasma spraying and weld overlay surfacing techniques.
摘要翻译：公开了耐磨耗热喷涂不锈钢基涂层，特别是包含二硼化钛晶体的电弧喷涂不锈钢涂层，其赋予软不锈钢基体硬度并增强其对硬磨料介质的耐性。还公开了一种制造由不锈钢护套组成的芯线和由二硼化钛，不锈钢和某些添加剂的混合物构成的芯的方法。在热喷涂操作期间，不锈钢护套和芯材熔化形成复合涂层，其中含有分散在不锈钢内的细硬质硼化钛晶体。电弧喷涂的不锈钢基涂层比市场上可获得的类型304不锈钢和其他电弧喷涂不锈钢基涂层的固体片更耐磨损。尽管主要涉及电弧喷涂工艺，但芯线适用于使用电线作为进料的其他热喷涂工艺，例如燃烧和电弧等离子体喷涂和焊接覆盖表面技术。

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