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1. 发明申请

US20070009660A1 Method for local application of diffusion aluminide coating 审中-公开
标题翻译：局部应用扩散铝化物涂层的方法
公开(公告)号：US20070009660A1
公开(公告)日：2007-01-11
申请号：US10552719
申请日：2005-08-08
申请人： Akiko Sasaki , Narihito Ohi , Shigekazu Muneda , Hideo Takahashi
发明人： Akiko Sasaki , Narihito Ohi , Shigekazu Muneda , Hideo Takahashi
IPC分类号： B05D3/00 , C23C16/00
CPC分类号： F01D5/005 , C23C10/02 , C23C10/04 , C23C10/18 , C23C10/30 , C23C10/48 , F01D5/288 , F05D2230/80 , F05D2230/90 , F05D2300/611
摘要： A method includes a component preparation step 10 of exposing local areas (damaged areas of an existing coating) of a base material of a metal component 1 to be coated, and roughening a surface of the base material to a desired surface roughness, a slurry preparation step 12 of preparing a coating slurry that contains a halide activator, a water soluble organic binder, and powder of an aluminum-containing intermetallic compound 3, an application and drying step 14 of applying the coating slurry to the damaged areas of the metal component, and then drying the areas, a packing step 16 of packing the metal component in a heat-resistant container filled with alumina powder, a diffusion treatment step 18 of retaining the heat-resistant container at high temperature in an inert atmosphere or a reducing atmosphere to diffuse aluminum onto the surface of the metal component, and a cleaning step 20 of taking out the metal component from the heat resistant container, and removing a slag from the surface of the metal component.
摘要翻译：一种方法包括：组分准备步骤10，其将要涂覆的金属组分1的基材的局部区域（现有涂层的损坏区域）暴露，并将基材的表面粗糙化至所需的表面粗糙度;浆料制备制备包含卤化物活化剂，水溶性有机粘合剂和含铝金属间化合物3的粉末的涂料浆料的步骤12，将涂料浆料涂覆到金属组分的损坏区域的涂布和干燥步骤14，然后干燥该区域，将填充氧化铝粉末的耐热容器中的金属成分填充的填充工序16，在惰性气氛或还原气氛中将耐热容器保持在高温下的扩散处理工序18 将铝扩散到金属部件的表面上，以及清洁步骤20，从耐热容器中取出金属成分，并从金属部件的表面。

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