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1. 发明申请

US20090126833A1 SLURRY DIFFUSION ALUMINIDE COATING COMPOSITION AND PROCESS 有权
标题翻译：浆料扩散铝铝涂料组合物和工艺
公开(公告)号：US20090126833A1
公开(公告)日：2009-05-21
申请号：US11940507
申请日：2007-11-15
申请人： Dennis William Cavanaugh , Canan Uslu Hardwicke , Matthew James OConnell , Todd Steven Moran
发明人： Dennis William Cavanaugh , Canan Uslu Hardwicke , Matthew James OConnell , Todd Steven Moran
IPC分类号： C23C22/05 , C09D5/00
CPC分类号： C23C10/20 , C23C10/60
摘要： A slurry and slurry coating process for forming a diffusion aluminide coating on a substrate, including internal surfaces within the substrate. The process involves preparing a slurry of a powder containing a metallic aluminum alloy having a melting temperature higher than aluminum, an activator capable of forming a reactive halide vapor with the metallic aluminum, and a binder containing an organic polymer. The slurry is applied to surfaces of the substrate, which is then heated to burn off the binder, vaporize and react the activator with the metallic aluminum to form the halide vapor, react the halide vapor at the substrate surfaces to deposit aluminum on the surfaces, and diffuse the deposited aluminum into the surfaces to form a diffusion aluminide coating. The process can be tailored to selectively produce an inward or outward-type coating. The binder burns off to form an ash residue that can be readily removed.
摘要翻译：用于在基底上形成扩散铝化物涂层的浆料和浆料涂覆方法，包括在基底内的内表面。该方法包括制备含有熔融温度高于铝的金属铝合金粉末的粉末，能够与金属铝形成反应性卤化物蒸气的活化剂和含有机聚合物的粘合剂。将浆料施加到基材的表面，然后将其加热以烧掉粘合剂，使活化剂与金属铝蒸发并使其反应以形成卤化物蒸气，使基材表面上的卤化物蒸气反应以在表面上沉积铝，并将沉积的铝扩散到表面中以形成扩散铝化物涂层。可以调整该方法以选择性地产生向内或向外的涂层。粘合剂烧掉形成可以容易地除去的灰渣。

2. 发明授权

US08916005B2 Slurry diffusion aluminide coating composition and process 有权
标题翻译：浆料扩散铝化物涂层组成及工艺
公开(公告)号：US08916005B2
公开(公告)日：2014-12-23
申请号：US11940507
申请日：2007-11-15
申请人： Dennis William Cavanaugh , Canan Uslu Hardwicke , Matthew James OConnell , Todd Steven Moran
发明人： Dennis William Cavanaugh , Canan Uslu Hardwicke , Matthew James OConnell , Todd Steven Moran
IPC分类号： C23C16/12
CPC分类号： C23C10/20 , C23C10/60
摘要： A slurry and slurry coating process for forming a diffusion aluminide coating on a substrate, including internal surfaces within the substrate. The process involves preparing a slurry of a powder containing a metallic aluminum alloy having a melting temperature higher than aluminum, an activator capable of forming a reactive halide vapor with the metallic aluminum, and a binder containing an organic polymer. The slurry is applied to surfaces of the substrate, which is then heated to burn off the binder, vaporize and react the activator with the metallic aluminum to form the halide vapor, react the halide vapor at the substrate surfaces to deposit aluminum on the surfaces, and diffuse the deposited aluminum into the surfaces to form a diffusion aluminide coating. The process can be tailored to selectively produce an inward or outward-type coating. The binder burns off to form an ash residue that can be readily removed.
摘要翻译：用于在基底上形成扩散铝化物涂层的浆料和浆料涂覆方法，包括在基底内的内表面。该方法包括制备含有熔融温度高于铝的金属铝合金粉末的粉末，能够与金属铝形成反应性卤化物蒸气的活化剂和含有机聚合物的粘合剂。将浆料施加到基材的表面，然后将其加热以烧掉粘合剂，使活化剂与金属铝蒸发并使其反应以形成卤化物蒸气，使基材表面上的卤化物蒸气反应以在表面上沉积铝，并将沉积的铝扩散到表面中以形成扩散铝化物涂层。可以调整该方法以选择性地产生向内或向外的涂层。粘合剂烧掉形成可以容易地除去的灰渣。

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