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    Diffusion coating process
    5.
    发明授权
    Diffusion coating process 有权
    扩散涂层工艺

    公开(公告)号：US07390534B2

    公开(公告)日：2008-06-24

    申请号：US10605858

    申请日：2003-10-31

    申请人： Dong-Sil Park ,  James Anthony Ruud ,  Jeffrey Allan Pfaendtner

    发明人： Dong-Sil Park ,  James Anthony Ruud ,  Jeffrey Allan Pfaendtner

    IPC分类号： B05D3/02 ,  B05D7/14

    CPC分类号： C23C10/30

    摘要： A process capable of depositing a diffusion coating of uniform thickness on localized surface regions of a component. The process makes use of an adhesive mixture containing a binding agent that is consumed as part of the deposition process so as not to negatively affect the quality and uniformity of the resulting coating. The process entails mixing a particulate donor material containing a coating element, a dissolved activator, and a particulate filler to form an adhesive mixture having a formable, malleable consistency. The adhesive mixture is applied to a surface of the component, and the component is heated to a temperature sufficient to vaporize and react the activator with the coating element of the donor material, thereby forming a reactive vapor of the coating element. The reactive vapor reacts at the surface of the component to form a diffusion coating containing the coating element.

    摘要翻译： 一种能够在组件的局部表面区域上沉积均匀厚度的扩散涂层的方法。 该方法使用含有作为沉积工艺的一部分消耗的粘合剂的粘合剂混合物，以便不会不利地影响所得涂层的质量和均匀性。 该方法需要混合含有涂层元素，溶解的活化剂和颗粒填料的颗粒供体材料，以形成具有可成形的可延展稠度的粘合剂混合物。 将粘合剂混合物施加到部件的表面上，并且将组分加热至足以蒸发并使活化剂与施主材料的涂层元件反应的温度，从而形成涂层元件的反应蒸气。 反应蒸汽在组分的表面处反应形成包含涂层元素的扩散涂层。

    Method for aluminide coating of gas turbine engine blade
    6.
    发明授权
    Method for aluminide coating of gas turbine engine blade 有权
    燃气轮机发动机叶片铝化物涂层方法

    公开(公告)号：US06929825B2

    公开(公告)日：2005-08-16

    申请号：US10357987

    申请日：2003-02-04

    申请人： Roger Dale Wustman ,  William Scott Walston ,  Matthew David Saylor ,  Brian Harvey Pilsner ,  Jeffrey Allan Pfaendtner

    发明人： Roger Dale Wustman ,  William Scott Walston ,  Matthew David Saylor ,  Brian Harvey Pilsner ,  Jeffrey Allan Pfaendtner

    IPC分类号： C23C10/08 ,  C23C16/44 ,  F01D5/28 ,  C23C16/06

    CPC分类号： F01D5/288 ,  C23C10/08 ,  Y02T50/67

    摘要： A method for applying an aluminide coating on a gas turbine engine blade having an external surface and an internal cooling cavity having an internal surface that is connected to the external surface by cooling holes. The method is conducted in a vapor coating container having a hollow interior coating chamber, and includes the steps of loading the coating chamber with the blade to be coated; providing an aluminide coating gas in the loaded coating chamber; flowing an inert carrier gas into the loaded coating chamber comprising the aluminide coating gas at a specified gas flow rate and time to move the aluminide coating gas through the cooling holes and internal cooling cavity and deposit an aluminide coating on the internal surface of the blade; and then flowing an inert carrier gas into the loaded coating chamber comprising the aluminide coating gas at a specified higher temperature and time to deposit an aluminide coating on the external surface of the blade.

    摘要翻译： 一种在具有外表面的燃气涡轮发动机叶片上施加铝化物涂层的方法和具有通过冷却孔连接到外表面的内表面的内部冷却腔。 该方法在具有中空的内部涂覆室的蒸气涂覆容器中进行，并且包括以下步骤：将涂覆室与待涂覆的刀片装载; 在装载的涂覆室中提供铝化物涂覆气体; 将惰性载气以特定的气体流量和时间流动到包含铝化物涂层气体的负载涂层室中，以移动铝化物涂层气体通过冷却孔和内部冷却腔，并将铝化物涂层沉积在刀片的内表面上; 然后使惰性载气在特定的较高温度和时间下流入包含铝化物涂层气体的装载的涂覆室中，以将铝化物涂层沉积在刮板的外表面上。

    Method of selective region vapor phase aluminizing
    10.
    发明授权
    Method of selective region vapor phase aluminizing 有权
    选择性区域气相镀铝的方法

    公开(公告)号：US07163718B2

    公开(公告)日：2007-01-16

    申请号：US10685637

    申请日：2003-10-15

    申请人： Nripendra Nath Das ,  Joseph David Rigney ,  Jeffrey Allan Pfaendtner ,  Matthew David Saylor

    发明人： Nripendra Nath Das ,  Joseph David Rigney ,  Jeffrey Allan Pfaendtner ,  Matthew David Saylor

    IPC分类号： C23C16/00

    CPC分类号： C23C10/06 ,  C23C10/02 ,  C23C10/14 ,  Y02T50/67 ,  Y10T428/12736

    摘要： A process for forming diffusion aluminide coatings on an uncoated surface of a substrate, without interdiffusing a sufficient amount of aluminum into a coating layer to adversely affect the coating growth potential and mechanical properties of said coating layer. A metal substrate is provided comprising an external surface and an internal passage therein defined by an internal surface, at least a portion of the external surface of the substrate being coated with a coating layer selected from the group consisting of β-NiAl-base, MCrAlX, a line-of-sight diffusion aluminide, a non-line-of-sight diffusion aluminide, a pack diffusion aluminide, and a slurry diffusion aluminide on said substrate. The metal substrate is subjected to an aluminum vapor phase deposition process.

    摘要翻译： 在基底的未涂覆表面上形成扩散铝化物涂层的方法，而不会将足够量的铝相互扩散到涂层中，从而不利地影响涂层生长电位和所述涂层的机械性能。 提供了一种金属基底，其包括由内表面限定的外表面和内部通道，所述基底的外表面的至少一部分被涂覆有选自β-NiAl基，MCrAlX ，视线扩散铝化物，非视线扩散铝化物，包层扩散铝化物和在所述衬底上的浆料扩散铝化物。 金属基板经受铝气相沉积工艺。