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    • 5. 发明申请
    • Corrosion inhibiting ceramic coating and method of application
    • 防腐陶瓷涂层及其应用方法
    • US20070128447A1
    • 2007-06-07
    • US11293448
    • 2005-12-02
    • Brian HazelLawrence Kool
    • Brian HazelLawrence Kool
    • B05D3/02B05D1/02
    • C23C26/00C23C28/027C23C28/028Y02T50/67Y02T50/6765
    • A corrosion resistant coating for engine components such as turbine disks, turbine seal elements and turbine shafts. This coating may also find application to other turbine components that are subjected to high temperatures and corrosive environments, such as turbine components located within or on the boundary of the gas fluid flow path, including for example turbine blades, turbine vanes, liners and exhaust flaps. The corrosion resistant coating of the present invention in service on a gas turbine component includes a glassy ceramic matrix wherein the glassy matrix is silica-based and particles selected from the group consisting of refractory oxide particles, MCrAlX particles and combinations of these particles, substantially uniformly distributed within the matrix. The refractory oxide and/or the MCrAlX provides the coating with corrosion resistance. Importantly the coating of the present invention has a coefficient of thermal expansion (CTE) greater than alumina. The CTE of the coating is sufficiently close to the substrate material, that is, the component to which it is applied, such that the coating does not spall after frequent engine cycling at elevated temperature
    • 发动机部件如涡轮盘,涡轮密封元件和涡轮轴的耐腐蚀涂层。 该涂层还可以应用于经受高温和腐蚀性环境的其它涡轮机部件,例如位于气体流体流路的边界内或其上的涡轮机部件,包括例如涡轮机叶片,涡轮叶片,衬管和排气翼 。 在燃气轮机部件上使用的本发明的耐腐蚀涂层包括玻璃质陶瓷基体,其中玻璃质基质是基于二氧化硅的,并且选自由耐火氧化物颗粒,MCrAlX颗粒和这些颗粒的组合组成的组的颗粒,基本均匀 分布在矩阵内。 难熔氧化物和/或MCrAlX为涂层提供耐腐蚀性。 重要的是,本发明的涂层具有比氧化铝大的热膨胀系数(CTE)。 涂层的CTE足够接近基材,即其所施加的组分,使得涂层在高温下经常发动机循环后不会分散
    • 10. 发明申请
    • Touch-up of layer paint oxides for gas turbine disks and seals
    • 用于燃气轮机盘和密封件的层漆氧化物的接触
    • US20050138805A1
    • 2005-06-30
    • US10747458
    • 2003-12-29
    • Brian HazelEva LanmanJoseph HeaneyMichael Weimer
    • Brian HazelEva LanmanJoseph HeaneyMichael Weimer
    • C09D1/00C09D1/02C09D4/00C09D5/18F01D5/28F01D25/00B23P6/00B23K9/04
    • F01D5/286C09D1/00C09D1/02C09D5/18F01D5/288F01D25/007F05D2230/80F05D2230/90F05D2300/2112F05D2300/611Y02T50/67Y10T29/49318Y10T29/49746Y10T29/49885
    • The present invention is a process for applying oxide paint as a touch-up paint for an oxide-based corrosion inhibiting coating with at least one imperfection region. Such oxide-based corrosion inhibiting coatings are applied on superalloy components used for moderately high temperature applications, such as the superalloy components found in the high-pressure turbine (HPT) section of a gas turbine engine, including turbine disks and seals. However, during the application of oxide-based corrosion inhibiting coatings, imperfection regions sometimes occur, exposing the superalloy substrate beneath the oxide-based corrosion inhibiting coating. Such imperfection regions can include a spalled region, a scratched region, a chipped region, an uncoated region, or combinations thereof. The process of the present invention is useful where aircraft engine components have been treated with a corrosion inhibiting three-layer paint oxide system comprising chromia and alumina, but where a small imperfection region or regions within the layer oxide system are present after initial manufacture, refurbishment, or repair of the component.
    • 本发明是一种将氧化物涂料用作具有至少一个不完美区域的氧化物基腐蚀抑制涂层的上涂料的方法。 这种基于氧化物的腐蚀抑制涂层被应用于用于适度高温应用的超级合金部件上,例如在包括涡轮盘和密封件的燃气涡轮发动机的高压涡轮机(HPT)部分中发现的超级合金部件。 然而,在施加氧化物基腐蚀抑制涂层期间,有时会出现缺陷区域,使超合金基底暴露于氧化物基腐蚀抑制涂层之下。 这样的缺陷区域可以包括剥落区域,划痕区域,切屑区域,未涂覆区域或其组合。 本发明的方法在飞机发动机部件已经被包括氧化铬和氧化铝的腐蚀抑制三层涂料氧化物体系处理但在初始制造,翻新之后存在于氧化层系中的小缺陷区域或区域的情况下是有用的 ,或修理组件。