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    • 4. 发明申请
    • ENVIRONMENTAL BARRIER COATINGS FOR HIGH TEMPERATURE CERAMIC COMPONENTS
    • 高温陶瓷组件的环境阻隔涂层
    • US20120077004A1
    • 2012-03-29
    • US12627474
    • 2009-11-30
    • GLEN HAROLD KIRBYBrett Allen Boutwell
    • GLEN HAROLD KIRBYBrett Allen Boutwell
    • B32B7/02B32B9/04
    • C04B41/52C04B41/009C04B41/89Y10T428/24967C04B41/4527C04B41/5096C04B41/4539C04B41/5024C04B41/5037C04B41/5092C04B41/4535C04B41/455C04B41/5022C04B35/565C04B35/581C04B35/806
    • Environmental barrier coatings for high temperature ceramic components, the barrier coatings including a bond coat layer including silicon; an optional silica layer; at least one transition layer including: from about 85% to about 100% by volume of the transition layer of a primary transition material selected from mullite, BSAS, or a mullite/BSAS mixture; and from 0% to about 15% by volume of the transition layer of a secondary material selected from rare earth oxide, rare earth disilicate, rare earth monosilicate, rare earth elements, rare earth containing aluminosilicate glass, rare earth and alkaline earth containing aluminosilicate glass, rare earth aluminates, phosphorous pentoxide, phosphorous containing aluminosilicate glass, phosphorous and alkaline earth containing aluminosilicate glass, aluminum orthophosphate, aluminum oxide, and combinations thereof; and an outer layer including: from about 85% to about 100% by volume of the outer layer of a primary outer material comprising BSAS; and from 0% to about 15% by volume of the outer layer of the secondary material wherein a reaction between a sintering aid in the coating and at least one of the primary transition material or the primary outer material results in the transition layer comprising a porosity of from 0% to about 30% by volume of the transition layer, and the outer layer comprising a porosity of from 0% to about 15% by volume of the outer layer.
    • 用于高温陶瓷部件的环境阻挡涂层,阻挡涂层包括包括硅的粘合涂层; 任选的二氧化硅层; 至少一个过渡层,包括:选自莫来石,BSAS或富铝红柱石/ BSAS混合物的一次过渡材料的过渡层的约85体积%至约100体积% 和选自稀土氧化物,稀土二硅酸盐,稀土单硅酸盐,稀土元素,含稀土的铝硅酸盐玻璃,含有铝硅酸盐玻璃的稀土和碱土金属的二次物质的过渡层的0体积%至约15体积% ,稀土铝酸盐,五氧化二磷,含磷铝硅酸盐玻璃,含磷和碱土的含铝硅酸盐玻璃,正磷酸铝,氧化铝及其组合; 和外层,其包括:包含BSAS的初级外部材料的外层的约85%至约100%体积; 和第二材料外层的0%至约15%体积,其中涂层中的烧结助剂与至少一种初级过渡材料或初级外部材料之间的反应导致过渡层包含孔隙率 为过渡层的0体积%至约30体积%,外层包含外层的0体积%至约15体积%的孔隙率。
    • 10. 发明申请
    • SOLVENT BASED ENVIRONMENTAL BARRIER COATINGS FOR HIGH TEMPERATURE CERAMIC COMPONENTS
    • 用于高温陶瓷组件的基于溶剂的环境阻挡涂层
    • US20110027557A1
    • 2011-02-03
    • US12641980
    • 2009-12-18
    • GLEN HAROLD KIRBYBrett Allen Boutwell
    • GLEN HAROLD KIRBYBrett Allen Boutwell
    • B32B7/02B32B17/06B32B9/04
    • C04B41/52C04B41/009C04B41/89Y10T428/24967C04B41/4523C04B41/5096C04B41/4539C04B41/4549C04B41/5024C04B41/5027C04B41/524C04B35/565C04B35/584C04B35/806
    • Environmental barrier coatings for high temperature ceramic components including a bond coat layer; an optional silica layer; and at least one transition layer including: from about 85% to about 100% by volume of the transition layer of a primary transition material including a rare earth disilicate, or a doped rare earth disilicate; and from 0% to about 15% by volume of the transition layer of a secondary material selected from Fe2O3, iron silicates, rare earth iron oxides, Al2O3, mullite, rare earth aluminates, rare earth aluminosilicates, TiO2, rare earth titanates, Ga2O3, rare earth gallates, NiO, nickel silicates, rare earth nickel oxides, Lnb metals, Lnb2O3, Lnb2Si2O7, Lnb2SiO5, borosilicate glass, alkaline earth silicates, alkaline earth rare earth oxides, alkaline earth rare earth silicates, and mixtures thereof; where the transition layer is applied to the component as a slurry including at least an organic solvent, the primary transition material and at least one slurry sintering aid, and where a reaction between the slurry sintering aid and the primary transition material results in the transition layer having a porosity of from 0% to about 15% by volume of the transition layer.
    • 用于高温陶瓷部件的环境阻隔涂层,包括粘结涂层; 任选的二氧化硅层; 和至少一个过渡层,其包括:包含稀土二硅酸盐的初级过渡材料或掺杂的稀土硅酸盐的过渡层的约85体积%至约100体积% 和选自Fe 2 O 3,硅酸铁,稀土类氧化铁,Al 2 O 3,莫来石,稀土铝酸盐,稀土铝硅酸盐,TiO 2,稀土类钛酸盐,Ga 2 O 3等的二次物质的过渡层的0体积%〜约15体积% 稀土镓酸盐,NiO,硅酸镍,稀土氧化镍,Lnb金属,Lnb2O3,Lnb2Si2O7,Lnb2SiO5,硼硅酸盐玻璃,碱土金属硅酸盐,碱土金属稀土氧化物,碱土金属稀土硅酸盐及其混合物; 其中所述过渡层作为包含至少一种有机溶剂,所述一级过渡材料和至少一种浆料烧结助剂的浆料施加到所述组分上,并且其中所述浆料烧结助剂和所述一级过渡材料之间的反应导致所述过渡层 具有过渡层的0%至约15体积%的孔隙率。