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Calcium-magnesium-aluminosilicate resistant coating and process of forming a calcium-magnesium-aluminosilicate resistant coating

机译:耐钙镁铝硅酸盐涂层和形成耐钙镁铝硅酸盐涂层的方法

摘要

A process (101) of forming a calcium-magnesium-aluminosilicate (CMAS) penetration resistant coating, and a CMAS penetration resistant coating are disclosed. The process includes providing a thermal barrier coating (110) having a dopant (112), and exposing the thermal barrier coating (110) to calcium-magnesium-aluminosilicate (114) and gas turbine operating conditions. The exposing forming a calcium-magnesium-aluminosilicate penetration resistant layer (201). The coating includes a thermal barrier coating composition (110) comprising a dopant (112) selected from the group consisting of rare earth elements, non-rare earth element solutes, and combinations thereof. Additional or alternatively, the coating includes a thermal barrier coating (110) and an impermeable barrier layer or a washable sacrificial layer positioned on an outer surface of the thermal barrier coating.
机译:公开了形成钙镁铝硅酸盐(CMAS)抗渗透涂层的方法(101)和CMAS抗渗透涂层。该方法包括提供具有掺杂剂(112)的隔热涂层(110),并将隔热涂层(110)暴露于钙镁铝硅酸盐(114)和燃气轮机的工作条件。暴露形成钙镁铝硅酸盐抗穿透层(201)。该涂层包括隔热涂层组合物(110),该隔热涂层组合物包含选自稀土元素,非稀土元素溶质及其组合的掺杂剂(112)。附加地或替代地,涂层包括隔热涂层(110)和位于隔热涂层的外表面上的不可渗透的隔热层或可洗的牺牲层。

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