首页> 外国专利> Sintering resistant, low conductivity, high stability thermal barrier coating/environmental barrier coating system for a ceramic-matrix composite (CMC) article to improve high temperature capability

Sintering resistant, low conductivity, high stability thermal barrier coating/environmental barrier coating system for a ceramic-matrix composite (CMC) article to improve high temperature capability

机译：用于陶瓷基复合材料（CMC）制品的耐烧结，低电导率，高稳定性的热障涂层/环境隔热涂层系统，可提高高温性能

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摘要

A method for producing a thermal barrier coating/environmental barrier coating system on a silicon containing material substrate includes applying an environmental barrier coating (EBC) over the silicon containing material substrate; and applying a thermal barrier coating (TBC) over the EBC. The thermal barrier coating includes a compound having a primary constituent portion and a stabilizer portion stabilizing said primary constituent. The primary constituent portion of the thermal barrier coating includes hafnia present in an amount of at least about 5 mol % of the primary constituent and the stabilizer portion of said thermal barrier coating includes at least one metal oxide comprised of cations with a +2 or +3 valence present in the amount of about 10 to about 40 mol % of the thermal barrier coating.

机译：一种在含硅材料基底上制备热障涂层/环境屏障涂层系统的方法，包括在含硅材料基底上施加环境屏障涂层（EBC）;然后在EBC上涂一层隔热涂层（TBC）。隔热涂层包括具有主要成分部分和稳定所述主要成分的稳定剂部分的化合物。隔热涂层的主要组成部分包括氧化f，其含量占初级组成的至少约5mol％，并且所述隔热涂层的稳定剂部分包括至少一种金属阳离子，该金属氧化物由具有+2或+阳离子的阳离子组成。 3价存在于热障涂层的约10至约40摩尔％。

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公开/公告号US7867575B2

专利类型
公开/公告日2011-01-11

原文格式PDF
申请/专利权人 BRETT ALLEN ROHRER BOUTWELL;IRENE SPITSBERG;CHRISTINE GOVERN;BANGALORE A. NAGARAJ;BRIAN THOMAS HAZEL;
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申请/专利号US20070977336
发明设计人 BRIAN THOMAS HAZEL;BANGALORE A. NAGARAJ;IRENE SPITSBERG;CHRISTINE GOVERN;BRETT ALLEN ROHRER BOUTWELL;
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申请日2007-10-23
分类号B05D5/00;B32B15/04;B32B15/00;
国家 US
入库时间 2022-08-21 18:09:45

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