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    • 6. 发明授权
    • Dense barrier-coating system and method
    • 密集的防护涂层系统和方法
    • US08778498B1
    • 2014-07-15
    • US12463341
    • 2009-05-08
    • Thomas K. Tsotsis
    • Thomas K. Tsotsis
    • B32B27/00
    • B32B37/144B32B7/02B32B15/06B32B15/08B32B27/06B32B27/28B32B27/283B32B38/0012B32B2038/0016B32B2307/308B32B2307/51B32B2307/7244B32B2605/18Y10T428/12049Y10T428/31504Y10T428/31678
    • The disclosure provides for a system and method for dense barrier coatings for oxidation protection. In an embodiment of the disclosure, there is provided a dense barrier-coating system for use with a dry polymer-matrix composite (PMC) substrate having a first coefficient of thermal expansion. The system comprises a flexible sublayer free of water, wherein a first surface of the flexible sublayer is bonded to a first surface of the PMC. The system further comprises an oxygen-impervious, dense barrier-coating layer, wherein a first surface of the oxygen-impervious, dense barrier-coating layer is bonded to a second surface of the flexible sublayer, and further wherein the oxygen-impervious, dense barrier-coating layer is selected from the group consisting of metallic materials and ceramic materials each having a respective second coefficient of thermal expansion. The flexibility of the flexible sublayer protects the respective bonds when the first and second coefficients of thermal expansion are unequal.
    • 本公开提供了用于氧化保护的致密阻隔涂层的系统和方法。 在本公开的一个实施方案中,提供了与具有第一热膨胀系数的干燥聚合物 - 基质复合材料(PMC)基材一起使用的致密阻隔涂层系统。 该系统包括不含水的柔性子层,其中柔性子层的第一表面结合到PMC的第一表面。 所述系统还包括不透氧的致密的阻挡涂层,其中所述不透氧的致密的阻挡涂层的第一表面结合到所述柔性子层的第二表面,并且其中所述不透氧的,密集的 阻挡涂层选自金属材料和陶瓷材料,各自具有相应的第二热膨胀系数。 当第一和第二热膨胀系数不相等时,柔性子层的柔性保护各自的粘结。