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    Thermal barrier coatings with lower porosity for improved impact and erosion resistance
    11.
    发明授权
    Thermal barrier coatings with lower porosity for improved impact and erosion resistance 失效
    具有较低孔隙率的热障涂层，以改善冲击和耐冲蚀性

    公开(公告)号：US06916561B1

    公开(公告)日：2005-07-12

    申请号：US10748518

    申请日：2003-12-30

    申请人： Irene Spitsberg ,  Brett Allen Boutwell

    发明人： Irene Spitsberg ,  Brett Allen Boutwell

    IPC分类号： C23C14/08 ,  C23C28/00 ,  C23C30/00 ,  F01D5/28 ,  B32B15/04 ,  C23C4/10 ,  C23C16/06 ,  F03B3/12

    CPC分类号： C23C28/321 ,  C23C14/08 ,  C23C14/083 ,  C23C28/3215 ,  C23C28/3455 ,  C23C30/00 ,  F01D5/288 ,  F05D2230/90 ,  F05D2300/2118 ,  F05D2300/611 ,  Y10T428/12611 ,  Y10T428/249953 ,  Y10T428/26 ,  Y10T428/265

    摘要： A reduced thermal conductivity thermal barrier coating having improved impact and erosion resistance for an underlying metal substrate of articles that operate at, or are exposed to, high temperatures. This coating comprises a zirconia-containing ceramic composition having a c/a ratio in the range of from about 1.0057 to about 1.0123 and stabilized in the tetragonal phase by a stabilizing amount of a stabilizing metal oxide. The coating has a fraction of porosity of from about 0.15 to about 0.25, and an impact and erosion resistance property defined by at least one of the following formulas: (a) I=exp. [5.85−(144×s)−(3.68×p)]; and/or; (b) E=[187−(261×p)−(9989×s)], wherein s=1.0117−c/a ratio; p is the fraction of porosity; I is least about 70 g/mil; and E is least about 80 g/mil. This coating can be used to provide a thermally protected article having a metal substrate and optionally a bond coat layer adjacent to and overlaying the metal substrate. The thermal barrier coating can be prepared by depositing the zirconia-containing ceramic composition on the bond coat layer, or the metal substrate in the absence of the bond coat layer.

    摘要翻译： 对于在高温下操作或暴露于高温的制品的底层金属基底，具有改善的耐冲击性和耐侵蚀性的降低的热导率热障涂层。 该涂层包含c / a比在约1.0057至约1.0123范围内并通过稳定化的稳定金属氧化物稳定在四方相中的含氧化锆的陶瓷组合物。 该涂层具有约0.15至约0.25的孔隙率，以及由下列至少一种所定义的耐冲击和耐腐蚀性能：（a）I = exp。 [5.85-（144xs） - （3.68xp）]; 和/或; （b）E = [187-（261xp） - （9989xs）]，其中s = 1.0117-c / a比; p是孔隙度的分数; 我至少约70g / mil; E至少约80g / mil。 该涂层可用于提供具有金属基底和任选的与金属基底相邻并覆盖金属基底的粘合涂层的热保护制品。 可以通过在不存在粘合涂层的情况下将含氧化锆的陶瓷组合物沉积在粘合涂层或金属基材上来制备热障涂层。

    Thermal barrier coatings with improved impact and erosion resistance
    12.
    发明授权
    Thermal barrier coatings with improved impact and erosion resistance 失效
    具有改善冲击和耐冲蚀性的热障涂层

    公开(公告)号：US06869703B1

    公开(公告)日：2005-03-22

    申请号：US10748513

    申请日：2003-12-30

    申请人： Irene Spitsberg ,  Brett Allen Boutwell

    发明人： Irene Spitsberg ,  Brett Allen Boutwell

    IPC分类号： B32B15/04 ,  C23C4/10 ,  C23C14/08 ,  C23C26/00 ,  C23C28/00 ,  C23C28/04 ,  C23C30/00 ,  F01D5/28 ,  F02C7/00 ,  C23C16/06 ,  F03B3/12

    CPC分类号： F01D5/288 ,  C04B35/486 ,  C04B2235/3206 ,  C04B2235/3208 ,  C04B2235/3224 ,  C04B2235/3225 ,  C04B2235/3227 ,  C04B2235/761 ,  C23C4/11 ,  C23C28/3215 ,  C23C28/3455 ,  C23C30/00 ,  Y10T428/12611 ,  Y10T428/249953 ,  Y10T428/265

    摘要： A reduced thermal conductivity thermal barrier coating having improved impact and erosion resistance for an underlying metal substrate of articles that operate at, or are exposed to, high temperatures. This coating comprises a zirconia-containing ceramic composition having a c/a ratio in the range of from about 1.0117 to about 1.0148 and stabilized in the tetragonal phase by a stabilizing amount of a stabilizer metal oxide. The coating has a fraction of porosity of from about 0.10 to about 0.25, and an impact and erosion resistance property defined by at least one of the following formulas: (a) I=exp.[5.85−(144×s)−(3.68×p)]; and/or; (b) E=[187−(261×p)−(9989×s)], wherein s=1.0117−c/a ratio; p is the fraction of porosity; I is least about 140 g/mil; and E is least about 130 g/mil. This coating can be used to provide a thermally protected article having a metal substrate and optionally a bond coat layer adjacent to and overlaying the metal substrate. The thermal barrier coating can be prepared by depositing the zirconia-containing ceramic composition on the bond coat layer, or the metal substrate in the absence of the bond coat layer.

    摘要翻译： 对于在高温下操作或暴露于高温的制品的底层金属基底，具有改善的耐冲击性和耐侵蚀性的降低的热导率热障涂层。 该涂层包含具有约1.0117至约1.0148范围内的c / a比的稳定金属氧化物稳定在四方相中的含氧化锆陶瓷组合物。 涂层具有约0.10至约0.25的孔隙率分数，以及由下列至少一种所定义的耐冲击和耐腐蚀性能：（a）I = exp。[5.85-（144xs） - （3.68xp） ]; 和/或; （b）E = [187-（261xp） - （9989xs）]，其中s = 1.0117-c / a比; p是孔隙度的分数; 我至少约140克/密耳; E至少约为130克/密耳。 该涂层可用于提供具有金属基底和任选的与金属基底相邻并覆盖金属基底的粘合涂层的热保护制品。 可以通过在不存在粘合涂层的情况下将含氧化锆的陶瓷组合物沉积在粘合涂层或金属基材上来制备热障涂层。