制备8批次EB-PVD双层结构热障涂层试样,采用循环加热快速冷却实验装置模拟热障涂层服役环境,开展了热障涂层试样在不同热循环保温时间条件下的热循环性能评价实验,采用指数下降的数学模型对热循环实验数据进行拟合分析,获得了表征热障涂层试样静态氧化性能和热疲劳性能的物理量.结果表明,在本实验工艺条件下制备的不同批次热障涂层试样的静态氧化性能和热疲劳性能具有不同的匹配关系,热障涂层试样静态氧化性能总体估计值为(677±194)h,热疲劳性能总体估计值为(6789±1818)次.
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