以陶瓷前驱体树脂为成膜物,以过渡金属氧化物和硼化物为填料,采用空气喷涂工艺在镍基高温合金和C/C基材上制备出了高温散热性能好、抗热震性好的高温高辐射涂层,并用DSC-TG、光学显微镜和风洞对涂层性能进行表征.结果表明:该涂层室温～827℃发射率达到0.85 ～ 0.92,827℃～室温抗热震循环20次后涂层不剥离、不脱落;该涂层在290 kW/m2冷壁热流、300 s时长的风洞考核条件下,可将镍基高温合金基材温度从686℃降到646℃,降温40℃.
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