以MnO₂ 、Fe₂O₃ 、CuO、Co₂O₃ 等过渡金属氧化物为原料，经高温固相反应形成具有尖晶石结构的红外辐射粉料，并进一步与莫来石高温焙烧制备复合红外辐射粉料，然后与硅酸盐粘接剂混合制备了高热震稳定性的红外辐射涂料．对材料的结构、理化性能以及耐热震稳定性进行了研究，结果表明:所制备的具有尖晶石结构的红外辐射粉料和复合红外辐射粉料均具有优良的红外辐射性能，室温全波段辐射率分别为 0．91 和 0．90，各个波段内的法向辐射率均在 0．92 以上;涂覆复合红外辐射涂料后，高铝砖的辐射吸热和热交换能力明显增加，600℃时蓄热能力提高 4．99%，1200 ℃时蓄热能力提高 20．98%;复合红外辐射涂料的膨胀系数和基体膨胀系数匹配性较好，具有良好的耐热震稳定性．

A novel type of infrared radiant powders with spinel structure was prepared via the solid- state reaction of MnO₂ ,Fe₂O₃ ,CuO and Co₂O₃ powders at high temperature,and was mixed with mullite to obtain composite infra-red radiant powders via high- temperature calcination.Then,the product was mixed with silicate adhesive to fabri-cate infrared radiant coatings with high thermal shock resistance.Finally,the microstructure,physicochemicalproperties and thermal shock resistance of the coatings were investigated.The results show that (1) both the origi-nal and the composite infrared radiant powders exhibit excellent infrared radiation capability,for instance,they areof a room- temperature whole- band infrared emissivity of 0.90 and 0.91,respectively,as well as an infrared emis-sivity in narrow bands of more than 0.92; (2) the heat absorption and exchange capacity of high alumina brickwith composite infrared radiant coatings on its surface dramatically improves,for instance,the heat storage capacityimproves by 4.99% at 600℃ and by 20.98% at 1200℃; and (3) the thermal expansion coefficient of the com-posite infrared radiant coatings matches well with that of high alumina brick,which means that the composite coatingspossess excellent thermal shock resistance.