The title IR radiation powder is prepared by spray dry technology,which is calcined at high temperature to form spinel structure,and then sprayed with plasma forming IR radiation coatings film.

• 采用料浆喷雾干燥工艺制备团聚型红外辐射粉体材料,经高温焙烧产生尖晶石结构,再用等离子喷涂工艺制备红外辐射涂层。