采用固相反应法,在1350 ℃下制备理论组成为Mg2(1-x)Tm2xAl4Si5O18(x=0、0.02、0.04、0.06、0.08)的堇青石体系红外辐射材料.利用XRD、SEM、IR和红外辐射测试等研究了样品的结构与红外辐射性能.结果表明:随着Tm3+含量的增加,样品的XRD和IR谱图发生改变,样品的红外辐射性能明显增加;当x=0.08时,样品的法向全波段辐射率达到0.91.
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