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对以SiO_2、Al_2O_3、MgCO_3、CaCO_3和稀土氧化物等为原料制备的超细陶瓷粉体进行了红外干扰性能研究。研究结果表明,不同粒径的陶瓷粉体对红外辐射的干扰效果和持续时间有很大差异,最终确定超细陶瓷粉体的最佳平均粒径应处在3.5～5.5μm范围。
The infrared interference properties of ultrafine ceramic powders prepared from SiO_2, Al_2O_3, MgCO_3, CaCO_3 and rare earth oxides were studied. The results show that the interference effect and the duration of infrared radiation of ceramic powder with different particle size are greatly different. The final average particle size of ultrafine ceramic powder should be determined in the range of 3.5 ~ 5.5μm.