IR Screening Characteristics of Doped Exfoliated Graphite
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The expandable graphite prepared by chemical oxidizing process was mixed with CuO and Fe3O4,respectively,and then expanded at 900 ℃. The expanded volumes of the doped exfoliated graphite (EGs) were tested,and the IR screening characteristics of the doped EGs were tested by a static screening testing system. Results show that the expanded volume of CuO doped EG decreases from 245 mL·g-1 to 130 mL·g-1,and the correspongding shielding efficiency decreases from 78.4% to 48.3%. The expanded volume of Fe3O4 doped EG decreases to 190 mL·g-1,and its shielding efficiency decreases to 73.7%. The IR shielding efficiencies of the two doped EGs are both inferior to that of the EG.
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豆正伟,李晓霞,赵纪金.掺杂膨胀石墨的红外遮蔽性能[J].含能材料,2011,19(1):82-85. DOU Zheng-wei, ,,et al. IR Screening Characteristics of Doped Exfoliated Graphite[J]. Chinese Journal of Energetic Materials,2011,19(1):82-85.