新型无机热控涂层的性能及应用
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北京卫星制造厂有限公司,北京 100190

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TG174.44

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Properties and Application of New Inorganic Thermal Control Coatings
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Beijing Spacecrafts, Beijing 100190

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    摘要:

    采用自制新型无机白色填料、无机黏结剂制备了高稳定无机热控涂层。对热控涂层的厚度、面密度、热辐射性能、真空挥发性、热循环性能、空间环境稳定性(真空-紫外、真空-质子、真空-电子、原子氧)及多种基材的适应性进行了测试与验证。结果表明:新型无机热控涂层的太阳吸收比≤0.07、半球发射率≥0.90、面密度200~360 g/m2,经过地面模拟空间环境试验后涂层的太阳吸收比退化量较小,具有优异的空间环境稳定性,适用于多种基材表面。

    Abstract:

    In this paper, a high stability inorganic thermal control coating was prepared by using self-made high stability inorganic white pigment and adhesive. The thickness, surface density, thermal radiation performance, vacuum volatility, thermal cycle performance, space environment stability(vacuum-untraviolet, vacuum-proton, vacuum-electron, atomic oxygen) and adaptability of various substrate were tested and verified. The results show that the solar absorption ratio of the high stability inorganic thermal control coating is 0.07, the hemispheric emissivity is 0.90, and the surface density is 200 to 360 g/m2. After the ground simulation space environment test, the degeneration of solar absorption is small,indicating that it has excellent space environment stability and is suitable for various substrate surfaces.

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张杭,张家强,崔庆新,白晶莹,张立功.新型无机热控涂层的性能及应用[J].宇航材料工艺,2021,51(5):103-107.

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历史
  • 收稿日期:2021-07-05
  • 最后修改日期:2021-09-22
  • 录用日期:2021-09-09
  • 在线发布日期: 2021-10-26
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