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<p>The paper studies two types of thermal control coatings for space vehicles that are based on ZnO pigment and KО-921 silicone varnish and deposited by conventional and additive manufacturing techniques. It is found that the deposition technique can significantly affect the performance of thermal control coatings, in particular optical properties and radiation resistance. In additive manufacturing, the solar absorption factor (<i>a</i><sub>s</sub> = 0.136) is lower than in brushing (<i>a</i><sub><i>s</i></sub> = 0.148). As for optical properties, they are more stable for the brushed than for the printed coating.</p>

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Optical properties and radiation resistance of thermal control coating deposited by different methods

  • 期刊论文

  • 发表日期：

    2025年10月1日

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  • M. M. Mikhailov,
  • A. N. Lapin,
  • S. A. Artishchev,
  • V. A. Goronchko,
  • S. A. Yuryev,
  • D. S Fedosov

摘要

The paper studies two types of thermal control coatings for space vehicles that are based on ZnO pigment and KО-921 silicone varnish and deposited by conventional and additive manufacturing techniques. It is found that the deposition technique can significantly affect the performance of thermal control coatings, in particular optical properties and radiation resistance. In additive manufacturing, the solar absorption factor (as = 0.136) is lower than in brushing (as = 0.148). As for optical properties, they are more stable for the brushed than for the printed coating.