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航天器用新型聚酰亚胺薄膜性能研究

, PP. 869-873

Keywords: 原子氧,聚酰亚胺,热控涂层,航天器,辐照试验

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Abstract:

原子氧是低地球轨道环境中对航天器影响较为严重的因素之一.为了提高聚酰亚胺薄膜抗原子氧侵蚀的性能,依据结构与性能的关系,设计合成了新型的聚酰亚胺薄膜.采用这种新型聚酰亚胺薄膜制备了二次表面镜,利用地面模拟设备对热控涂层进行原子氧暴露试验,结果表明其具有优异的耐原子氧侵蚀性能.此外,真空elax-elax紫外、真空elax-elax质子、真空elax-elax电子辐照等空间环境模拟试验表明,这种耐原子氧聚酰亚胺薄膜二次表面镜热控涂层具有良好的空间稳定性.

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