| Investigation of Surface Reaction and Degradation Mechanism of Kapton during Atomic Oxygen Exposure |
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| 作者姓名： | ShuwangDUO MeishuanLI YanchunZHOU JingyuTONG GangSUN |
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| 作者单位： | [1]ShenyangNationalLaboratoryforMaterialsScience,InstituteofMetalResearch,ChineseAcademyofSciences,Shenyang110016,China [2]BeijingInstituteofSatelliteEnvironmentEngineering,Beijing100029,China |
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| 摘 要： | The erosion behavior of Kapton when exposed to atomic oxygen (AO) environment in the ground-based simulation facility was studied. The chemical and physical changes of sample surfaces after exposed to AO fluxes were investigated by X-ray photoelectron spectroscopy (XPS), scanning electron microscopy (SEM) and atomic force microscopy (AFM). The results indicated that Kapton underwent dramatically degradation, including much mass loss and change of surface morphologies; vacuum outgassing effect of Kapton was the key factor for initial mass loss in the course of atomic oxygen beam exposures. XPS analysis showed that the carbonyl group in Kapton reacted with oxygen atoms to generate CO2, then CO2 desorbed from Kapton surface. In addition, PMDA in the polyimide structure degraded due to the reaction with atomic oxygen of 5 eV.
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| 关 键 词： | 退化机制 扫描电子显微镜 二氧化碳 聚酰亚胺 氧原子 腐蚀行为 |
Investigation of Surface Reaction and Degradation Mechanism of Kapton during Atomic Oxygen Exposure |
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| ShuwangDUO MeishuanLI YanchunZHOU JingyuTONG GangSUN.Investigation of Surface Reaction and Degradation Mechanism of Kapton during Atomic Oxygen Exposure[J].Journal of Materials Science & Technology,2003,19(6):535-539. |
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| Authors: | Shuwang DUO Meishuan LI Yanchun ZHOU Jingyu TONG Gang SUN |
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| Affiliation: | Shenyang National Laboratory for Materials Science, Institute of Metal Research, Chinese Academy of Sciences,\ Shenyang 110016, China |
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| Abstract: | The erosion behavior of Kapton when exposed to atomic oxygen (AO) environment in the ground-based simulation facility was studied. The chemical and physical changes of sample surfaces after exposed to AO fluxes were investigated by X-ray photoelectron spectroscopy (XPS), scanning electron microscopy (SEM) and atomic force microscopy (AFM). The results indicated that Kapton underwent dramatically degradation, including much mass loss and change of surface morphologies; vacuum outgassing effect of Kapton was the key factor for initial mass loss in the course of atomic oxygen beam exposures. XPS analysis showed that the carbonyl group in Kapton reacted with oxygen atoms to generate CO2, then CO2 desorbed from Kapton surface. In addition, PMDA in the polyimide structure degraded due to the reaction with atomic oxygen of 5 eV. |
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| Keywords: | Kapton Corrosion XPS Atomic oxygen |
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