Effect of vacuum ultraviolet radiation on X-ETFE cable

Zhang Haiming; Zhang Yi; Jia Xiao; Wang Kai; Tao Zhaozeng; Shen Shizhao; Wang Haiyu

doi:10.11884/HPLPB202234.220021

Volume 34 Issue 11

Sep. 2022

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Zhang Haiming, Zhang Yi, Jia Xiao, et al. Effect of vacuum ultraviolet radiation on X-ETFE cable[J]. High Power Laser and Particle Beams, 2022, 34: 114003. doi: 10.11884/HPLPB202234.220021

Citation:

Zhang Haiming, Zhang Yi, Jia Xiao, et al. Effect of vacuum ultraviolet radiation on X-ETFE cable[J]. High Power Laser and Particle Beams, 2022, 34: 114003. doi: 10.11884/HPLPB202234.220021

Zhang Haiming, Zhang Yi, Jia Xiao, et al. Effect of vacuum ultraviolet radiation on X-ETFE cable[J]. High Power Laser and Particle Beams, 2022, 34: 114003. doi: 10.11884/HPLPB202234.220021

Citation:

Zhang Haiming, Zhang Yi, Jia Xiao, et al. Effect of vacuum ultraviolet radiation on X-ETFE cable[J]. High Power Laser and Particle Beams, 2022, 34: 114003. doi: 10.11884/HPLPB202234.220021

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Effect of vacuum ultraviolet radiation on X-ETFE cable

doi: 10.11884/HPLPB202234.220021

1.
Components Engineering Center, China Aerospace, Beijing 100029, China
2.
The 23rd Research Institute, CETC, Shanghai 201900, China

Received Date: 2022-01-12
Rev Recd Date: 2022-05-27

Available Online: 2022-06-11

Publish Date: 2022-09-20

Abstract

Abstract

Taking the cross-linked ethylene tetrafluoroethylene copolymer (X-ETFE) cable used outside the spacecraft as the test object, the X-ETFE cable was irradiated with 8000 equivalent solar hours (ESH) vacuum ultraviolet (VUV) with a 5-fold acceleration factor. The electrical properties of the X-ETFE cable were analyzed through the limit voltage resistance and insulation material resistance tests. The molecular structure and micro morphology of the X-ETFE material were characterized by FTIR and SEM, The effects of different VUV irradiation time on X-ETFE cable have been studied.. The experimental results show that with the increase of VUV irradiation time, carbon accumulates on the material surface and darkens, and the appearance color of the cable gradually changes to dark brown; The ultimate withstand voltage and insulation resistance of X-ETFE cable show an overall downward trend, but the overall electrical performance level has no substantial change; The absorption peak of X-ETFE material at 1628 cm⁻¹ gradually increases, indicating that the −C=C− free group in the molecular chain of X-ETFE material increases with irradiation time, resulting in microcracks on the surface of the material.
- X-ETFE cable,
- VUV radiation,
- ultimate withstand voltage,
- insulation resistance,
- micro structure

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References(20)

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