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VACUUM ›› 2023, Vol. 60 ›› Issue (2): 39-44.doi: 10.13385/j.cnki.vacuum.2023.02.07

• Vacuum Acquisition System • Previous Articles     Next Articles

Development of An Apparatus for Material Outgassing Test Under Thermal Vacuum Condition

ZHOU Jia-yi1,2, WANG Pei1,2, ZHANG Zong-feng2, WANG Dong1, REN Qi-chen1, HU Ju-li1,2, HAN Rui1,2, WANG Yun-hu1, LU Mao-lei1,2, SUN Zhi-he1,2, DING Huai-kuang1,2   

  1. 1. Anhui Key Laboratory of Low Temperature Technology, Anhui Vacree Technologies Co., Ltd., Hefei 230088, China;
    2. The 16th Research Institute of China Electronics Technology Group Corporation, Hefei 230088, China
  • Received:2021-08-26 Online:2023-03-25 Published:2023-03-27

Abstract: A device for simulating space environment and detecting the outgassing of aerospace materials accurately is developed. This paper mainly introduces the equipment composition of the thermal vacuum degassing device, the theoretical calculation in development process, the test method of thermal vacuum degassing and the selection of vacuum pump unit. Thermal vacuum outgassing test for an aerospace material was carried out and the TML(total mass loss) and CVCM(collected volatile matter) were measured. Comparing with the existing data, it is found that the errors of TML and CVCM satisfy the credibility requirements in the relevant standards. This device is suitable for the thermal vacuum outgassing test.

Key words: aerospace material, thermal vacuum outgassing, vacuum system, TML, CVCM

CLC Number: 

  • V45
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