Technical Research on Ocean Environmental Adaptability of Typical Nonmetal Materials
Received:December 28, 2016  Revised:March 15, 2017
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DOI:10.7643/ issn.1672-9242.2017.03.012
KeyWord:nonmetal  ocean environment  environmental adaptability
           
AuthorInstitution
WANG Zhe AVIC The First Aircraft Institute, Xi′an , China
YONG Xing-yue Beijing University of Chemical Technology, Beijing , China
FAN Lin AVIC The First Aircraft Institute, Xi′an , China
DUAN Ting-ting AVIC The First Aircraft Institute, Xi′an , China
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Abstract:
      Objective To study influences of ocean environment on corrosion of typical nonmetal materials. Methods A environment spectrum for accelerated corrosion test was drawled up to carry out corrosion test, atmospheric exposure test and data analysis. Results Mechanical properties such as breaking strength, yield strength and elongation at break of nitrile rubber buna, silicon rubber, organic glass and sealant decreased to a certain extent after tests of thermal shock, salt fog, ultraviolet exposure, ultraviolet-immersion and exposure in Wanning Station, but their mechanical properties were still kept at 85%. This means that nitrile rubber buna, silicon rubber, organic glass and sealant were corrosion resistant. Conclusion The corrosion resistance of nitrile rubber buna and sealant is better than that of silicon rubber and organic glass.
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