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http://dx.doi.org/10.5139/JKSAS.2010.38.2.119

Hygrothermal Effect on the Strength of Carbon/Epoxy Composite Single-Lap Bonded Joints  

Song, Min-Gyu (경상대학교 대학원 항공우주공학과)
Kweon, Jin-Hwe (경상대학교 항공기부품기술연구소)
Choi, Jin-Ho (경상대학교 항공기부품기술연구소)
Kim, Hyo-Jin (한국폴리텍 항공대학 항공정비과)
Song, Min-Hwan (한국항공우주산업(주))
Shin, Sang-Joon (한국항공우주산업(주))
Byun, Jai-Hyun (경상대학교 산업시스템공학부)
Publication Information
Journal of the Korean Society for Aeronautical & Space Sciences / v.38, no.2, 2010 , pp. 119-128 More about this Journal
Abstract
The hygrothermal effect on the strength of composite single-lap bonded joints were investigated. The specimens were manufactured in four different manufacturing methods and tested in three different environmental conditions. An interesting result is that the strengths of the joints in the elevated temperature and wet (ETW) conditions were found to be 11 ~ 23% higher than those in the room temperature and dry (RTD) environment. In contrast, the strengths of the joints in the cold temperature and dry (CTD) condition decrease by 8 ~ 21% compared to those in the RTD environment except for cobonded joint. The difference in the strength by testing environments is mainly attributed to the change of the material properties of adhesive by temperature and moisture.
Keywords
Strength; Bonded joint; ETW; CTD;
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Times Cited By KSCI : 2  (Citation Analysis)
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