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액체열 노화조건에 따르는 단섬유 강화 나일론의 기계적 성질 변화
이인섭(I. S. Lee),이동주(D. J. Lee) 대한기계학회 2005 대한기계학회 춘추학술대회 Vol.2005 No.8
The hygrothermal ageing of short-glass fiber reinforced nylon composites in pure water and sodium chioride solution were investigated as functions of temperature(25℃, 75℃ and 100℃), injection conditions and sodium chloride concentration. Also, the mechanical properties and recovery ratio depending on absorption-desorption-reabsorption-redesorption cycle were investigated. In general, it is found that there is linear relationship between moisture absorption and mechanical properties, the mechanical properties is recovered with moisture desorption in nylon composites. Also, it is found that variation of mechanical properties is small when the water absorption is small.