Textile Science and Engineering (한국섬유공학회지)

The Korean Fiber Society (한국섬유공학회)
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Effects of the Molding Condition in the Mechanical Properties on the Thermoplastic Composites

열가소성 복합재료의 성형조건이 역학적 성질에 미치는 영향에 관한 연구

  • Lee, Deok-Rae (Dept. of Textile Eng. College of Eng., Chonbug Nayional Univ, Chonju Korea) ;
  • Choe, Gyeong-Eun (Dept. of Textile Eng. College of Eng., Chonbug Nayional Univ, Chonju Korea)
  • 이덕래 (전북대학교 공과대학 섬유공학과) ;
  • 최경은 (전북대학교 공과대학 섬유공학과)
  • Published : 1997.04.01

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Abstract

The unidirectional composites using polypropylene, nylon 6 and polyethylene terephthalate as the matrix fiber and glass fiber as the reinforcement were fabricated under different molding pressure and holding time by using commingled yarn which consists of 40% by volume of glass fibers. We performed three-point bending test, tensile test and examined the influence of holding time, void content, molding pressure, thickness and interlaminar shear strength on the bending and tensile properties. As the molding pressure and holding time increased, the void content and thickness were decreased. Minimum void content of Ny6/GF composites were almost saturated in the molding pressure of 1.0 MPa, holding time of 20 min or in the molding pressure of 2.0 MPa, holding time of 5 min.

Keywords

References

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