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Study on the Mechanical Properties and Failure Behavior of 0 Degree

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Study on the Mechanical Properties and Failure Behavior of 0 Degree Unidirectional Fiber Reinforced Thermosetting and Thermoplastic Composite Laminates

 

In this study, typical thermoplastic resin polyamide 6 and thermosetting epoxy resin as matrix and unidirectional carbon fiber (CF) as reinforcement were used to manufacture unidirectional (UD) CF reinforced thermoplastic composite (CFRTP) CF/PA6 laminates and thermosetting composite (CFRP) CF/Epoxy laminates by using hot compression process. A large number of UD CF/PA6 and CF/Epoxy laminates were tested. The mechanical properties and fracture modes of both 0 and 90 degree CF/PA6 and CF/Epoxy laminates were investigated through tensile tests, microscope observation and scanning electron microscope observation (SEM) and discussed based on the fiber volume fraction (Vf), fiber distribution, and interfacial properties. In detail, mechanical properties of 0 and 90 degree CF/PA6 and CF/Epoxy laminates including tensile modulus and tensile strength were investigated by tensile tests. The relationship between Vf, probability of failure, tensile modulus and tensile strength was discussed. Meanwhile, the cross sections of specimens in different strain stage and fractured specimens were observed by microscope. The fractured surfaces of fractured specimens were observed by SEM. At last, the fracture behaviors including step-like fracture mode and splitting fracture mode were discussed based on the above results.

 

Authors: Yan Ma, Tomohiro Yokozeki, Masahito Ueda, Yuqiu Yang, Toshihide Sugahara, Hiroyuki Hamada

 

Conference: CAMX 2016 – Anaheim

 

SKU/Code: TP16-0070

 

Pages: 12


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