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| Vertical Shearing Fracture Behavior of Carbon Fiber Reinforced Plastic of Different Status |
Yuqin GUO( ),Yan YANG,Minhang SUN,Pengpeng TANG |
| School of Mechanical Engineering, Jiangsu University, Zhenjiang 212013, China |
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Cite this article:
Yuqin GUO,Yan YANG,Minhang SUN,Pengpeng TANG. Vertical Shearing Fracture Behavior of Carbon Fiber Reinforced Plastic of Different Status. Chinese Journal of Materials Research, 2015, 29(7): 489-495.
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Abstract Carbon fiber reinforced plastic (CFRP) was fabricated by alternately laying epoxy resin films and carbon fiber fabrics for a desired number of layers. The prepared CFRP could be in different status such as dry, soft, wet and solid corresponding to ambient temperature, and temperatures of glass transition and melting and curing of resin films, respectively. Blanking tests were performed by means of a home made shearing blanking die to characterize the vertical shearing fracture for the prepared CFRP of different status. Results show that the vertical shearing fracture of the dry/solid, soft and wet CFRPs present characteristics of typical nonlinear deformation, discontinuous and delaminating fracture, and the required blanking forces increase in turn. Moreover, blanking with a small gap, proper angle and high speed may be helpful to relieve the discontinuous fracture of partial carbon fiber yarns and promote the delaminating fracture of CFRPs to be much concentrated and stability.
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Received: 11 August 2014
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| Fund: *Supported by National Natural Science Foundation of China No.51105180. |
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