应用化学 ›› 1991, Vol. 0 ›› Issue (3): 9-12.
• 研究论文 • 上一篇 下一篇
何天白, 周江, 曲桂杰, 陈天禄, 李滨耀
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He Tianbai, Zhou Jiang, Qu Guijie, Chen Tianlu, Li Binyao
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摘要： 本文研究了碳布增强的聚芳醚酮复合材料的破坏允限。用二碘甲烷增强的x-射线照相法对试件内部的冲击缺陷进行观察,结果表明,其破坏类型可分为分层、基体开裂、纤维断裂和脱胶。用三点弯曲方法测定了损伤试件的剩余弯曲强度与冲击能量的关系。
关键词: 热塑性复合材料, 断裂, 破坏允限
Abstract: Damage tolerance of woven carbon fiber reinforced poly(phenylene ether ketone)(woven CF/PEK-C) laminates has been studied on bending after falling-weight impact.Woven CF/PEK-C laminates were obtained by stacking PEK-C films with carbon cloth andthen consolidating at temperature above Tg of PEK-C.The penetrant-enhanced x-radiogra-phy was used to determine the locations and extents of delaminations and matrix crackscaused by impact.It is shown that the damage mode of woven CF/PEK-C can be classifiedinto delamination, matrix crack, fiber breakage and debonding between fibers and thematrix.The residual flexural strength of a damaged laminate for the highest impact energywas about 50% of that before damaging.
Key words: thermoplastic composite, fracture, damage tolerance
何天白, 周江, 曲桂杰, 陈天禄, 李滨耀. 碳布/聚芳醚酮热塑性复合材料的破坏允限[J]. 应用化学, 1991, 0(3): 9-12.
He Tianbai, Zhou Jiang, Qu Guijie, Chen Tianlu, Li Binyao. DAMAGE TOLERANCE OF WOVEN CARBON FIBER REINFORCED POLY(PHENYLENE ETHER KETONE)LAMINATES[J]. Chinese Journal of Applied Chemistry, 1991, 0(3): 9-12.
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