Fibre Break Failure Processes in Unidirectional Composites. Part 2: Failure and Critical Damage State Induced by Sustained Tensile Loading

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• 作者：A. Thionnet (1) (2)
  H. Y. Chou (1)
  A. Bunsell (1)
  
  1. Mines ParisTech ; Centre des Mat茅riaux ; CNRS UMR 7633 ; BP 87 ; 91003 ; Evry cedex ; France
  2. Universit茅 de Bourgogne ; Mirande ; BP 47870 ; 21078 ; Dijon ; France
  
• 关键词：Fibres ; Laminates ; Micro ; mechanics ; Numerical analysis
• 刊名：Applied Composite Materials
• 出版年：2015
• 出版时间：April 2015
• 年：2015
• 卷：22
• 期：2
• 页码：141-155
• 全文大小：557 KB
• 参考文献：1. Blassiau, S.: Mod茅lisation des ph茅nom猫nes microstructuraux au sein d鈥檜n composite unidirectionnel carbone/茅poxy et pr茅diction de dur茅e de vie: contr么le et qualification de r茅servoirs bobin茅s. Th猫se, Ecole des Mines de Paris (2005)
  2. Blassiau, S, Thionnet, A, Bunsell, A (2006) Micromechanisms of load transfert in a unidirectional carbon-fibre epoxy composite due to fibre failures. Part 1: micromechanisms and 3d analysis of load transfert, the elastic case. Compos. Struct. 74: pp. 303-318 3" target="_blank" title="It opens in new window">CrossRef
  3. Blassiau, S, Thionnet, A, Bunsell, A (2006) Micromechanisms of load transfert in a unidirectional carbon-fibre epoxy composite due to fibre failures. Part 2: influence of viscoelastic and plastic matrices on the mechanism of load transfert. Compos. Struct. 74: pp. 319-331 CrossRef
  4. Blassiau, S, Thionnet, A, Bunsell, A (2007) Damage accumulation processes and life prediction in unidirectional composites. Proc. R. Soc. A 463: pp. 1135-1152 CrossRef
  5. Blassiau, S, Thionnet, A, Bunsell, A (2008) Micromechanisms of load transfert in a unidirectional carbon-fibre epoxy composite due to fibre failures. Part 3: multiscale reconstruction of composite behaviour. Compos. Struct. 83: pp. 312-323 CrossRef
  6. Blassiau, S, Thionnet, A, Bunsell, A (2009) Three-dimensional analysis of load transfer micro-mechanisms in fibre/matrix composites. Compos. Sci. Technol. 69: pp. 33-39 CrossRef
  7. Bunsell, AR, Thionnet, A (2010) Life prediction for carbon fibre filament wound composite structures. Philos. Mag. 90: pp. 4129-4146 30903575140" target="_blank" title="It opens in new window">CrossRef
  8. Camara, S, Bunsell, AR, Thionnet, A, Allen, DH (2011) Determination of lifetime probabilities of carbon fibre composite plates and pressure vessels for hydrogen storage. Int. J. Hydrog. Energy 36: pp. 6031-6038 dene.2010.12.069" target="_blank" title="It opens in new window">CrossRef
  9. Chou, H.Y., Zejli, H., Thionnet, A., Bunsell, A., Mouritz, A., Bannister, M.: D茅tection et discrimination par 茅mission acoustique des endommagements dans les composites stratifi茅s d鈥檜nidirectionnels: rupture de fibre, macro et microfissuration intralaminaire, microd茅laminage. comparaison exp茅rience/mod茅lisation. Mat茅riaux 2010, 18鈥?2 octobre, Nantes, France (2010)
  10. Clark, PJ, Evans, FC (1954) Distance to nearest neighbor as a measure of spatial relationship in populations. Ecology 35: pp. 445-453 307/1931034" target="_blank" title="It opens in new window">CrossRef
  11. Dagnelie, P, Florins, P (1991) Etude du caract猫re al茅atoire de la r茅partition de points dans des espaces 脿 deux et trois dimensions. Rev. Stat. App. 39: pp. 11-20
  12. Scott, AE, Sinclair, I, Spearing, SM, Thionnet, A, Bunsell, AR (2012) Damage accumulation in a carbon/epoxy composite: comparison between a multiscale model and computed tomography experimental results. Compos. Part A 43: pp. 1514-1522 3.011" target="_blank" title="It opens in new window">CrossRef
  
• 刊物类别：Chemistry and Materials Science
• 刊物主题：Chemistry
  Characterization and Evaluation Materials
  Mechanics
  Polymer Sciences
  Industrial Chemistry and Chemical Engineering
  
• 出版者：Springer Netherlands
• ISSN：1573-4897

文摘

The purpose of these three papers is not to just revisit the modelling of unidirectional composites. It is to provide a robust framework based on physical processes that can be used to optimise the design and long term reliability of internally pressurised filament wound structures. The model presented in Part 1 for the case of monotonically loaded unidirectional composites is further developed to consider the effects of the viscoelastic nature of the matrix in determining the kinetics of fibre breaks under slow or sustained loading. It is shown that the relaxation of the matrix around fibre breaks leads to locally increasing loads on neighbouring fibres and in some cases their delayed failure. Although ultimate failure is similar to the elastic case in that clusters of fibre breaks ultimately control composite failure the kinetics of their development varies significantly from the elastic case. Failure loads have been shown to reduce when loading rates are lowered.