An energy-Based model of longitudinal splitting inunidirectional fiber-Reinforced composites

K. Oguni

研究成果: Article査読

13 被引用数 (Scopus)

抄録

Unidirectional fiber-reinforced composites are often observed to fail in a longitudinalsplitting mode in the fiber direction under far-field compressive loading with weak lateral confinement. An energy-based model is developed based on the principle of minimumpotential energy and the evaluation of effective properties to obtain an analytical approxi-mation to the critical stress for longitudinal splitting. The analytic estimate for the com-pressive strength is used to illustrate its dependence on material properties, surfaceenergy, fiber volume fraction, fiber diameter, and lateral coffining pressure. The predictions of the model show good agreement with available experimental data.

本文言語English
ページ(範囲)437-443
ページ数7
ジャーナルJournal of Applied Mechanics, Transactions ASME
67
3
DOI
出版ステータスPublished - 2000 9

ASJC Scopus subject areas

  • Condensed Matter Physics
  • Mechanics of Materials
  • Mechanical Engineering

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