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A Micromechanics-Based Damage Model for [± θ / 90n ]s Composite Laminates

A new damage model based on a micromechanical analysis of cracked [± θ / 90n ]s laminates subjected to multiaxial loads is proposed. The model predicts the onset and accumulation of transverse matrix cracks in uniformly stressed laminates, the effect of matrix cracks on the stiffness of the laminate, as well as the ultimate failure of the laminate. The model also accounts for the effect of the ply thickness on the ply strength. Predictions relating the elastic properties of several laminates and multiaxial loads are presented

NASA/TM-2006-214285

National Aeronautics and Space Administration

Autor: Mayugo Majó, Joan Andreu
Camanho, Pedro Manuel Ponces Rodrigues de Castro
Maimí Vert, Pere
Dávila, Carlos G.
Resum: A new damage model based on a micromechanical analysis of cracked [± θ / 90n ]s laminates subjected to multiaxial loads is proposed. The model predicts the onset and accumulation of transverse matrix cracks in uniformly stressed laminates, the effect of matrix cracks on the stiffness of the laminate, as well as the ultimate failure of the laminate. The model also accounts for the effect of the ply thickness on the ply strength. Predictions relating the elastic properties of several laminates and multiaxial loads are presented
NASA/TM-2006-214285
Accés al document: http://hdl.handle.net/2072/212061
Llenguatge: eng
Editor: National Aeronautics and Space Administration
Drets: Tots els drets reservats
Matèria: Micromecànica
Micromechanics
Materials compostos -- Fatiga
Composite materials -- Fatigue
Resistència de materials
Strength of materials
Títol: A Micromechanics-Based Damage Model for [± θ / 90n ]s Composite Laminates
Tipus: info:eu-repo/semantics/article
Repositori: Recercat

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