4. Conclusion
This paper presented fracture mechanics applied to translaminar failure of laminated composite structures. This phenomenon is particularly important in the certification/design of damage-tolerant composite structures.
After a brief review of the characteristic quantities of fracture mechanics, and in particular the associated critical energy restitution rates, the various tests used to characterize these quantities are critically described. This is followed by a detailed presentation of the different types of translaminar damage according to the type of loading (tension, compression, crushing and shear). Finally, some characteristic values of structural laminated composites are discussed.
This overview has shown that fracture mechanics applied to composite laminates is a complex and still recent field, which needs to be approached with caution....
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Conclusion
Bibliography
Bibliography
Standards and norms
- Standard test method for mode I interlaminar fracture toughness of unidirectional continuous fiber reinforced composite materials - ASTM D5528-33 - 2013
- Standard test method for measurement of fracture toughness - ASTM E1820-18 - 2018
- Standard test method for translaminar fracture toughness of laminated and pultruded polymer matrix composite materials - ASTM E1922-15 - 2015
- Standard test method...
Regulations
Federal Aviation Administration 25 (FAR25) – Advisory Circular 25.571, Damage tolerance and fatigue evaluation of structure (1978)
Joint Airworthiness Requirements 25 (JAR25) – Part 1: requirements, Part 2: acceptable means of compliance and interpretations (for composite structures: JAR25 § 25.603 and ACJ 25.603) (1978)
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