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Damage mechanics characterization of transverse cracking behavior in quasi-isotropic CFRP laminates with interlaminar-toughened layers by Shinji Ogihara; Nobuo Takeda; Satoshi Kobayashi; Akira Kobayashi is a Engineering article available to read on EtoBox.
What is Damage mechanics characterization of transverse cracking behavior in quasi-isotropic CFRP laminates with interlaminar-toughened layers about?
Microscopic damage behavior in quasi-isotropic CFRP laminates with interlaminar-toughened layers under tensile fatigue loading is investigated. Damage observation is conducted using an optical microscope and soft X-ray radiography. The material used is CFRP with interlaminar-toughened layers, T800H/3900-2. The laminate configurations are quasi-isotropic [45/0/Ϫ45/90] s , [0/45/Ϫ45/90] s and [45/Ϫ45/0/90] s to discuss the effect of stacking sequence on microscopic fatigue damages. A damage mechanics analysis is used to obtain the energy release rate for transverse cracking which is correlated to the transverse crack density growth rate. The modified Paris-law analysis proves to be valid for characterization of transverse crack multiplication when the effect of other damage is small.
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- Author
- Shinji Ogihara; Nobuo Takeda; Satoshi Kobayashi; Akira Kobayashi
- Publisher
- Elsevier Science; Elsevier ; Elsevier BV (ISSN 0142-1123)
- Published
- 2002
- Language
- EN
- Field
- Engineering (Physical Sciences)