Journal
INTERNATIONAL JOURNAL OF FATIGUE
Volume 130, Issue -, Pages -Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.ijfatigue.2019.105267
Keywords
Fiber metal laminates; Delamination growth; Paris law; End notch flexure
Funding
- National Science Centre, Poland [UMO-2016/23/N/ST8/02033]
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Fatigue delamination growth (FDG) rate was investigated in composite laminates with aluminium and carbon/glass fibers. An End Notch Flexure test was used to determine compliance-calibration as well as fatigue and quasi-static interlaminar fracture. Experimental tests results suggest, that fatigue delamination threshold in a metal-composite interface is governed by the epoxy matrix, while the FDG rate is governed by the fibers/matrix cohesion. Deceleration of delamination growth was observed when delamination reached a central point of the specimen. Generally, laminates reinforced by glass fibers are more resistant for delamination growth than reinforced by carbon fibers.
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