Sequence of damage events occurring in the course of low energy impact

• Autorzy: Czarnocki P. , Zagrajek T.

Identyfikatory

DOI

10.1016/j.acme.2016.05.002

• Języki publikacji: EN

Abstrakty

EN

Finite element simulation was carried out to better understand damage formation in CF/epoxy plate in the course of a low velocity 8J impact. The plate under investigation was of [+30/−30]s lay-up. To validate the numerical results a drop test was carried out with the help of a drop tower. The interlaminar damage extent was determined with the help of C-scan. Comparison between the numerical and experimental results showed a good quantitative agreement concerning contact force time history, however, the amount of dissipated energy determined based on the numerical simulation was lower than that from the experiment,consistently, the damage extent determined based on numerical simulation was smaller than that determined by C-scan. Nevertheless, characteristic points on the plot representing contact force time history could be related to the particular damage mechanism onsets and their actions.

Słowa kluczowe

EN

impact; laminates; damage; delamination; simulation

PL

laminaty; rozwarstwienie; symulacja

• Wydawca: Springer ; Wrocław University of Science and Technology
• Czasopismo: Archives of Civil and Mechanical Engineering
• Rocznik: 2016
• Tom: Vol. 16, no. 4
• Strony: 825--834
• Opis fizyczny: Bibliogr. 45 poz., rys., tab., wykr.

Twórcy

autor

Czarnocki P.

• Institute of Aeronautics and Applied Mechanics, Warsaw University of Technology, Nowowiejska 24, 00 665 Warsaw, Poland

autor

Zagrajek T.

• Institute of Aeronautics and Applied Mechanics, Warsaw University of Technology, Nowowiejska 24, 00 665 Warsaw, Poland

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Uwagi

PL

Opracowanie ze środków MNiSW w ramach umowy 812/P-DUN/2016 na działalność upowszechniającą naukę