Static and dynamic debonding strength of bundled glass fibers

• Autorzy: Gunavan F. E.

Identyfikatory

DOI

10.24425/123021

• Języki publikacji: EN

Abstrakty

EN

Experimental design and computational model for predicting debonding initiation and propagation are of interest of scientists and engineers. The design and model are expected to explain the phenomenon for a wide range of loading rates. In this work, a method to measure and quantify debonding strength at various loading rates is proposed. The method is experimentally verified using data obtained from a static test and a pulse-type dynamic test. The proposed method involves the cohesive zone model, which can uniquely be characterized with a few parameters. Since those parameters are difficult to be measured directly, indirect inference is deployed where the parameters are inferred by minimizing discrepancy of mechanical response of a numerical model and that of the experiments. The main finding suggests that the design is easy to be used for the debonding characterization and the numerical model can accurately predict the debonding for the both loading cases.The cohesive strength of the stress-wave case is significantly higher than that of the static case; meanwhile, the cohesive energy is twice larger.

Słowa kluczowe

EN

cohesive zone model; debonding; finite element method; FEM

PL

model strefy kohezyjnej; odspajanie; metoda elementów skończonych; MES

• Wydawca: Komitet Budowy Maszyn PAN
• Czasopismo: Archive of Mechanical Engineering
• Rocznik: 2018
• Tom: Vol. LXV, nr 2
• Strony: 209--220
• Opis fizyczny: Bibliogr. 27 poz., rys., tab.

Twórcy

autor

Gunavan F. E.

• Industrial Engineering Department, BINUS Graduate Program–Master of Industrial Engineering, Bina Nusantara University, Jakarta, Indonesia 11480

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