The effect of crack orientation on the propagation of cracks in graphene nanoplatelet carbon fiber-reinforced epoxy composites using digital ımage correlation
Yükleniyor...
Tarih
2021-03-27
Yazarlar
Dergi Başlığı
Dergi ISSN
Cilt Başlığı
Yayıncı
SpringerLink
Erişim Hakkı
info:eu-repo/semantics/openAccess
Attribution-NonCommercial-ShareAlike 3.0 United States
Attribution-NonCommercial-ShareAlike 3.0 United States
Özet
This study experimentally investigated the fracture behaviors of graphene nanoplatelet (GNP) carbon fiberreinforced polymer (CFRP) composites for varying amounts of GNP reinforcement, crack lengths and crack orientation
angles. The specimens were subjected to tensile loading, and their fracture toughness values were determined with respect to
maximum damage load and crack length. To compare the results obtained from experimental data, the fracture toughness
values, strain distributions and crack tip opening displacements were determined by using a Digital Image Correlation (DIC)
technique from images recorded during the tests. The results showed that increasing the amount of GNP increased the
fracture toughness of specimens. On the other hand, increasing the crack orientation angle decreased the fracture toughness.
Increasing the crack length increased the fracture toughness values for a crack orientation angle of 30 ° but decreased for a
crack orientation angle of 90 °. DIC results were found to be compatible with the calculated results using crack length and
damage stress value
Açıklama
Anahtar Kelimeler
Graphene, Carbon Fiber Reinforced Polymer, Fracture, Digital İmage Correlation, Stress Concentration
Kaynak
WoS Q Değeri
Q2
Scopus Q Değeri
Q2
Cilt
22
Sayı
5
Künye
Topkaya, T. (2021). The effect of crack orientation on the propagation of cracks in graphene nanoplatelet carbon fiber-reinforced epoxy composites using digital ımage correlation. Fibers and Polymers, 22 (5), pp.1397-1406. DOI:https://dx.doi.org/10.1007/s12221-021-0561-5
