چكيده لاتين :
Failures in composite materials occur mainly due to inierlamuuir fracture,
also called delamination; between laminates. This indicates that characicrizinq
iuterlamituir [raciure toughness is the most effective factor in the [ro.cture of
composite materials. This shtdy reports inuestiqaiion. on mixed-mode interlaminar
[raciurc behaviour ui woven carbon .fibrelpolyetherimide (CFIPEI)
thermoplastic composite material based on experimentol and numerical analyses.
Experinienis 11JC1יe conducted using the special test loading device. By
1H1ryiny the loading anyle.o [rotn (}() to 9(1י. VUTe mode-1, pure mode-Il and
a widcmnge of mixed-triode data יWCTf obtained experimentally. Usitu; the
finite-element results, geometrical [actors 1IIe1יe applied to the specimen. Based
on e:r:pe1יimentally measured critical loads, mixed-mode iiiterlaminar [raciure
toughness fOT the composite under consideration deterttiitied. The [racture
surfaces wen: examined by scanninq electron rnicroscopu to gain insight into
the failure responses.
