TY - JOUR
T1 - Experimental investigation of quasi-static behavior of composite and fiber metal laminate panels modified by graphene nanoplatelets
AU - Fathi, Azadeh
AU - Liaghat, Gholamhossein
AU - Sabouri, Hadi
AU - Chizari, Mahmoud
AU - Hadavinia, Homayoun
AU - Chitsaz Charandabi, Sahand
N1 - © The Author(s) 2021. This is the accepted manuscript version of an article which has been published in final form at https://doi.org/10.1177/0731684420985275
PY - 2021/7/1
Y1 - 2021/7/1
N2 - The current study investigated the influence of incorporation of graphene nanoplatelets (GNPs) on quasi-static behavior of composite and fiber metal laminate (FML) panels. The unmodified and modified composite specimens and FML panels with 2/1 configuration were fabricated using a hand lay-up method and investigated through a quasi-static punch and indentation testing. The two sets of tests were conducted with a flat-ended indenter and the loading conditions were the same for all samples, except support spans which were varied. Following experimental testing, possible damages at the punch region were closely investigated and localized and global damages were observed. The results revealed that adding 0.2 wt% GNPs improved the strength and fracture toughness of specimens by delaying the failure modes. On the contrary, GNPs made the bonding between the aluminum and composite interface to weaken.
AB - The current study investigated the influence of incorporation of graphene nanoplatelets (GNPs) on quasi-static behavior of composite and fiber metal laminate (FML) panels. The unmodified and modified composite specimens and FML panels with 2/1 configuration were fabricated using a hand lay-up method and investigated through a quasi-static punch and indentation testing. The two sets of tests were conducted with a flat-ended indenter and the loading conditions were the same for all samples, except support spans which were varied. Following experimental testing, possible damages at the punch region were closely investigated and localized and global damages were observed. The results revealed that adding 0.2 wt% GNPs improved the strength and fracture toughness of specimens by delaying the failure modes. On the contrary, GNPs made the bonding between the aluminum and composite interface to weaken.
KW - Composite
KW - fiber metal laminate
KW - graphene nanoplatelets
KW - indentation
KW - punch
KW - quasi-static
UR - http://www.scopus.com/inward/record.url?scp=85103595628&partnerID=8YFLogxK
U2 - 10.1177/0731684420985275
DO - 10.1177/0731684420985275
M3 - Article
AN - SCOPUS:85103595628
SN - 0731-6844
VL - 40
SP - 518
EP - 532
JO - Journal of Reinforced Plastics and Composites
JF - Journal of Reinforced Plastics and Composites
IS - 13-14
ER -