TY - JOUR TI - Effect of graphene on the creep and stress relaxation behaviors of epoxy-nanocomposite in viscoplastic deformation regime AU - BAKBAK, O. AU - ÇOLAK, Ã. JO - Sigma Journal of Engineering and Natural Sciences PY - 2024 VL - 42 SP - 49 EP - 56 DO - 10.14744/sigma.2024.00007 ER -