The effect of volume fraction on the fatigue strength of unsaturated polyester / glass fiber composite. Iraqi Journal of Physics, [S. l.], v. 11, n. 22, p. 14–19, 2019. DOI: 10.30723/ijp.v11i22.347. Disponível em: https://ijp.uobaghdad.edu.iq/index.php/physics/article/view/347.. Acesso em: 27 apr. 2024.