Improving the interfacial properties of para aramid fibers by surface treatment via plasma jet method in atmospheric pressureMojtaba Sarafpour, Izadyar Ebrahimi and Nadia Rahimi TanhaEur. Phys. J. Appl. Phys., 93 1 (2021) 11301DOI: https://doi.org/10.1051/epjap/2020200277