Fundamental study on fiber-reinforced epoxy composites using glass fabric treated by low-temperature ammonia plasma

Glass fabrics were treated with NH₃ plasma for interfacial control in glass fiber-reinforced plastics (GFRPs) with epoxy resin. The tensile strength of the GFRPs was improved by the use of glass fabrics treated with NH₃ plasma. The plasma technique was also applicable to non-heat-treated glass fabrics, on which starch had remained, for improvement of the strength of their FRPs. As a result, with non-heat-treated glass fabrics treated with NH₃ plasma, the GFRPs showed a very high tensile strength.