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The project/research was financed in the framework of the project Lublin University of
Technology‐Regional Excellence Initiative, funded by the Polish Ministry of Science and Higher
Education (contract no. 030/RID/2018/19).
The paper presents a study on influence of different fabric weave and fabric orientation on strength properties of
fiber reinforced polymer composites. The research concerns materials used in a new type of rotorcraft. Four series
of laminates were fabricated with hand forming, using the MGS L285/H285 epoxy resin. Triple-kind experiments
were performed: the Shore hardness measurements, tensile strength testing and fractographic analysis. The speci-
mens of different series shown various strength and stiffness characteristics, depending on the type of weave and
fabric layup. Three different failure schemes were observed. The Poisson coefficient was different among series,
as well, but no understandable link to specimen morphology could be found so far. Fractographic observations
suggested intralaminar delamination.
