(ÚNKP-23-5-BME-309) Támogató: Kulturális és Innovációs Minisztérium Nemzeti Kutatási
Fejlesztési és Innovációs Alap
Bolyai János Kutatási Ösztöndíj(BO/00658/21/6) Támogató: Bolyai János Kutatási Ösztöndíj
Szakterületek:
Műszaki és technológiai tudományok
The objective of our study was to investigate and describe the durability of mono
and hybrid composite materials reinforced with various fabrics (namely, glass, carbon,
and basalt) and an epoxy resin matrix against repetitive loads, with a particular
focus on their potential use in wind turbine blades. The mechanical properties of
these materials were evaluated through repeated tensile tests involving high deflection
and low cycle numbers. A new approach was introduced for characterizing and comparing
the performance of glass, carbon, and basalt fiber reinforced epoxy composites. Our
results led to the development of a novel model to evaluate a new mechanical property,
the asymptotic modulus, which can be used to assess the resistance of composite materials
to multi-cycle tensile loads in a faster and simpler manner. Differences between the
measured and by our model predicted values were low, the values of determination coefficient
were higher than 94%.
