The multiaxial fatigue behaviour of a short glass fibre reinforced polyamide 6.6 (PA66-GF35) is investigated on hollow tubular specimens in the range of fatigue lives between 10(2) and 10(7) cycles. Fatigue experiments included pure tension, pure torsion, combined tension-torsion at different biaxiality ratios and phase shifting angles between the stress components. Tests were carried out with load ratio R = 0 and R = -1 at room temperature as well as at 130 degrees C. The influence of biaxiality ratio, phase angle between load components and load ratio is discussed.
Multiaxial fatigue of a short glass fibre reinforced polyamide 6.6 - fatigue and fracture behaviour
QUARESIMIN, MARINO
2010
Abstract
The multiaxial fatigue behaviour of a short glass fibre reinforced polyamide 6.6 (PA66-GF35) is investigated on hollow tubular specimens in the range of fatigue lives between 10(2) and 10(7) cycles. Fatigue experiments included pure tension, pure torsion, combined tension-torsion at different biaxiality ratios and phase shifting angles between the stress components. Tests were carried out with load ratio R = 0 and R = -1 at room temperature as well as at 130 degrees C. The influence of biaxiality ratio, phase angle between load components and load ratio is discussed.
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