Fatigue failure of short glass fibre reinforced PA 6.6 structural pieces for railway track fasteners

Fast prediction of the Wöhler curve from heat build-up measurements on Short Fiber Reinforced Plastic

“…The recyclable nature of these materials by comparison to thermoset matrixes composites is also clearly appealing. Restricted a few years ago to automotive applications with limited mechanical requirements, these materials, filled with glass fibers up to 50% in mass, are now used for structural components [1][2][3][4][5]. Designing those parts against fatigue has therefore become a serious issue during the last years, generating an extended literature [6][7][8][9][10][11][12][13][14][15].…”

“…For composite materials, following the temperature fields is usually a way to perform a non-destructive evaluation [29,30] or to identify the damage initiation and evolution along a fatigue test, alternatively to the stiffness drop [2,[31][32][33]. Even if some attempts have been performed recently [3,34,35] to link the temperature evolution to a given lifetime, to our knowledge no study proposed a demarche to evaluate quickly the full fatigue curve from heat build-up measurements.…”

Fatigue properties of vibration-welded nylon 6 and nylon 66 reinforced with glass fibres

“…Glass reinforced nylon is being used increasingly in structural applications such as railways [7], and automotive under hood and exterior components. Hence, further study of the fatigue properties of welded thermoplastics is necessary particularly since they are used increasingly in applications, where they bear considerable weight and cyclic loads.…”

Multiaxial fatigue models for short glass fibre reinforced polyamide. Part II: Fatigue life estimation

“…Frequency [13,[20][21][22][23][24]. Since thermoplastics poorly conduct heat, increasing the test frequency often results in hysteretic heating.…”