Fatigue of vulcanized natural rubber under proportional and non‐proportional loading

Two natural rubber (NR) compounds of hardness shore A 60 and 70 with 10 different biaxial displacement/twist paths were investigated using an axisymmetric cylindrical hollow dumbbell specimen. The effects of the proportional and non‐proportional loading modes on the fatigue life are discussed. In to...

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Veröffentlicht in:	Fatigue & fracture of engineering materials & structures 2020-10, Vol.43 (10), p.2232-2246
Hauptverfasser:	Wang, Yanping, Liu, Jianjun, Duan, Wuwei, Pan, Zheng, Qiao, Yu
Format:	Artikel
Sprache:	eng
Schlagworte:	fatigue Fatigue life Fatigue tests multiaxial loading Natural rubber non‐proportional loading
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Beschreibung
Zusammenfassung:	Two natural rubber (NR) compounds of hardness shore A 60 and 70 with 10 different biaxial displacement/twist paths were investigated using an axisymmetric cylindrical hollow dumbbell specimen. The effects of the proportional and non‐proportional loading modes on the fatigue life are discussed. In total, 52 fatigue test results are reported with fatigue life results of 3,918 to 488,000 cycles. The effect of the channel phase on the fatigue life is discussed.
ISSN:	8756-758X 1460-2695
DOI:	10.1111/ffe.13250