This paper presents test results on temporary-creep properties, recovery of strain postcreep and postcreep tensile properties of a Raschel knitted netting material with a combination of ultrahigh molecular weight polyethylene (UHMWPE) and polyester fibers. Specimens of the material were subjected to uniaxial loading over a period of 30 mins, at a constant creep target load of 10–90% of average tensile strength. The specimens were wet and tested in room temperature. The netting structure experienced creep strain with mean values in the range of 1.3–4.5%, increasing with increased creep target load. In addition, the netting experienced 2% creep strain during on-loading. The creep strains were elastic, while large proportions of the elongation accumulated during on-loading (structural strain of 8.8–27.8%) were long lasting and possibly permanent. Tensile tests showed that for the highest creep target load, strength, and elongation at break increased by 17%.
Temporary-Creep and Postcreep Properties of Aquaculture Netting Materials With UHMWPE Fibers
Contributed by the Ocean, Offshore, and Arctic Engineering Division of ASME for publication in the JOURNAL OF OFFSHORE MECHANICS AND ARCTIC ENGINEERING. Manuscript received July 4, 2013; final manuscript received February 9, 2016; published online April 6, 2016. Assoc. Editor: Myung Hyun Kim.
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Moe-Føre, H., Endresen, P. C., and Jensen, Ø. (April 6, 2016). "Temporary-Creep and Postcreep Properties of Aquaculture Netting Materials With UHMWPE Fibers." ASME. J. Offshore Mech. Arct. Eng. June 2016; 138(3): 031201. https://doi.org/10.1115/1.4032893
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