Zobrazeno 1 - 10
of 96
pro vyhledávání: '"Andreas T. Echtermeyer"'
Publikováno v:
Polymer Testing, Vol 102, Iss , Pp 107343- (2021)
A hydrogenated nitrile butadiene rubber (HNBR) compound is subjected to ageing in a simulated oil and gas environment in accordance with ISO 23936-2 standard at two elevated temperatures (130°C and 150°C) for a period of up to 9 months. Shore D har
Externí odkaz:
https://doaj.org/article/b7df30b08f04454d98f4d60b95e610b5
Publikováno v:
Composites Part C: Open Access, Vol 6, Iss , Pp 100171- (2021)
Biocomposites based on lignocellulosic components (e.g. pulp fibers, nanocellulose and lignin) are of interest as sustainable replacements for thermoplastic fossil-based materials, which find their application in household items, construction, automo
Externí odkaz:
https://doaj.org/article/90dcb9152b344995a3a5c9f4af66df27
Publikováno v:
Polymers, Vol 14, Iss 20, p 4432 (2022)
Thermomechanical pulp (TMP) fibres can serve as renewable, cost-efficient and lightweight reinforcement for thermoplastic polymers such as poly(lactic acid) (PLA). The reinforcing ability of TMP fibres can be reduced due to various factors, e.g., ins
Externí odkaz:
https://doaj.org/article/5f6e275441134ddba905837072a8a9d5
Autor:
Eivind Hugaas, Andreas T. Echtermeyer
Publikováno v:
Composites Part C: Open Access, Vol 5, Iss , Pp 100135- (2021)
Modeling the effect of fatigue is important for predicting remaining life of damaged filament wound composite pressure vessels. This study shows how S-N curves can be measured that describe local fiber dominated fatigue failure on the scale of 0.25 m
Externí odkaz:
https://doaj.org/article/03a86cc9b0b9460599af711d90e61852
Autor:
Knut O. Ronold, Andreas T. Echtermeyer
Publikováno v:
Safety, Vol 8, Iss 1, p 1 (2021)
Fatigue S–N curves provide the number of stress cycles that result in fatigue failure at stress range S and need to be measured for new engineering materials where data are not as readily available as they are for well-characterized and widely used
Externí odkaz:
https://doaj.org/article/867881dc3bce4e58b62bf9f012383c2d
Publikováno v:
Polymers, Vol 11, Iss 11, p 1848 (2019)
Long-term creep properties and the effect of water are important for fiber reinforced polymer (FRP) composite materials used in offshore applications. Epoxies are often used as a matrix material in such composites. A typical design lifetime of offsho
Externí odkaz:
https://doaj.org/article/2d169ba3b3f148e692f3639576e1ece0
Autor:
Andrey E. Krauklis, Abedin I. Gagani, Kristine Vegere, Ilze Kalnina, Maris Klavins, Andreas T. Echtermeyer
Publikováno v:
Fibers, Vol 7, Iss 3, p 22 (2019)
Glass fibres slowly degrade due to dissolution when exposed to water. Such environmental aging results in the deterioration of the mechanical properties. In structural offshore and marine applications, as well as in the wind energy sector, R-glass fi
Externí odkaz:
https://doaj.org/article/fbd329f60d9d43f39a9a05d29f84ec54
Autor:
Søren Heinze, Andreas T. Echtermeyer
Publikováno v:
Applied Sciences, Vol 8, Iss 11, p 2227 (2018)
Producing precision parts requires good control of the production parameters. When casting thermoset polymers an understanding of the curing process, with its heat release and associated temperature changes, is important. This paper describes how the
Externí odkaz:
https://doaj.org/article/e12f6f9843b44b13879ceb0d333d567a
Publikováno v:
Polymers, Vol 10, Iss 9, p 1017 (2018)
Epoxies are often exposed to water due to rain and humid air environments. Epoxy yellows during its service time under these conditions, even when protected from UV radiation. The material’s color is not regained upon redrying, indicating irreversi
Externí odkaz:
https://doaj.org/article/c6af6f978cc84570ac3c1205f73289dd
Autor:
Søren Heinze, Andreas T. Echtermeyer
Publikováno v:
Applied Sciences, Vol 8, Iss 7, p 1137 (2018)
Due to the increasing ease of use and the superiority of the results, distributed strain measurements, utilizing Optical Backscatter Reflectometry (OBR), have become more important and widespread over the last few years. Strains are calculated from t
Externí odkaz:
https://doaj.org/article/e9bb45264035422ebeed8f98f5b7f4b8