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Nodular cast iron for normal and arctic temperatures in wind energy

: Bleicher, C.; Wagener, R.; Kaufmann, H.; Melz, T.

Chung, J.S. ; International Society of Offshore and Polar Engineers -ISOPE-, Goldem/Colo.:
Ocean, arctic, energy. Gas hydrates and ocean mining. CD-ROM : ISOPE-2015 Kona, Hawaii; the 25th ISOPE conference anniversary; conference proceedings; the proceedings of The Twenty Fifth (2015) International Ocean and Polar Engineering Conference; Kona, Hawaii, USA, June 21 - 26, 2015; [including the 11th] Ocean Mining & Gas Hydrates Symposium, OMS-2015 (OMGH-2015)
Cupertino, Calif.: ISOPE, 2015
ISBN: 978-1-880653-89-0
International Society of Offshore and Polar Engineers (ISOPE Conference) <25, 2015, Kona/Hawaii>
International Ocean and Polar Engineering Conference <25, 2015, Kona/Hawaii>
Ocean Mining & Gas Hydrates Symposium (OMGH) <11, 2015, Kona/Hawaii>
Fraunhofer LBF ()

The present article discusses the cyclic material behavior in form of stress-life, strain-life and cyclic stress-strain curves of three different nodular cast iron materials derived by specimens taken from heavywalled cast blocks. Results are shown for static as well as cyclic stress and strain controlled tests performed at room temperature. Additionally, issues concerning the materials’ behavior in low temperature application are also discussed through results gained by cyclic stress controlled tests at ϑ = -40 °C for alternating, R0=-1, and tensile loading, R0=0. For comparison, the corresponding static material values and the results of notch impact tests both at room temperature and ϑ = -40 °C are also given.