When an environmental assisted fatigue (EAF) test is performed, the surface of a specimen has to contact with simulated LWR water. Autoclave equipment with a solid specimen is a commonly used method for EAF testing. It, however, takes time to setup a specimen into the autoclave and also it is necessary to strive to directly measure the displacement of the specimen. Another EAF testing method, which has been utilized by several research institutes, is to use a hollow cylindrical specimen. The hollow cylindrical specimen does not need the autoclave equipment and can be easily assembled to the fatigue test facility. This paper introduces the EAF test using the hollow cylindrical specimen, comparison between fatigue lives by hollow cylindrical specimens and solid specimens and gives some technical notes to use the hollow cylindrical specimen.
Applicability of Hollow Cylindrical Specimens to Environmental Assisted Fatigue Tests
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Asada, S, Tsutsumi, K, Fukuta, Y, & Kanasaki, H. "Applicability of Hollow Cylindrical Specimens to Environmental Assisted Fatigue Tests." Proceedings of the ASME 2017 Pressure Vessels and Piping Conference. Volume 1A: Codes and Standards. Waikoloa, Hawaii, USA. July 16–20, 2017. V01AT01A022. ASME. https://doi.org/10.1115/PVP2017-65514
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