NDLI: Hydrogen embrittlement of duplex steel tested using slow strain rate test

Content Provider	Semantic Scholar
Author	Váňová, Petra Sojka, Jaroslav
Copyright Year	2014
Abstract	P. Vaňová, J. Sojka. VŠB Technical u niversity of O strava, FMME, Ostrava, Czech Republic This paper is dealing with hydrogen embrittlement of austenitic-ferritic 2205 duplex steel using the slow strain rate test (SSRT). The original material was subjec ted to heat treatment under 700 °C during 5 hours and f ollowing aircooling with the aim of pr ovoking sigma phase pr ecipitation and embrittlement of the mat erial. The samples of both states were electrolytic saturation with hydrogen in 0,1N solution of sulfuric acid (H 2SO4) with addition KSCN during 24 hours. The hydrogen embrittlement appeared on fracture surfaces of tested tensile bars as a quasi-cleavage damage on their perimet er. From the established depth of h ydrogen charging the diff usion coeffi cient of hydrogen in duplex st eel with ferritic-austenitic structure and with the struc ture containing the sigma phase as w ell were estimated.
Starting Page	163
Ending Page	166
Page Count	4
File Format	PDF HTM / HTML
Volume Number	53
Alternate Webpage(s)	http://hrcak.srce.hr/file/162227
Language	English
Access Restriction	Open
Content Type	Text
Resource Type	Article

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