Hydrogen embrittlement of high strength steel under in situ corrosive charging conditions and tensile load | Zendy

Scharf R. | Zendy; Muhr A. | Zendy; Stellnberger K.H. | Zendy; Faderl J. | Zendy; Holzer C. | Zendy; Mori G. | Zendy

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Hydrogen embrittlement of high strength steel under in situ corrosive charging conditions and tensile load

Author(s) -

Scharf R.,

Muhr A.,

Stellnberger K.H.,

Faderl J.,

Holzer C.,

Mori G.

Publication year - 2017

Publication title -

materials and corrosion

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.487

H-Index - 55

eISSN - 1521-4176

pISSN - 0947-5117

DOI - 10.1002/maco.201508655

Subject(s) - hydrogen embrittlement , galvanization , ultimate tensile strength , materials science , hydrogen , embrittlement , metallurgy , zinc , electrolyte , high strength steel , tensile testing , composite material , corrosion , electrode , chemistry , layer (electronics) , organic chemistry

It is known that advanced and ultra‐high strength steel grades (AHSS and UHSS) are susceptible to hydrogen embrittlement under certain test conditions [1][M. Loidl, 2011], [2][J. Rehrl, 2014]. In this study, punched hole specimens for constant load testing with in situ hydrogen charging were used to quantify the effect of different corrosive conditions. Flowing or stagnant electrolyte (5% NaCl) conditions were established and time to failure was recorded as a function of applied tensile stress. The pH of the solution was set at 2, 7, and 12. Bare and zinc‐galvanized (EG) specimens were used. Hydrogen uptake as a function of immersion time was characterized.

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