Hydrogen-induced ductility loss of austenitic stainless steels for slow strain rate tensile testing in high-pressure hydrogen gas

Saburo Matsuoka, Junichiro Yamabe, Hisao Matsunaga

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

For slow strain rate tensile (SSRT) test in hydrogen gas, the degradation in relative reduction in area (RRA) of 300-series austenitic stainless steels is mainly attributed to hydrogen-assisted surface crack growth (HASCG) accompanied by quasi-cleavages. To establish novel criteria for authorizing various austenitic stainless steels for use in high-pressure gaseous hydrogen, a mechanism of the HASCG should be elucidated. At first, this study performed SSRT tests on six types of austenitic stainless steels, Types 304, 316, 316L, 306 (hi-Ni), 304N2 and 304 (N), in high-pressure hydrogen gas and showed that the RRAs were successfully quantified in terms of a newly-proposed nickel-equivalent equation. Then, to elucidate the microscopic mechanism of the HASCG, elasto-plastic fracture toughness (JIC), fatigue crack growth (FCG) and fatigue life tests on Types 304, 316 and 316L were carried out in high-pressure hydrogen gas. The results demonstrated that the SSRT surface crack grew via the same mechanism as for the JIC and fatigue cracks, i.e., these cracks successively grow with a sharp shape under the loading process, due to local slip deformations near the crack tip by hydrogen. Detailed observations of SSRT surface cracks on Types 304 and 316L were also performed, exhibiting that the onset of the HASCG occurred at the true strain of 0.1 or larger in high-pressure hydrogen gas.

Original languageEnglish
Title of host publicationMaterials Structure and Micromechanics of Fracture VIII
EditorsPavel Sandera
PublisherTrans Tech Publications Ltd
Pages259-264
Number of pages6
ISBN (Print)9783038356264
DOIs
Publication statusPublished - Jan 1 2017
Event8th International Conference on Materials Structure and Micromechanics of Fracture, MSMF8 - Brno, Czech Republic
Duration: Jul 27 2016Jul 29 2016

Publication series

NameSolid State Phenomena
Volume258 SSP
ISSN (Electronic)1662-9779

Other

Other8th International Conference on Materials Structure and Micromechanics of Fracture, MSMF8
CountryCzech Republic
CityBrno
Period7/27/167/29/16

Fingerprint

austenitic stainless steels
Tensile testing
Austenitic stainless steel
ductility
strain rate
Ductility
Strain rate
Hydrogen
Gases
surface cracks
hydrogen
gases
Crack propagation
cracks
tensile tests
Cracks
fatigue life
crack tips
Fatigue crack propagation
Nickel

All Science Journal Classification (ASJC) codes

  • Atomic and Molecular Physics, and Optics
  • Materials Science(all)
  • Condensed Matter Physics

Cite this

Matsuoka, S., Yamabe, J., & Matsunaga, H. (2017). Hydrogen-induced ductility loss of austenitic stainless steels for slow strain rate tensile testing in high-pressure hydrogen gas. In P. Sandera (Ed.), Materials Structure and Micromechanics of Fracture VIII (pp. 259-264). (Solid State Phenomena; Vol. 258 SSP). Trans Tech Publications Ltd. https://doi.org/10.4028/www.scientific.net/SSP.258.259

Hydrogen-induced ductility loss of austenitic stainless steels for slow strain rate tensile testing in high-pressure hydrogen gas. / Matsuoka, Saburo; Yamabe, Junichiro; Matsunaga, Hisao.

Materials Structure and Micromechanics of Fracture VIII. ed. / Pavel Sandera. Trans Tech Publications Ltd, 2017. p. 259-264 (Solid State Phenomena; Vol. 258 SSP).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Matsuoka, S, Yamabe, J & Matsunaga, H 2017, Hydrogen-induced ductility loss of austenitic stainless steels for slow strain rate tensile testing in high-pressure hydrogen gas. in P Sandera (ed.), Materials Structure and Micromechanics of Fracture VIII. Solid State Phenomena, vol. 258 SSP, Trans Tech Publications Ltd, pp. 259-264, 8th International Conference on Materials Structure and Micromechanics of Fracture, MSMF8, Brno, Czech Republic, 7/27/16. https://doi.org/10.4028/www.scientific.net/SSP.258.259
Matsuoka S, Yamabe J, Matsunaga H. Hydrogen-induced ductility loss of austenitic stainless steels for slow strain rate tensile testing in high-pressure hydrogen gas. In Sandera P, editor, Materials Structure and Micromechanics of Fracture VIII. Trans Tech Publications Ltd. 2017. p. 259-264. (Solid State Phenomena). https://doi.org/10.4028/www.scientific.net/SSP.258.259
Matsuoka, Saburo ; Yamabe, Junichiro ; Matsunaga, Hisao. / Hydrogen-induced ductility loss of austenitic stainless steels for slow strain rate tensile testing in high-pressure hydrogen gas. Materials Structure and Micromechanics of Fracture VIII. editor / Pavel Sandera. Trans Tech Publications Ltd, 2017. pp. 259-264 (Solid State Phenomena).
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