J-controlled crack growth as an indicator of hydrogen-stainless steel compatibility

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The J-integral was evaluated as a parameter to characterize fracture of stainless steels and as a measure of hydrogen damage. C-shaped specimens of type 304L, 316, and 21-6-9 stainless steels were tested in high pressure helium and hydrogen. The critical force for crack initiation (Jm), and tearing resistance (dJ/da) were decreased by hydrogen in all three alloys. The J-integral appears useful as a measure of hydrogen compatibility because it is sensitive to both test environment and microstructure.

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Pages: 16

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Dietrich, M.R.; Caskey, G.R. Jr. & Donovan, J.A. January 1, 1980.

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Description

The J-integral was evaluated as a parameter to characterize fracture of stainless steels and as a measure of hydrogen damage. C-shaped specimens of type 304L, 316, and 21-6-9 stainless steels were tested in high pressure helium and hydrogen. The critical force for crack initiation (Jm), and tearing resistance (dJ/da) were decreased by hydrogen in all three alloys. The J-integral appears useful as a measure of hydrogen compatibility because it is sensitive to both test environment and microstructure.

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Pages: 16

Notes

NTIS, PC A02/MF A01.

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  • International conference on effects of hydrogen on materials, Jackson Lake Lodge, WY, USA, 26 Aug 1980

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  • Report No.: DP-MS-79-73
  • Report No.: CONF-800850-1
  • Grant Number: AC09-76SR00001
  • Office of Scientific & Technical Information Report Number: 5203534
  • Archival Resource Key: ark:/67531/metadc1060350

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Office of Scientific & Technical Information Technical Reports

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  • January 1, 1980

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  • Jan. 22, 2018, 7:23 a.m.

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  • Jan. 31, 2018, 5:23 p.m.

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Dietrich, M.R.; Caskey, G.R. Jr. & Donovan, J.A. J-controlled crack growth as an indicator of hydrogen-stainless steel compatibility, article, January 1, 1980; Aiken, South Carolina. (digital.library.unt.edu/ark:/67531/metadc1060350/: accessed October 18, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.