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Keywords: HTHA
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Proceedings Papers

Proc. ASME. PVP2020, Volume 3: Design and Analysis, V003T03A051, August 3, 2020
Paper No: PVP2020-21279
... high temperature hydrogen attack (HTHA) using a continuum damage mechanics (CDM) approach. The model can be employed to assess the loss in load bearing capacity due to damage in the form of widespread micro-fissuring and voids (i.e. up to the point of macro-crack coalescence). Experimental data from...
Proceedings Papers

Proc. ASME. PVP2019, Volume 6A: Materials and Fabrication, V06AT06A056, July 14–19, 2019
Paper No: PVP2019-94058
... HTHA weld joint carbon steel residual stress EBSD ferrite-pearlite bainite Abstract Nelson curve for carbon steel without post welding heat treatment (PWHT) was reconsidered in Annex F of API PR941 8th Edition because a lot of hydrogen damage cases of carbon steel for pressure...
Proceedings Papers

Proc. ASME. PVP2019, Volume 1: Codes and Standards, V001T01A043, July 14–19, 2019
Paper No: PVP2019-93533
... HTHA inspection fracture mechanics crack growth life cycle management hydroprocessing reactors integrity operating windows MANAGING THE RISKS ASSOCIATED WITH OPERATING A HYDROTREATER REACTOR WITH POSSIBLE HIGH-TEMPERATURE HYDROGEN ATTACK DAMAGE Phillip E. Prueter, P.E Ryan Jones, P.Eng...