Materials in range of H2 containment components can be susceptible to hydrogen embrittlement stationary and transport vessels (martensitic steels) on-board tanks (stainless steel boss) manifold components (stainless steels) pipelines (ferritic steels) S, P) slocal, elocal sremote H2 H2 hydrides H2 H2 H2 H2 H2 H2 H2 H2 H2 H2 H2 H2 H2 H2 H2 H2 H H H H2 H2 H H H H H H H H H H H2 H2 H H H H H2 H H H H H H HEDE H H H H H H2 H H H H2 H2 H2 H2 H2 H2 H H H H2 H2 H2 H H2 H2 H2 H H H H H H H2 H H2 H2 H H H H H2 H2 H2 H H2 H2 H H2 H H2 H H H H2 H2 H2 H H2 H2 H H H H H H H H H H H2 H H2 H2 H H H H H H H H H2 H H2 H H2 H2 H2 H2 H2 H2 H2 t1 > t2 H2 H2 H2 H2 t2 t1 H2 H2 H2 H2 H2 H H2 H H H H H H2 H H2 H H H H H HELP slocal, elocal sremote H H H

Hydrogen can permeate into containment materials and activate hydrogen embrittlement Mobility of H at ambient temperature distinguishes it from other embrittlement species (e.g. San Marchi Sandia National Laboratories, Livermore CA, USA 6th International Conference on Hydrogen Safety (ICHS 2015) Yokohama, Japan OctoSandia is a multiprogram laboratory operated by Sandia Corporation, a Lockheed Martin Company, for the United States Department of Energy under contract DE-AC04-94AL85000

Enhancing Safety of Hydrogen Containment Components Through Materials Testing Under In-Service Conditions B.P.

Slayer by J.A. Armitage