Kinetic aspects of slow crack growth in the gaseous hydrogen embrittlement of steels

K. Sieradzki, P. Ficalora

Research output: Contribution to journalArticle

8 Scopus citations

Abstract

An explanation of the slow crack-growth phenomenon in gaseous hydrogen embrittlement is suggested on the basis that chemisorption is the rate-limiting step. The basis of the analysis is the existence of a mobile adsorbed species which is a prerequisite to the occurrence of slow crack growth. The disappearance of the mobile species with increasing temperature results in the observed crack-velocity dependence on temperature. The analysis is able to account qualitatively for the observed dependence of crack velocity with pressure in the different temperature regions of crack growth.

Original languageEnglish (US)
Pages (from-to)2703-2708
Number of pages6
JournalJournal of Materials Science
Volume14
Issue number11
DOIs
StatePublished - Nov 1 1979
Externally publishedYes

ASJC Scopus subject areas

  • Materials Science(all)
  • Mechanics of Materials
  • Mechanical Engineering

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