Criteria of fracture initiation at hydrides in zirconium alloys II. Shallow notch

San-Qiang Shi, M. P. Puls, S. Sagat

Research output: Journal article publicationJournal articleAcademic researchpeer-review

44 Citations (Scopus)


A general theoretical framework for DHC initiation, described in part I, is applied to the case of a shallow notch under tensile stress. A simple method of calculating the notch tip stress profile and the maximum normal stress σyymaxthat was developed previously is used to estimate the critical hydride length for DHC initiation. Comparison of the theoretical predictions of crack initiation with experimental data shows good agreement. It is suggested that a complete theoretical prediction of DHC initiation at blunt notches would require a combination of the proposed fracture criterion combined with the solution of a diffusion calculation.
Original languageEnglish
Pages (from-to)243-250
Number of pages8
JournalJournal of Nuclear Materials
Issue number3
Publication statusPublished - 1 Jan 1994
Externally publishedYes

ASJC Scopus subject areas

  • Nuclear and High Energy Physics
  • General Materials Science
  • Nuclear Energy and Engineering


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