The Combined Effect of Stress State and Grain Size on Hydrogen Embrittlement of Titanium.

Abstract

The influence of grain size on the hydrogen embrittlement of titanium sheets is shown to depend on stress state. Results are presented which indicate that the deleterious effect of a large grain size on the susceptibility to hydrogen embrittlement is more severe in equibiaxial tension than in uniaxial tension. This effect may be understood in terms of the sensitivity of both void nucleation (due to hydride fracture) and void link-up due to the combined effects of large grain/hydride fracture) and void link-up due to the combined effects of large gain/hydride sizes and the large multidirectional, normal stresses that develop during deformation of plastically anisotropic sheets in equibiaxial tension. (Author)

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Document Details

Document Type
Technical Report
Publication Date
Jul 01, 1985
Accession Number
ADA158923

Entities

People

  • D. A. Gerard
  • Donald A. Koss

Organizations

  • Michigan Technological University

Tags

DTIC Thesaurus Topics

  • Abstracts
  • Classification
  • Contracts
  • Elements
  • Embrittlement
  • Engineering
  • Grain Size
  • Hydrogen Embrittlement
  • Materials
  • Michigan
  • Military Research
  • Security
  • Strain Rate
  • Stresses
  • Titanium
  • United States
  • Universities

Readers

  • Materials Science (Mechanical Engineering).