A new method for the measurement of mode II fatigue threshold stress intensity factor range ΔKτth

Y. Murakami, Shigeru Hamada

Research output: Contribution to journalArticle

31 Citations (Scopus)

Abstract

In order to evaluate the threshold value ΔKτth for mode II fatigue crack growth, a new measurement method of mode II fatigue crack growth has been developed. This method uses a conventional closed-loop tension-compression fatigue testing machine without additional loading attachments. Mode II fatigue tests for structural steel and rail steel have been carried out. This method has proved successful and has reproduced mode II fatigue fracture surfaces similar to those found in the spalling of industrial steel-making rolls. The crack length during testing was measured by an AC potential method. The relationships between da/dN and ΔKτ, and ΔKτth for several materials have been obtained.

Original languageEnglish
Pages (from-to)863-870
Number of pages8
JournalFatigue and Fracture of Engineering Materials and Structures
Volume20
Issue number6
DOIs
Publication statusPublished - Jan 1 1997

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Steel
Stress intensity factors
Fatigue of materials
Fatigue crack propagation
Compression testing
Fatigue testing
Spalling
Rails
Cracks
Testing

All Science Journal Classification (ASJC) codes

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

Cite this

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