Fretting fatigue limit as a short crack problem at the edge of contact

Y. Kondo, C. Sakae, Masanobu Kubota, T. Nagasue, S. Sato

Research output: Contribution to journalArticle

7 Citations (Scopus)

Abstract

This paper proposes a local stress concept to evaluate the fretting fatigue limit for contact edge cracks. A unique S-N curve based on the local stress could be obtained for a contact edge crack irrespective of mechanical factors such as contact pressure, relative slip, contact length, specimen size and loading type. The analytical background for the local stress concept was studied using FEM analysis. It was shown that the local stress uniquely determined the ΔK change due to crack growth as well as the stress distribution near the contact edge. The condition that determined the fretting fatigue limit was predicted by combining the ΔK change due to crack growth and the ΔKth for a short crack. The formation of a non-propagating crack at the fatigue limit was predicted by the model and it was experimentally confirmed by a long-life fretting fatigue test.

Original languageEnglish
Pages (from-to)361-368
Number of pages8
JournalFatigue and Fracture of Engineering Materials and Structures
Volume27
Issue number5
DOIs
Publication statusPublished - May 1 2004

Fingerprint

Fatigue of materials
Cracks
Crack propagation
Stress concentration
Finite element method

All Science Journal Classification (ASJC) codes

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

Cite this

Fretting fatigue limit as a short crack problem at the edge of contact. / Kondo, Y.; Sakae, C.; Kubota, Masanobu; Nagasue, T.; Sato, S.

In: Fatigue and Fracture of Engineering Materials and Structures, Vol. 27, No. 5, 01.05.2004, p. 361-368.

Research output: Contribution to journalArticle

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