NOTCH EFFECT IN LOW CYCLE FATIGUE

Consideration of results of different type of fatigue tests made on unnotched and circumferentially notched steel bar specimens showed that in order to clarify notch effect in low cycle fatigue, it is necessary to distinguish fatigue lives for crack initiation and for fracture. Fatigue life for crack initiation can be regarded as function of peak value of effective strain range at notch, but crack propagation after crack initiation is almost independent of notch; so-called fatigue notch factor i.e. fatigue strength reduction factor due to notch effect is discussed in various aspects of fatigue curves at low cycle region.

• Corporate Authors:

  Japan Society of Mechanical Engineers

  Shinanomachi Rengakan Building, 5th Floor, Shinanomachi 35, Shinjuku-ku
  Tokyo,   Japan  160-0016
• Authors:
  • Mitsuhashi, S
  • WADA, T
• Publication Date: 1969-8

Media Info

• Pagination: p. 673-82
• Serial:
  • Volume: 12
  • Issue Number: 2

Subject/Index Terms

• TRT Terms: Cracking; Fatigue (Mechanics); Fracture mechanics; Notch tests
• Uncontrolled Terms: Fatigue life
• Old TRIS Terms: Crack formation; Low cycle fatigue
• Subject Areas: Marine Transportation; Materials;

Filing Info

• Accession Number: 00019174
• Record Type: Publication
• Source Agency: Engineering Index
• Report/Paper Numbers: Bulletin
• Files: TRIS
• Created Date: Nov 8 1971 12:00AM