Fracture Plane of Cruciform Specimen in Biaxial Low Cycle Fatigue—Estimate by Variance Method and Experimental Verification

[+] Author and Article Information
Włodzimierz Bedkowski, Ewald Macha

Technical University of Opole, ul.Mikołajczyka 5, 45-233 Opole, Poland

Masateru Ohnami, Masao Sakane

Ritsumeikan University, Shiga, Japan

J. Eng. Mater. Technol 117(2), 183-190 (Apr 01, 1995) (8 pages) doi:10.1115/1.2804528 History: Received April 09, 1993; Online November 27, 2007


This paper presents the variance method of determining the fracture plane under random multiaxial stress states. The fracture plane was estimated analytically by the variance method with the three fatigue criteria. The estimated fracture planes were compared with experimental results using type SUS 304 and 1Cr-1Mo-1/4V steel cruciform specimens. The variance method with the maximum normal strain criterion, by neglecting the strain in direction in which no external forces act, could estimate the actual fracture planes of cruciform specimens in high temperature biaxial low cycle fatigue.

Copyright © 1995 by The American Society of Mechanical Engineers
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