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RESEARCH PAPERS

A Study on Fatigue Life Distribution of Butt-Welded Joints

[+] Author and Article Information
T. Sakai, K. Fujitani

Ritsumeikan University, Kyoto 603, Japan

T. Kikuchi

Iron and Steel Technical College, Amagasaki 661, Japan

T. Tanaka

Toyo Bearing Co. Ltd., Iwata 438, Japan

J. Eng. Mater. Technol 107(4), 338-342 (Oct 01, 1985) (5 pages) doi:10.1115/1.3225829 History: Received March 03, 1983; Online September 15, 2009

Abstract

To examine the statistical fatigue life properties of welded joints, fatigue tests were performed on a number of butt-welded specimens, in parallel with similar tests conducted on small specimens spliced from larger butt-welded plates. Based on a statistical test, it was concluded that the distribution characteristics of crack initiation life for the butt-welded joint were successfully evaluated by the results for the spliced specimens for a certain definition of the crack initiation. The definition of crack initiation was based on a fracture mechanics similitute approach.

Copyright © 1985 by ASME
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