Accession Number:

ADA196219

Title:

Influence of Specimen Size on Fatigue Crack Initiation of Welded HY100 Steel

Descriptive Note:

Technical memo.

Corporate Author:

DEFENCE RESEARCH ESTABLISHMENT ATLANTIC DARTMOUTH (NOVA SCOTIA)

Personal Author(s):

Report Date:

1988-01-01

Pagination or Media Count:

73.0

Abstract:

The assumption of a statistical distribution of the flaws in a component leads to a prediction of a correlation between crack initiation life and the size of a fatigue loaded part. The influence of the specimen size on the fatigue crack initiation behaviour was analysed for two series of welded HY 100 steel plates of different widths. The weldments were prepared with E12018M2 electrodes. The prediction of the number of cycles to crack initiation and of the allowable stresses for samples of a different size agreed well with the experimental results. Keywords Welding procedure, Metallography, Welded plates, Crack initiation, Canada.

Subject Categories:

  • Properties of Metals and Alloys

Distribution Statement:

APPROVED FOR PUBLIC RELEASE