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contributor authorHasegawa, Kunio
contributor authorStrnadel, Bohumir
contributor authorUsami, Saburo
contributor authorLacroix, Valery
date accessioned2019-09-18T09:05:07Z
date available2019-09-18T09:05:07Z
date copyright4/4/2019 12:00:00 AM
date issued2019
identifier issn0094-9930
identifier otherpvt_141_03_031101.pdf
identifier urihttp://yetl.yabesh.ir/yetl1/handle/yetl/4258679
description abstractThresholds of fatigue crack growth rates are important characteristics for fatigue crack growth assessment for the integrity of structural components. ASME Code Section XI provides fatigue crack growth thresholds for ferritic steels in air and water environments. The threshold is given as a constant value under a negative stress ratio. However, the thresholds are not clearly defined in the range of negative stress ratios. The definition seems to be maximum stress intensity factors. Besides, the thresholds expressed by the maximum stress intensity factors decrease with decreasing stress ratios. This means that the thresholds under negative stress ratios become unconservative assessments. The objective of this paper is to discuss the definition of fatigue crack growth threshold and to propose the threshold equation for the ASME Code Section XI, based on experimental data obtained from a literature survey.
publisherAmerican Society of Mechanical Engineers (ASME)
titleFatigue Crack Growth Thresholds at Negative Stress Ratio for Ferritic Steels in ASME Code Section XI
typeJournal Paper
journal volume141
journal issue3
journal titleJournal of Pressure Vessel Technology
identifier doi10.1115/1.4043081
journal fristpage31101
journal lastpage031101-6
treeJournal of Pressure Vessel Technology:;2019:;volume( 141 ):;issue: 003
contenttypeFulltext


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