publication . Article . 1988

Effects of Specimen Diameters on the Distribution of Corrosion Fatigue Cracks

石原, 外美; 塩澤, 和章; 宮尾, 嘉寿;
Open Access Japanese
  • Published: 01 Aug 1988 Journal: 日本機械学會論文集. A編 = Transactions of the Japan Society of Mechanical Engineers. A, volume 54, issue 504, pages 1,482-1,488 (issn: 0387-5008, Copyright policy)
  • Publisher: 社団法人日本機械学会
Abstract
The distribution of corrosion fatigue cracks observed on the un-notched round specimen surface differs with specimen diameter, especially in the low stress amplitude region. At a constant fatigue life ratio, many long cracks are initiated on the larger specimen, 12 mm (diameter), in comparison with the smaller specimen, 6 mm (diameter). On the other hand, in the high stress amplitude region of corrosion fatigue and fatigue in laboratory air, the distribution of cracks during the fatigue process does not depend on specimen diameters. In the low stress amplitude region of corrosion fatigue, crack growth rate does not show the usual behavior of the dependence of cr...
Subjects
Medical Subject Headings: mental disorders
free text keywords: Fatigue, Corrosion Fatigue, Specimen Size Effect, Crack Density, Distribution of Crack Lengths, Carbon Steel
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Article . 1988
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