Absbwt-A simple procedure for calculating the fatigue crack propagation lifetimes of surface-initiated part-through cracks in bending is discussed and agreement is obtained with previously reported experimental data. It is shown that a realistic fatigue analysis of these cracks must include an expli
A description of fatigue crack growth in terms of plastik work
β Scribed by S.R. Bodner; D.L. Davidson; J. Lankford
- Publisher
- Elsevier Science
- Year
- 1983
- Tongue
- English
- Weight
- 247 KB
- Volume
- 17
- Category
- Article
- ISSN
- 0013-7944
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Almract--The plastic work required for a unit area of fatigue crack propagation U was measured by cementing tiny foil strain gages ahead of propagating fati~le cracks and recording the stress-strain curves as the crack approached. Measurements of U and plastic zone size in aluminum alloys 2024-T4, 2
## In this study, three fatigue crack growth life estimation methodologies are reviewed and sample calculations are made using these methodologies. Comparisons of the results with respect to the methodologies are made. Three computer codes which represent these methodologies, CRACKS IV, FAST and F