The role of cyclic plastic zone size on fatigue crack growth behavior in high strength steels
作者： Akhmad A. Korda , Y. Miyashita , Y. Mutoh
DOI: 10.1063/1.4930717
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摘要: The role of cyclic plastic zone in front the crack tip was studied high strength steels. Estimated size would be compared with actual observation. Strain controlled fatigue tests steels were carried out to obtain stress-strain curves for estimation. Observations using situ SEM growth under a constant-ΔK. Hard microstructures structural showed inhibit extent deformation around tip. rate can correlated zone. smaller size, slower growth.
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