Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 4 of 4 for “"Persistent slip bands"”.
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A study of crack initiation in corrosion-fatigue of A.I.S.I 316 stainless steel by dynamic measurement of corrosion characteristics and corrosion current transients
… transient depassivation of the surface at persistent slip bands, leaving ultimately to premature crack initiation. In conditions where the metal surface was active (transpassive) a mechanism is proposed, which involves the preferential dissolution at slip steps with resultant enhancement in …
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A microstructure based fatigue life prediction framework and its validation
… resolved shear stress, normal stress, slip-system length, and grain boundary character. In nickel-base superalloys, fatigue cracks tend to initiate near twin boundaries. The factors causing fatigue crack initiation depend on the material’s microstructure, the variability of which …
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The onset of gouging in high-speed sliding contacts
… prior to galling and gouging were deformation bands that resembled persistent slip bands on the rail surface. Another consistent feature was the transfer of slider material to the rail prior to galling and gouging. This suggests that gouging may not be triggered by micro-impact events, but by …
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Fatigue modeling of U720 – A multi-scale approach in understanding grain boundary effects on crack initiation
… are used to obtain the energy barriers for slip nucleation and transmission across various GB characters, which are used to service our fatigue model. In this study, we construct a model for prediction of fatigue crack initiation based on the material’s microstructure. Our approach is to …