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Effect of unloading rate on surface crack growth during underload cycles in X-65 pipeline steel exposed to near-neutral pH environments
DownloadSpring 2019
This thesis has studied the crack growth behaviour of fully-coated, partially-coated, and fully-exposed semi-elliptical cracks immersed in a near-neutral pH environment with an applied cathodic potential. The effects of adding a one-hour monotonic hold and waveform shape were explored. The...
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Fall 2020
Solidification during continuous casting of X70 microalloyed steel results in two types of elemental segregation; microsegregation (interdendritic) and macrosegregation (at the centerline). Both micro and macrosegregation lead to deterioration of steel properties and, hence, a lower degree of...