The crack tip cavitation damage in a NiCr steel

Hong, Soon Hyung; Yu, Jin

doi:10.1016/0036-9748(89)90114-2

Cited by 3 publications

(1 citation statement)

References 11 publications

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“…That was thought to be enough to establish steady states, because the crack tip damage of the same material extended typically less than 150 m under the constant load condition. [10] In the case of the constant tests, three levels of the crosshead speed (6.0 ϫ 10 Ϫ6 , 3.0 ⅐ ⌬ ϫ 10 Ϫ5 , and 1.5 ϫ 10 Ϫ4 m/h) were chosen, as shown in Table III. …”

Section: Methodsmentioning

confidence: 99%

Quasi-steady-state creep crack growth in a 3.5NiCrMoV steel

Ryu

Hong³

1997

Metall Mater Trans A

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Creep crack growth rate ( ) is usually characterized in terms of macroscopic load parameters, such ⅐ a as C*, C t and C(t), through the constant load test. However, load parameters are continuously changing during the test, and so is . Here, by conducting constant C t and constant tests, quasi-steady-⅐ ⅐ a ⌬ state crack growth was obtained where remained almost constant. Results indicate the ϳ[C t ] 0.76 ⅐ ⅐ a a correlation, which differ from the ϳ[C t ] 0.96 correlation of the constant load test. Discrepancies can ⅐ a be ascribed to the inclusion of the stage II data, which showed no correlation between and C t , in ⅐ a the constant load analysis. Finally, the crack growth rate was well predicted using the MonkmamGrant analysis in creep crack growth.

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Section: Methodsmentioning

confidence: 99%