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RISStress Intensity Factor Interaction for Subsurface to Surface Flaw Transformations Under Stress Concentration Fields
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: If a single subsurface flaw is detected that is close to a component's free surface, a flaw-to-surface proximity rule is used to determine whether the flaw should be treated as a subsurface flaw, or transformed to a surface ...
Application Scope of Limit Load Criterion for Ductile Material Pipes With Circumferentially External Cracks
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Bending stress at plastic collapse for a circumferentially cracked pipe is predicted by limit load criterion provided by the Appendix C of the ASME Code Section XI. The equation of the Appendix C is applicable for pipes ...
Development of Scaling Parameter SR for Negative Stress Ratios R Based on Trend in Experimental Data for Fatigue Crack Growth Rates of Austenitic Stainless Steels for ASME Code Section XI
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Fatigue crack growth rates da/dN for stainless steels in air environment are provided by the ASME Code Section XI. The fatigue crack growth rates are given by da/dN = CF(ΔK)n, where CF is the fatigue crack growth rate ...
Remaining Fatigue Lives of Similar Surface Flaws in Accordance With Combination Rules
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: When multiple flaws are detected in structural components, the remaining lives of the components are estimated by fatigue flaw growth calculations using combination rules in fitness-for-service (FFS) codes. Many FFS codes ...
Remaining Lives of Fatigue Crack Growths for Pipes With Subsurface Flaws and Subsurface to Surface Flaw Proximity Rules
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: If a subsurface flaw is located near a component surface, the subsurface flaw is transformed into a surface flaw in accordance with a subsurfacetosurface flaw proximity rule. The recharacterization process from subsurface ...
Recharacterization of Subsurface Flaw to Surface Flaw Based on Equivalent Fatigue Crack Growth Rate
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: A subsurface flaw located near a component surface is transformed to a surface flaw in accordance with a flawtosurface proximity rule. The recharacterization process from subsurface to surface flaw is adopted in all ...
Fatigue Crack Growth Thresholds at Negative Stress Ratio for Ferritic Steels in ASME Code Section XI
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Thresholds of fatigue crack growth rates are important characteristics for fatigue crack growth assessment for the integrity of structural components. ASME Code Section XI provides fatigue crack growth thresholds for ...
Stress Intensity Factors for Transformed Surface Flaws and Remaining Fatigue Lives Based on Flaw-to-Surface Proximity Rules
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Subsurface flaws are sometimes found as blowholes near free surfaces of structural components. Net-section stress at the ligament between the free component surface and the subsurface flaw increases when the ligament size ...
Plastic Collapse Stresses for Pipes With Inner and Outer Circumferential Cracks
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Bending stresses at incipient plastic collapse for pipes with circumferential surface cracks are predicted by net-section stress approach. Appendix C-5320 of ASME B&PV Code Section XI provides an equation of bending ...
Fatigue Crack Growth Thresholds at Negative Stress Ratio for Ferritic Steels in ASME Code Section XI
Publisher: American Society of Mechanical Engineers (ASME)
Abstract: Thresholds of fatigue crack growth rates are important characteristics for fatigue crack growth assessment for the integrity of structural components. ASME Code Section XI provides fatigue crack growth thresholds for ...