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RISClosed-Form Stress Intensity Factor Solutions for Circumferential and Axial Surface Cracks With Large Aspect Ratios in Pipes
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The ASME Boiler and Pressure Vessel Code Section XI prescribes the stress intensity factor solutions at the surface and deepest points for a semi-elliptical crack. The ASME Code Section XI, however, provides no solutions ...
Closed-Form Stress Intensity Factor Solutions for Surface Cracks With Large Aspect Ratios in Plates
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Alloy 82/182/600, which is used in light-water reactors, is known to be susceptible to stress-corrosion cracking. The depth of some of these cracks may exceed the value of half-length on the surface. Although the stress ...
Development of Stress Intensity Factors for Cracks With Large Aspect Ratios in Pipes and Plates
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The stress intensity factors (SIFs) for pipes containing semi-elliptical surface cracks with large aspect ratios were calculated by finite-element analysis (FEA). The cracks were circumferential and axial surface cracks ...
Study on Flaw to Surface Proximity Rule for Transforming Subsurface Flaws to Surface Flaws Based on Fatigue Crack Growth Experiments
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: If a subsurface flaw is located very near a component surface, the subsurface flaw is categorized as a surface flaw. The boundary of the subsurface and surface flaws is required for flaw evaluation. The subsurface flaw is ...
Plastic Collapse Moment for Weld Overlay Pipe With Multiple Circumferential Flaws
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Weld overlay is one of the useful repair methods for cracked piping that has been successfully applied for piping in many nuclear power plants. This paper proposes an approach for predicting plastic collapse moment for ...
Fringe-Belt Phenomenon in a Historic Chinese City: The Case of Foshan
Publisher: American Society of Civil Engineers
Abstract: This paper explores the fringe-belt phenomenon in Foshan, which, unlike the large majority of historical cities in China, lacked city walls throughout its history. By tracing the stages in the transformation of the physical ...
Guideline on Probabilistic Fracture Mechanics Analysis for Japanese Reactor Pressure Vessels
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: In Japan, to prevent nil-ductile fracture of reactor pressure vessels (RPVs) due to neutron irradiation embrittlement, deterministic fracture mechanics evaluation in accordance with the codes provided by the Japan Electric ...
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 ...
Fatigue Crack Growth for Ferritic Steel Under Negative Stress Ratio
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The phenomenon of crack closure is important in the prediction of fatigue crack growth behavior. Many experimental data indicate crack closures during fatigue crack growths both under tensile–tensile loads and tensile–compressive ...
Improvement of Probabilistic Fracture Mechanics Analysis Code PASCAL-SP Regarding Stress Corrosion Cracking in Nickel Based Alloy Weld Joint of Piping System in Boiling Water Reactor
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: In the past few decades, cracks because of stress corrosion cracking (SCC) have been detected in the dissimilar weld joints using nickel-based alloy in piping system of boiling water reactors (BWRs). Thus, the structural ...