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RISAssessment of Failure Life Evaluation Methods for Structural Discontinuities With Fatigue and Creep-Fatigue Tests on Multiperforated Plate Made of Mod.9Cr-1Mo Steel
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: In the design of components for service at elevated temperatures, fatigue and creep-fatigue due to cyclic loading are some of the most important failure modes, and the assessment of failure life at structural discontinuities ...
Experimental Study on the Deformation and Failure of the Bellows Structure Beyond the Designed Internal Pressure
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Bellows structure is used to absorb the thermal expansion maintaining the boundary of the inside to outside, and it is applied to constitute the containment vessel (CV) boundary of the nuclear power plant. In this study, ...
A Screening Method for Prevention of Ratcheting Strain Derived From Movement of Temperature Distribution
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: In this paper, we simplify the existing method and propose a screening method to prevent thermal ratcheting strain in the design of practical components. The proposed method consists of two steps to prevent the continuous ...
Stress Mitigation Design of a Tubesheet by Considering the Thermal Stress Inducement Mechanism
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Adoption of doublewall straighttube steam generators (SGs) made of Mod.9Cr1Mo steel is planned for nextgeneration fast breeder reactors (FBRs) in Japan. One of the major concerns with the SG is the structural integrity of ...
Comparison and Assessment of the Creep Fatigue Evaluation Methods With Notched Specimen Made of Mod.9Cr 1Mo Steel
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: In components design at elevated temperature, creepfatigue is one of the most important failure modes, and assessment of creepfatigue life in structural discontinuities is an important issue in evaluating the integrity of ...