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RISComponent Tests and Numerical Investigations to Determine the Lifetime and Failure Behavior of End Stage Blades
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The paper focuses on experimental and numerical fatigue assessment procedures to evaluate the influence of multi-axial stress state caused by high centrifugal forces superimposed with bending loads due to blade vibrations ...
Damage Assessment of Similar Martensitic Welds Under Creep, Fatigue, and Creep-Fatigue Loading
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: For the assessment of welds under high-temperature conditions in the creep or creep-fatigue regimes, the knowledge of the damage location and its temporal evolution is of high importance. The local failure behavior of weld ...
Experimental and Numerical Investigations on the Relaxation Behavior of Power Plant Flange Connections Under Steady State and Transient Conditions
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: An essential part of today's power plants are flanges, for example, as connection between turbine housings and pipes. They allow for revisions, inspections, and maintenance measures. Ongoing changes toward higher amounts ...
Development and Evaluation of Generic Test Pieces for Creep Property Assessment of Laser Powder Bed Fusion Components
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Metal laser powder bed fusion (PBF-LB/M) allows for high degrees of design freedom and the manufacture of high-temperature Ni-based materials, such as IN738LC. The PBF-LB/M microstructure is dependent on several factors, ...