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1. Material fatigue
Depending on the nature of the operating conditions, fatigue cracks can be classified into two mechanisms: Thermo-Mechanical Fatigue and High Cycle Fatigue. Wöhler curves or S-N curves (Stress – Number of cycles) are used to design parts for fatigue loading. These curves are defined for each type of material.
For example, a cylindrical specimen of a given material is rotated around its axis of revolution and subjected to a stress (σ a ). Each specimen is cyclically stressed to failure, and the number of cycles required to reach failure...
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Material fatigue
Parameters
Bibliography
Events
Aachen Colloquium on Automobile and Engine Technology http://www.aachener-kolloquium.de/en/
Torsional Vibration Symposium http://torsional-vibration-symposium.com/
Standards and norms
- Geometric product specification (GPS) – Dimensional and geometric tolerances of molded parts – Part 3: General dimensional and geometrical tolerances and machining allowances for castings using ± tolerances for indicated dimensions, second edition - ISO 8062-3 - 2023
- Foundry – Flake-graphite cast irons - ISO DIN EN 1561 - 2011
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