Begrepsinformasjon
Anbefalt term
Fatigue resistance
Definisjon
- 1. Fatigue resistance, like impact resistance, relates to how a material reacts under cyclic loading. Due to the effects of cyclic loading, a material may fail at a load lower than would be expected under normal loading conditions. This load is often referred to as the endurance limit or the fatigue limit and is measured in newtons (N). (Science direct, Wheel–Rail Interface Handbook 2009, Pages 211-244). 2. Fatigue resistance (or fatigue strength) is the property of a material that does not break down over time under the influence of changing workloads. In most cases, these are cyclic loads. If the level of alternating stresses exceeds a certain limit, then irreversible processes of damage accumulation occur in the material, which ultimately lead to the destruction of the structure. It is established that about 90% of all breakdowns of machine parts are the result of the development of fatigue cracks. (Springer, Theoretical and Applied Mechanics, Valentin Molotnikov, Antonina Molotnikova). 3. Fatigue resistance refers to the ability of a material to withstand repeated cycles of stress or strain without experiencing failure. This property is crucial in applications where materials are subjected to fluctuating loads over time, such as in automotive, aerospace, and industrial machinery components. Fatigue resistance is typically measured by subjecting a sample to cyclic loading and observing the number of cycles it can endure before cracking or breaking. (https://polyspectra.com/what-is-fatigue-resistance/)
Overordnede begreper
URI
https://purls.helmholtz-metadaten.de/evoks/sdv/FatigueResistance
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