Materials Science
疲劳裂纹扩展
Fatigue crack growthThe progressive extension of a crack in a material under cyclic loading, leading to failure. / 材料在循环载荷作用下裂纹逐渐扩展并最终导致失效的过程。
- Knowledge type
- 自然理论
- First proposed or discovered
- Proposer
- Turkey Farm member
- Creator
- 农场主
- Last updated
- 2026-10-24 21:00:21
Sub-knowledge points
Paris LawStress intensity factor range (ΔK)Threshold stress intensity factor (ΔKth)
Higher-order knowledge points
Fracture mechanicsMaterial failure analysisStructural integrity assessment
Main parameters and performance indicators
Stress intensity factor (K): Driving force for crack growthNumber of cycles (N): Time under loadCrack growth rate (da/dN): Change in crack length per cycle
Open problems
Predicting long-term fatigue life in complex geometriesOptimizing material composition for maximum fatigue resistance
Related literature
ranked by community starsRoles of crosslinks and entanglements in resisting fatigue crack growth in elastic soft materialsOpen source
Related products and links
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Creation and modification trail
1 recordsRecord title: Fatigue crack growth.
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