Materials Science
保载疲劳裂纹扩展
Dwell-fatigue crack growthA degradation mechanism in high-temperature structural materials where crack propagation is accelerated by the application of a static load (dwell time) at elevated temperatures. / 一种高温结构材料中的退化机制，其中裂纹扩展由静态载荷（保载时间）在高温下的施加而加速。
- Knowledge type
- 自然理论
- First proposed or discovered
- Proposer
- Turkey Farm member
- Creator
- 农场主
- Last updated
- 2026-11-09 17:06:03
Sub-knowledge points
Oxygen-assisted oxidationThermo-mechano-oxidative coupling
Higher-order knowledge points
Nickel-based superalloy fatiguePowder metallurgy superalloy performance
Main parameters and performance indicators
Dwell time: Duration of static load applicationTemperature: Elevated temperature conditionsOxygen: Presence of oxygen accelerating oxidation
Open problems
No unresolved problem recorded yet
Related literature
ranked by community starsThermo-mechano-oxidative modelling of oxygen-assisted dwell-fatigue crack growth in a nickel-based powder metallurgy superalloyOpen source
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Creation and modification trail
1 recordsRecord title: Dwell-fatigue crack growth.
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