metal fatigue
metal fatigue — 名詞
1. The process by which metal becomes weaker and more likely to crack or break afte
金屬疲勞
金屬因反覆受力而變弱開裂
The process by which metal becomes weaker and more likely to crack or break after being bent, twisted, or stressed many times over a long period.
After years of daily use, the bridge's steel cables showed signs of metal fatigue.
經過多年的日常使用，大橋的鋼纜出現了金屬疲勞的跡象。
collocation: show signs of metal fatigue
Ravindra inspected the airplane wing for cracks caused by metal fatigue.
Ravindra 檢查了機翼上因金屬疲勞而產生的裂縫。
passive: caused by metal fatigue
Metal fatigue was the reason the old roller coaster track had to be replaced.
金屬疲勞是舊雲霄飛車軌道必須更換的原因。
The engineers warned that metal fatigue had made the pipeline unsafe for further use.
工程師警告說，金屬疲勞使得這條管線繼續使用已不安全。
Repeated bending of the metal rod eventually caused metal fatigue and a sudden break.
金屬棒的反覆彎曲最終導致金屬疲勞，造成突然斷裂。
- structural fatigue
broader term; includes other construction materials such as concrete
- material degradation
more general; covers all types of wear and chemical change, not just stress-related
用法筆記
Common in engineering, aviation, and safety inspection contexts to describe long-term structural degradation. The noun is uncountable and often appears as the object of 'cause' or the subject of passive constructions such as 'was caused by metal fatigue'.