metal fatigue
metal fatigue — 名詞
1. the gradual weakening of metal caused by small, repeated forces over a long peri
金屬疲勞
金屬因重複受力而逐漸弱化
the gradual weakening of metal caused by small, repeated forces over a long period, which can eventually create small cracks or cause the metal to break.
The bridge was closed after inspectors found metal fatigue in the steel support beams.
檢查人員在鋼製支撐樑上發現金屬疲勞後，這座橋便關閉了。
passive: be closed after [agent] found metal fatigue in [part]
Years of vibration from heavy traffic had caused metal fatigue in the railway tracks.
多年來重型車輛行駛產生的震動，導致了鐵軌的金屬疲勞。
cause-and-effect: vibration / heavy traffic → metal fatigue
Regular X-ray checks can detect metal fatigue in aircraft engine parts before a crack forms.
定期的X光檢查可以在裂縫形成之前，偵測到飛機引擎零件的金屬疲勞。
The maintenance team replaced the crane cable after tests showed signs of metal fatigue.
維修團隊在測試顯示鋼索出現金屬疲勞跡象後，更換了起重機鋼索。
Metal fatigue in the pipeline was discovered during a routine pressure test.
管線的金屬疲勞是在一次例行壓力測試中發現的。
- material fatigue
broader term that includes fatigue in non-metal materials such as plastic or concrete
- stress fatigue
emphasises the role of mechanical stress as the cause
用法筆記
Almost always used as an uncountable noun. Frequently appears with verbs like 'detect', 'show', 'cause', or 'prevent'. Common in engineering and safety inspection contexts.