V2EX wear rate

Wear Rate

Definition / 释义

wear rate磨损率;指材料或零件在摩擦、滑动、滚动等工况下,单位时间或单位载荷/滑动距离内的磨损量(如体积损失、质量损失或厚度减少)。常用于工程、材料学与摩擦学(tribology)中。不同文献会用不同单位表示(例如 mm/Nm、mg/km、m/h 等)。

Pronunciation / 发音

/wr ret/

Examples / 例句

The wear rate of the brake pads increased after the rainy season.
雨季过后,刹车片的磨损率上升了。

Under high load and poor lubrication, the wear rate can rise sharply, shortening the service life of the bearing.
在高载荷且润滑不良的情况下,磨损率可能会急剧上升,从而缩短轴承的使用寿命。

Etymology / 词源

wear 来自古英语 werian(“磨损、耗损”),与“使用导致的损耗”相关;rate 来自拉丁语 rata(“固定的、计算出的比例/数量”),后来引申为“速率、比率”。合在一起,wear rate 就是“磨损发生的速率/程度的量化指标”。

Related Words / 相关词

Literary Works / 文学作品

  • Engineering Tribology(工程摩擦学教材/专著中常用术语,讨论磨损机理与磨损率测量)
  • Machinery’s Handbook(《机械工程手册》类工具书中常见,用于材料与零件性能数据描述)
  • ASTM 与 ISO 相关摩擦磨损测试标准文本(如销-盘试验等标准中常出现 “wear rate” 用于报告测试结果)
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