V2EX shot peening

Shot Peening

释义 Definition

喷丸强化 / 喷丸处理:一种表面强化工艺,用高速钢丸、陶瓷丸或玻璃丸等反复撞击金属表面,使其产生残余压应力与轻微冷作硬化,从而提高零件的疲劳强度抗裂性,并降低应力腐蚀开裂风险。(也常用于齿轮、弹簧、航空零件等)

发音 Pronunciation (IPA)

/t pin/

例句 Examples

The factory uses shot peening to extend the life of metal springs.
工厂使用喷丸强化来延长金属弹簧的寿命。

After heat treatment, the turbine blades were shot peened to introduce compressive stress and reduce fatigue cracking.
热处理后,涡轮叶片进行了喷丸强化,以引入压应力并减少疲劳裂纹的产生。

词源 Etymology

shot 原指“弹丸、颗粒”,peen 来自金工语境,指锤子的“锤尾/圆头”以及“用锤击使表面变形致密”的动作;peening 即“锤击致密/强化”。合起来,shot peening 直观表达了“用丸粒像小锤一样反复敲击表面”的工艺原理。

相关词 Related Words

文学与著作 Literary Works

  • ASM Handbook, Volume 5: Surface Engineering(材料与表面工程权威手册中系统讨论喷丸强化)
  • SAE AMS 2430 / AMS 2432(航空材料规范,常用于喷丸强化的工艺与检验要求)
  • Metal Fatigue in Engineering(工程疲劳相关教材/专著中常以喷丸强化作为提高疲劳寿命的典型方法)
  • Machinery’s Handbook(机械工程常用工具书,表面处理与制造工艺章节可能提及喷丸/喷丸强化)
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