V2EX cold work

Cold Work

释义 Definition

冷加工;冷作(冷变形加工):在低于材料再结晶温度(通常接近室温)的条件下,对金属等材料进行轧制、拉伸、弯曲、冲压等塑性变形加工。常见结果是强度和硬度提高延展性降低,并可能产生加工硬化与残余应力。该短语也可泛指“不加热条件下的作业”,但在工程语境中多指金属冷加工。

发音 Pronunciation (IPA)

/kold wk/

例句 Examples

Cold work can make the metal stronger but less flexible.
冷加工会让金属更强,但柔韧性更差。

After cold work, the steel often needs annealing to reduce internal stress and restore ductility.
经过冷加工后,钢材通常需要退火以降低内应力并恢复延展性。

词源 Etymology

cold 表示“低温、未加热的”,work 在工艺语境中指“加工、作业”。“cold work”字面义即“在不加热(或不显著加热)的状态下进行加工”。该用法在冶金与制造领域中逐渐固定,用来与 hot work(热加工)相对,强调温度相对再结晶温度较低这一关键工艺条件。

相关词 Related Words

文献与作品 Literary / Notable Works

  • ASM Handbook, Volume 14A: Metalworking: Bulk Forming(ASM International)
  • Manufacturing Engineering and Technology(Serope Kalpakjian & Steven R. Schmid)
  • Materials Science and Engineering: An Introduction(William D. Callister Jr.)
  • Dieter’s Mechanical Metallurgy(George E. Dieter)
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