V2EX ductility

Ductility

定义 Definition

“Ductility” 指“延展性;可拉伸性”,主要用于材料科学,表示材料在受拉力时能被拉成细丝或发生较大塑性变形而不断裂的能力。(另有引申义可指“灵活变通的特性”,但较少见。)

发音 Pronunciation (IPA)

/dktlti/

例句 Examples

Copper’s high ductility makes it easy to draw into wire.
铜的延展性很高,因此很容易被拉制成电线。

The engineer tested the alloy’s ductility to ensure it could withstand deformation during manufacturing without cracking.
工程师测试了这种合金的延展性,以确保它在制造过程中发生变形时不会开裂。

词源 Etymology

“Ductility” 源自拉丁语 ductilis(“可被牵引/可被拉伸的”),与动词 ducere(“引导、拉、带领”)同源;后进入英语,用来描述材料“可被拉长并成形”的性质。

相关词 Related Words

文学与著名作品 Literary Works

  • The Structure of Materials(Samuel M. Allen & Edwin L. Thomas 等):在讨论金属与聚合物的力学性能时常用到 “ductility”。
  • Mechanical Metallurgy(George E. Dieter):经典冶金教材,系统讲解延展性与拉伸试验等概念,频繁出现 “ductility”。
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