V2EX stress-strain

Stress-Strain

定义 Definition

stress-strain 指“应力应变(关系/曲线)”:材料在受力时,内部抵抗力(应力)形变程度(应变)之间的关系,常用应力应变曲线来描述材料的弹性、屈服与断裂等力学行为。

发音 Pronunciation

/strs stren/

例句 Examples

The stress-strain curve shows how the material behaves under tension.
应力应变曲线显示材料在拉伸下的行为。

Engineers used stress-strain data to choose a steel that would not yield under repeated loads.
工程师利用应力应变数据选择一种在反复载荷下不易发生屈服的钢材。

词源 Etymology

stress 原意与“压迫、施压”相关,后来在物理与工程语境中发展为“材料内部的受力(应力)”。strain 与“拉紧、拉扯、扭曲”有关,在力学中专指“形变(应变)”。两词并用(常写作 stressstrain 或 stress-strain)用于强调二者的对应关系,尤其是在材料力学与材料科学中。

相关词 Related Words

文学与著作 Literary Works

  • Mechanics of Materials(Ferdinand P. Beer, E. Russell Johnston 等):大量讨论应力应变关系与曲线。
  • Strength of Materials(Stephen P. Timoshenko):经典材料力学著作,系统使用 stressstrain 概念。
  • Materials Science and Engineering: An Introduction(William D. Callister):以应力应变曲线讲解材料的弹性、屈服与加工硬化等。
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