V2EX thixotropy

Thixotropy

释义 Definition

触变性:指某些材料在静置时变稠/呈凝胶状,而在搅拌、震动或受剪切时变稀、流动性增强;停止作用后又会逐渐恢复变稠的性质。常见于油漆、泥浆、凝胶、某些食品与化妆品等。(该词在不同学科语境中也可能有更细的定义。)

发音 Pronunciation (IPA)

/θkstrpi/

例句 Examples

The paint has thixotropy, so it spreads easily when you brush it.
这种油漆具有触变性,所以用刷子刷时很容易铺开。

In drilling fluids, thixotropy helps suspend particles at rest but allows smooth pumping under shear.
在钻井液中,触变性有助于在静置时悬浮颗粒,但在剪切作用下又能顺畅泵送。

词源 Etymology

thixotropy 来自希腊语词根:thixis(“触碰、搅动”)+ -tropy(“转变、变化”)。字面含义可理解为“因触动/搅动而发生的变化”,用来描述材料在受力搅动时流变性质发生可逆改变的现象。

相关词 Related Words

文学与著作中的用例 Literary Works

  • Rheology: Principles, Measurements, and Applications(Christopher W. Macosko)
  • Dynamics of Polymeric Liquids(Bird, Armstrong & Hassager)
  • The Structure of Complex Fluids(R. G. Larson)
  • An Introduction to Rheology(H. A. Barnes, J. F. Hutton & K. Walters)
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