V2EX thixotropic

Thixotropic

定义 Definition

触变的;具触变性的:指某些材料在静止时较稠(甚至呈凝胶状),受到搅拌、震动或剪切力后会变稀、流动性增强;停止作用后又会逐渐恢复到较稠的状态。常用于描述油漆、浆料、凝胶、钻井液、某些食品与化妆品质地等。

发音 Pronunciation (IPA)

/θk.strp.k/

例句 Examples

Thixotropic paint is thick in the can but spreads easily with a brush.
触变性油漆在罐里很稠,但用刷子一刷就很容易铺开。

The engineers selected a thixotropic gel so it would stay in place during storage yet flow under shear during application.
工程师选择了触变性凝胶,使其在储存时能保持原位不易流动,但在施工时受剪切力作用又能顺畅流动。

词源 Etymology

thixotropic 来自科学构词:thixo- 源于希腊语 thixis(意为“触碰、搅动”相关概念),**-tropic** 源于希腊语 tropos(“转向、变化”)。合起来强调“在被触动/搅动时发生性质变化”,特指材料在剪切作用下黏度随时间降低、静置后可恢复的现象。

相关词 Related Words

文学与著作中的用例 Literary / Notable Works

  • Rheology: Principles, Measurements, and Applications(流变学教材/专著中常用于讨论触变性材料)
  • An Introduction to Rheology(入门级流变学著作中常出现,用于解释时间依赖黏度变化)
  • 期刊论文与工程手册中高频出现:如关于油漆、钻井液、胶黏剂与化妆品质地控制的研究(常用 “thixotropic gel/ink/paint/fluid” 等搭配)
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