V2EX melt viscosity

Melt Viscosity

定义 Definition

melt viscosity熔体黏度;指材料(常见为聚合物、玻璃、金属等)在熔融状态下对流动的阻力大小,是衡量加工流动性的重要指标。数值越大,熔体越“稠”、越不易流动。(在不同剪切速率/温度下会变化。)

发音 Pronunciation (IPA)

/mlt vsksti/

例句 Examples

The melt viscosity is too high, so the plastic won’t fill the mold.
熔体黏度太高,所以塑料无法充满模具。

By adjusting temperature and shear rate, engineers can control melt viscosity to optimize extrusion and reduce defects.
通过调节温度与剪切速率,工程师可以控制熔体黏度,从而优化挤出过程并减少缺陷。

词源 Etymology

melt 源自古英语 meltan,意为“融化”;viscosity 源自拉丁语 viscosus(“黏的、黏稠的”),其词根与“胶黏、黏性”相关。合起来 melt viscosity 直译为“熔融状态的黏度”,常用于材料科学与聚合物加工语境。

相关词 Related Words

文学与作品 Literary Works

  • Principles of Polymer Processing(Z. Tadmor & C. G. Gogos)中在聚合物加工流变学章节频繁讨论 melt viscosity
  • Introduction to Polymer Rheology(Montgomery T. Shaw)用于解释熔体流动、剪切变稀等现象时常出现该术语。
  • Polymer Rheology: Fundamentals and Applications(T. C. B. McLeish 等相关教材/专著版本)在材料表征与加工窗口部分使用该词。
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