V2EX thermal grease

Thermal Grease

Definition / 定义

thermal grease:导热硅脂(也称“散热膏/导热膏”),一种涂在CPU/GPU 与散热器等接触面之间的粘稠材料,用来填充微小缝隙、降低热阻、提升散热效率。常见成分包括硅油与导热填料(如氧化锌、陶瓷或金属微粒)。在其他领域也可泛指“导热膏/导热化合物”。

Pronunciation / 发音

/θ.ml ris/

Examples / 例句

Apply a thin layer of thermal grease before installing the heatsink.
在安装散热器之前,先薄薄地涂一层导热硅脂。

Because the old thermal grease had dried out, the laptop began to overheat under heavy workloads.
由于旧的导热硅脂已经干涸,这台笔记本在高负载运行时开始过热。

Etymology / 词源

thermal 源自希腊语 thermē(“热”),经由拉丁语与法语进入英语,表示“与热有关的”。grease 原指“油脂、润滑脂”。两者组合成 thermal grease,字面即“用于热传导的油脂状材料”,在电子与工程语境中固定指代“导热膏/导热硅脂”。

Related Words / 相关词汇

Literary Works / 文学作品

  • The Art of Electronics(Horowitz & Hill):在讨论电子散热与器件安装时常提及导热界面材料(包括 thermal grease)。
  • Practical Electronics for Inventors:在介绍功率器件、散热器与装配注意事项时会使用该术语。
  • Build Your Own CNC Machine:在机电装配与散热相关章节中可能出现该词或同义表达。
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