V2EX thermal aging

Thermal Aging

释义 Definition

热老化:材料(常见于塑料、橡胶、涂层、绝缘材料等)在长期受热或反复热循环条件下,因氧化、链断裂、交联等反应导致性能逐渐劣化(如变脆、变硬、强度下降、颜色变化、绝缘性能变差)的过程。(在某些语境中也可泛指“因热引起的老化”。)

发音 Pronunciation (IPA)

/θrml ed/

例句 Examples

The plastic cable jacket showed thermal aging after years near the engine.
这层塑料电缆护套在发动机附近多年后出现了热老化。

Accelerated thermal aging tests can help predict how a polymer will perform over a decade of service in hot, oxygen-rich environments.
加速热老化测试可帮助预测聚合物在高温且富氧环境中服役十年左右的性能表现。

词源 Etymology

thermal 源自希腊语 thermē(“热”),经拉丁语与法语进入英语,意为“与热有关的”。aging 来自 age(“年龄、老化”),其动词形式表示“变老、老化”。合起来 thermal aging 直译为“热引起的老化”,常用于材料科学与工程可靠性领域。

相关词 Related Words

文献与作品 Literary / Notable Works

  • Polymer Degradation and Stability(期刊,常讨论聚合物的 thermal aging 机理与测试)
  • Handbook of Polymer Degradation(材料退化参考书,涉及热老化与氧化老化)
  • Rubber Technology: Compounding and Testing for Performance(橡胶配方与性能测试中常出现 thermal aging 测试)
  • IEC 60216(电气绝缘材料热耐久/热老化相关的国际标准文件中常用该术语)
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