V2EX eutectic

Eutectic

释义 Definition

(材料/化学)共晶的;共晶点的。 指在某一特定成分与温度下,两种(或多种)物质能同时结晶,并以最低熔点(或最低凝固温度)发生相变的体系或状态。名词用法也很常见:eutectic(共晶/共晶混合物)

发音 Pronunciation (IPA)

/jutktk/

例句 Examples

A eutectic mixture melts at a lower temperature than either pure substance.
共晶混合物的熔点比任一纯物质都低。

In alloy design, engineers may choose a eutectic composition because it solidifies at a single temperature and can produce a fine, uniform microstructure.
在合金设计中,工程师可能会选择共晶成分,因为它在单一温度下凝固,并且能形成细小而均匀的显微组织。

词源 Etymology

来自希腊语:eu-(“好、良好”)+ tēktos(“可熔的、融化的”,与 melt 的概念相关),整体含义接近“容易/良好熔化的”,用来描述具有最低熔点特征的成分组合与相变行为。

相关词 Related Words

文学与著作中的用例 Literary / Notable Works

  • ASM Handbook, Volume 3: Alloy Phase Diagrams(ASM International,关于合金相图与共晶反应的权威资料)
  • Introduction to Materials Science and Engineering(常见材料科学教材,讨论共晶组织与凝固)
  • Phase Transformations in Metals and Alloys(经典相变著作,涉及共晶反应与显微组织形成)
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