V2EX phase diagram

Phase Diagram

释义 Definition

相图:用图形方式表示物质在不同条件(如温度、压力、成分)下处于哪些(固、液、气或不同固相)以及相之间如何转变的图。常见于材料科学、物理化学与热力学中。(在不同学科里也可指更广义的“相位/状态分布图”。)

发音 Pronunciation (IPA)

/fez darm/

例句 Examples

A phase diagram shows when a substance is solid, liquid, or gas.
相图展示一种物质在何时为固态、液态或气态。

By reading the binary phase diagram, the engineer predicted which phases would form during cooling and chose a heat-treatment schedule to avoid brittle structures.
通过读取二元相图,工程师预测冷却过程中会形成哪些相,并选择热处理方案以避免产生脆性组织。

词源 Etymology

phase 源自希腊语 phasis(“显现、出现”),引申为事物呈现出的“阶段/状态”;diagram 源自希腊语 diagramma(“图示、标记出来的东西”)。合起来 phase diagram 字面意思就是“把不同相/状态用图画出来”。

相关词 Related Words

文学与经典作品 Literary Works

  • J. Willard Gibbs, On the Equilibrium of Heterogeneous Substances(异相平衡理论奠基,相关图示与相平衡概念与相图密切相关)
  • P. Atkins & J. de Paula, Atkins’ Physical Chemistry(物理化学教材中大量使用 phase diagram)
  • H. B. Callen, Thermodynamics and an Introduction to Thermostatistics(热力学教材常用相图阐释相与稳定性)
  • D. A. Porter & K. E. Easterling, Phase Transformations in Metals and Alloys(金属材料相变与相图的经典教材)
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