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单词 eutecticum
释义

eutecticum

英汉-汉英词典
n. 共晶(体)
词组 | 习惯用语
您要查找的是不是:
  • eutectic adj. 容易溶解的;共熔的 n. 共熔合金
  • educative adj. 教育的,教育上的
  • reticulum n. 网状组织
  • practicum n. 实习科目;实习课
eutecticum 共晶

网络短语:
eutecticum mechanism 共晶化机理
laser eutecticum 激光共晶化
英语例句库
  1. The author introducd the electric equipment design of ore smelting eutecticum engineering of ore sintering plate, stated the problemes and the countermeasures.
    介绍了矿冶共晶工程烧结车间的电气设计,并阐述了设计遇到一些问题以及解决的方法。

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中文百科

共晶系统 Eutectic system

(重定向自Eutecticum)
二种化学混合物的相图(成分分别被标记为 A与B),用来显示共晶组成、共晶温度与共晶点(L 代表液态阶段)
El problema de obtención del eutéctico es básico en la formación del acero: Hierro+Carbono.
Four eutectic structures: A) lamellar B) rod-like C) globular D) acicular.
Solid-liquid phase change of ethanol water mixtures

共晶系统英语:eutectic system),冶金学名词,是指两个不同化学物质或元素,在混合后,能够在比各自熔点还要低的温度下,进行加热熔合,形成均匀的混合物(mixture)。用来形成共晶系统的混合物被称为共晶混合物(eutectic mixture),形成的化合物被称为共晶组成(eutectic composition,或共熔组成)或是共熔銲锡(Eutectic Solder),而这个熔合温度则称为共晶温度(eutectic temperature)。

在相图上,共晶温度与共晶组成,两者的交界,形成了共晶点(eutectic point)。但不是所有的二元合金都拥有共晶点,例如,银-金混合系统,它的熔化温度(liquidus)与凝固温度(Solidus),比起纯银跟纯金都还要高。

英语百科

Eutectic system 共晶系统

(重定向自Eutecticum)
A phase diagram for a fictitious binary chemical mixture (with the two components denoted by A and B) used to depict the eutectic composition, temperature, and point. (L denotes the liquid state.)
Four eutectic structures: A) lamellar B) rod-like C) globular D) acicular.
Solid-liquid phase change of ethanol water mixtures
Iron-carbon phase diagram, showing the eutectoid transformation between austenite (γ) and pearlite.

A eutectic system (US dict: yü-'tek-tik) from the Greek "ευ" (eu = easy) and "Τήξις" (teksis = melting) describes a homogeneous solid mix of atomic and/or chemical species, to form a joint super-lattice, by striking a unique atomic percentage ratio between the components — as each pure component has its own distinct bulk lattice arrangement. It is only in this atomic/molecular ratio that the eutectic system melts as a whole, at a specific temperature (the eutectic temperature) the super-lattice releasing at once all its components into a liquid mixture. The eutectic temperature is the lowest possible melting temperature over all of the mixing ratios for the involved component species.

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更新时间:2025/6/22 20:56:45