peritectic

简明释义

英[ˌperɪˈtektɪk]美[ˌperəˈtektɪk]

n. （化）包晶反应发生的温度；包晶反应的混合物

adj. （化）包晶的

英英释义

单词用法

同义词

反义词

例句

1.When several compounds are formed, there is the possibility of more than one peritectic point .

当生成数种化合物时，就可能有一个以上的转熔点。

2.Future research directions and potential applications of undercooled peritectic alloys' solidification are also explored.

合金凝固今后的研究方向和应用前景。

3.In this paper, the internal transverse cracks of continuous casting slabs of a niobium bearing peritectic grade of steel are investigated using electron probe microanalyser and optical microscope.

连铸坯厚度中心存在的内裂纹在后续的轧制过程中轧不合而对产品的质量带来重大的影响。

4.The possibility of transverse corner cracking in slab of peritectic carbon steel is greater than that of other carbon steels.

介绍了影响包晶碳钢角横裂的连铸工艺操作和设备。

5.It was shown by the measured activities and calculating models that there isn t any effect of common ions in molten salts involving solid solution, compound as well as peritectic.

从实测活度和计算模型证明含固熔体、含化合物和含包晶体的熔盐中没有共同离子的任何作用。

6.The Equiaxed non-dendrites are considered to form through a peritectic reaction mechanism.

等轴非枝晶的形成机制被认为是“包晶反应机制”。

7.The crack sensitivity of hypo-peritectic steel, its formation mechanism and factors are discussed, and on the analysis, the reasons and factors on longitudinal surface crack are found out.

本文从亚包晶钢的裂纹敏感性，表面纵裂形成及影响因素等方面进行讨论，初步阐述了亚包晶钢圆坯表面纵裂形成原因及各种因素对表面纵裂的影响。

8.The peritectic reaction occurs in the icosahedral quasicrystal formation.

准晶相由包晶反应生成。

9.In this paper, the internal transverse cracks of continuous casting slabs of a niobium bearing peritectic grade of steel are investigated using electron probe microanalyser and optical microscope.

连铸坯厚度中心存在的内裂纹在后续的轧制过程中轧不合而对产品的质量带来重大的影响。

10.Recently, many aspects of peritectic solidification have been investigated including nucleation and growth, banded structure, coupled growth and phase selection.

包晶凝固是十分重要的相变过程，许多结构和功能材料的制备都涉及到包晶反应。

11.In this experiment, we observed the peritectic 共晶相 formation in the steel alloy.

在这个实验中，我们观察到了钢合金中的peritectic 共晶相形成。

12.During the cooling process, the alloy reached the peritectic 共晶相 transformation temperature.

在冷却过程中，合金达到了peritectic 共晶相转变温度。

13.The peritectic 共晶相 reaction can affect the mechanical properties of the material.

peritectic 共晶相反应会影响材料的机械性能。

14.The phase diagram shows a clear peritectic 共晶相 point at which the solid and liquid phases coexist.

相图显示了一个清晰的peritectic 共晶相点，在这个点上固体和液体相共存。

15.Understanding the peritectic 共晶相 reactions is crucial for metallurgical engineering.

理解peritectic 共晶相反应对冶金工程至关重要。

作文

The study of phase transitions in materials science is crucial for understanding the behavior of alloys and other compounds. One important concept in this field is the term peritectic, which refers to a specific type of phase transformation that occurs during the cooling or heating of certain mixtures. In a peritectic reaction, a solid phase and a liquid phase coexist at a certain temperature and composition, leading to the formation of a new solid phase upon cooling. This phenomenon is particularly significant in metallurgical processes where the properties of materials are heavily influenced by their thermal histories.To illustrate the importance of peritectic reactions, consider the example of steel production. Steel is an alloy primarily made up of iron and carbon, and its properties can vary significantly based on the proportions of these elements and the heat treatment it undergoes. During the cooling of molten steel, a peritectic transformation can occur when the temperature drops below a critical point. At this stage, the existing solid phase (ferrite) and the liquid phase interact to form a new solid phase known as austenite. Understanding this transformation is essential for metallurgists who aim to optimize the strength, ductility, and toughness of steel products.Furthermore, the peritectic reaction is not limited to iron-carbon systems. It can also be observed in various other alloy systems, such as nickel-aluminum and copper-zinc. Each of these systems exhibits unique peritectic points, which are determined by the specific compositions and temperatures at which the transformations occur. By studying these reactions, scientists can develop new alloys with tailored properties for specific applications, ranging from aerospace components to everyday household items.In addition to its practical implications, the concept of peritectic transformations also has theoretical significance. It provides insights into the thermodynamic principles governing phase equilibria and the behavior of materials under varying conditions. For example, the Gibbs phase rule can be applied to predict the number of phases present at equilibrium for a given system. The understanding of peritectic reactions thus enhances our comprehension of material stability and the factors that influence phase changes.Moreover, advancements in computational materials science have allowed researchers to simulate peritectic transformations, providing valuable data that can inform experimental approaches. By utilizing techniques such as molecular dynamics and phase field modeling, scientists can visualize the intricate processes involved in these reactions and make predictions about the resulting microstructures. This intersection of theory and simulation has the potential to revolutionize the way we design and manufacture new materials.In conclusion, the term peritectic represents a fundamental concept in materials science that encompasses both practical and theoretical dimensions. Its relevance spans various alloy systems and has significant implications for industries reliant on advanced materials. As research continues to evolve, the understanding of peritectic transformations will undoubtedly play a pivotal role in the development of innovative materials that meet the demands of modern technology. By grasping the intricacies of this phenomenon, we can unlock new possibilities in material design and application, ultimately enhancing the performance and longevity of a wide range of products.

在材料科学中，研究相变对于理解合金和其他化合物的行为至关重要。一个重要的概念是“peritectic”一词，它指的是在某些混合物的冷却或加热过程中发生的一种特定类型的相变。在peritectic反应中，固相和液相在特定的温度和成分下共存，导致在冷却时形成一种新的固相。这种现象在冶金过程中尤为重要，因为材料的性质受到其热历史的重大影响。为了说明peritectic反应的重要性，考虑钢铁生产的例子。钢是一种主要由铁和碳组成的合金，其性质可以根据这些元素的比例和所经历的热处理而显著变化。在熔融钢的冷却过程中，当温度降到临界点以下时，可能会发生peritectic转变。在这个阶段，现有的固相（铁素体）和液相相互作用，形成一种称为奥氏体的新固相。了解这种转变对于希望优化钢产品强度、延展性和韧性的冶金学家至关重要。此外，peritectic反应并不限于铁-碳系统。它还可以在其他各种合金系统中观察到，例如镍-铝和铜-锌。这些系统每个都有独特的peritectic点，这些点由特定的成分和转变发生的温度决定。通过研究这些反应，科学家可以开发出具有特定应用需求的新合金，从航空航天组件到日常家居用品。除了实际意义外，peritectic转变的概念在理论上也具有重要意义。它提供了对相平衡和材料在不同条件下行为的热力学原理的深入理解。例如，可以应用吉布斯相律来预测给定系统在平衡状态下存在的相数。因此，对peritectic反应的理解增强了我们对材料稳定性及影响相变的因素的认识。此外，计算材料科学的进步使研究人员能够模拟peritectic转变，从而提供有价值的数据以指导实验方法。通过利用分子动力学和相场建模等技术，科学家可以可视化这些反应中涉及的复杂过程，并对结果微观结构做出预测。这种理论与模拟的交叉有可能彻底改变我们设计和制造新材料的方式。总之，peritectic一词代表了材料科学中的一个基本概念，涵盖了实践和理论的多个维度。它的相关性跨越了各种合金系统，并对依赖先进材料的行业具有重要影响。随着研究的不断发展，对peritectic转变的理解无疑将在创新材料的发展中发挥关键作用，以满足现代技术的需求。通过掌握这一现象的复杂性，我们可以解锁材料设计和应用的新可能性，最终提升广泛产品的性能和耐用性。