recalescence

简明释义

英[ˌriːkəˈlesəns]美[ˌrikəˈlesəns]

n. 复辉

英英释义

单词用法

同义词

反义词

例句

1.These principles in elude heat transfer and recalescence, thermodynamics of metastable and non-equilibrium solidification, growth kinetics and solute redistribution.

这些原则包括：传热及温度回升，亚稳及非平衡凝固热力学，生长动力学及溶质分布。

2.These principles in elude heat transfer and recalescence, thermodynamics of metastable and non-equilibrium solidification, growth kinetics and solute redistribution.

这些原则包括：传热及温度回升，亚稳及非平衡凝固热力学，生长动力学及溶质分布。

3.The simulated results show that using the method can not only reveal dendrite morphology and micro-segregation but also represent the recalescence phenomenon.

模拟结果显示这种方法可以显示出枝晶形貌和显微偏析，同时可以再现凝固过程中的再辉现象。

4.The phenomenon of recalescence occurs when a material cools down and then experiences a sudden increase in temperature as it undergoes phase transformation.

当材料冷却后经历相变而突然温度上升的现象称为再热。

5.In metallurgy, understanding recalescence is crucial for controlling the properties of steel during the cooling process.

在冶金学中，理解再热对于控制钢材在冷却过程中的性质至关重要。

6.The recalescence observed in certain alloys can lead to unexpected changes in their mechanical properties.

某些合金中观察到的再热可能导致其机械性能发生意外变化。

7.During the cooling of molten metal, recalescence can indicate the onset of solidification.

在熔融金属冷却过程中，再热可能表明固化的开始。

8.Researchers study recalescence to improve the manufacturing processes of high-performance materials.

研究人员研究再热以改善高性能材料的制造工艺。

作文

In the world of materials science, the term recalescence refers to a phenomenon observed during the cooling and solidification of metals. When a metal is heated to a certain temperature, it becomes liquid and then begins to cool. During this cooling process, the metal may reach a point where it starts to solidify. However, upon reaching a specific temperature known as the 'recalescence temperature', the metal can temporarily reheat before fully solidifying. This intriguing behavior is essential for understanding how different metals behave under varying temperatures and can have significant implications in industrial applications. To illustrate the concept of recalescence, consider the process of forging a steel tool. The blacksmith heats the steel until it is red hot and malleable. As the steel cools, it begins to harden. However, if the temperature drops too quickly, the steel may not form the desired crystalline structure. Instead, it might undergo a phase where it briefly warms up again due to the release of latent heat during the crystallization process. This temporary increase in temperature is what we refer to as recalescence. Understanding this process allows blacksmiths and metallurgists to manipulate the cooling rates to achieve optimal hardness and durability in the final product. The significance of recalescence extends beyond just the forging of tools. In the field of metallurgy, it plays a crucial role in the production of various alloys. Different alloys exhibit unique recalescence behaviors, which can affect their mechanical properties. For example, some alloys may require precise temperature control to ensure that they do not experience unwanted phase changes during the cooling process. By studying recalescence, scientists can develop better materials that meet the demands of modern engineering applications. Moreover, the concept of recalescence is not limited to metals alone. It can also be observed in other materials, such as certain polymers and ceramics. For instance, when cooling a polymer from its molten state, there may be a point where it momentarily reheats as it transitions from a liquid to a solid state. This insight into recalescence in polymers can help manufacturers optimize processing conditions to enhance the performance of plastic products. In conclusion, recalescence is a fascinating phenomenon that highlights the complexities of material behavior during phase transitions. Whether in the context of metallurgy or other materials, understanding recalescence can lead to advancements in manufacturing processes and the development of superior materials. As industries continue to evolve, the study of recalescence will remain an integral part of materials science, driving innovation and efficiency in various applications.

在材料科学的世界中，术语recalescence指的是在金属冷却和固化过程中观察到的一种现象。当金属被加热到某一温度时，它会变为液态，然后开始冷却。在这个冷却过程中，金属可能会达到一个开始固化的点。然而，在达到一个特定的温度，即“再热温度”时，金属可以在完全固化之前暂时重新加热。这种引人入胜的行为对于理解不同金属在不同温度下的表现至关重要，并且在工业应用中可能具有重大影响。 为了说明recalescence的概念，可以考虑锻造钢工具的过程。铁匠将钢加热到红热且可塑的状态。当钢冷却时，它开始硬化。然而，如果温度下降得太快，钢可能无法形成所需的晶体结构。相反，它可能经历一个阶段，在此阶段由于结晶过程中的潜热释放而短暂升温。这个温度的暂时升高就是我们所称的recalescence。理解这个过程使得铁匠和冶金学家能够操控冷却速度，以实现最终产品的最佳硬度和耐用性。 recalescence的重要性不仅限于工具的锻造。在冶金领域，它在各种合金的生产中发挥着关键作用。不同的合金表现出独特的recalescence行为，这可能会影响它们的机械性能。例如，一些合金可能需要精确的温度控制，以确保在冷却过程中不会经历不必要的相变。通过研究recalescence，科学家可以开发出更好的材料，以满足现代工程应用的需求。 此外，recalescence的概念并不限于金属。它也可以在其他材料中观察到，例如某些聚合物和陶瓷。例如，当从熔融状态冷却聚合物时，可能会有一个点，在该点上它在从液体转变为固体状态时短暂重新加热。对聚合物中recalescence的洞察可以帮助制造商优化加工条件，以增强塑料产品的性能。 总之，recalescence是一个迷人的现象，突显了材料在相变过程中的复杂性。无论是在冶金学还是其他材料的背景下，理解recalescence都可以推动制造工艺的进步和优越材料的发展。随着各行业的不断发展，recalescence的研究将继续成为材料科学的重要组成部分，推动各类应用的创新与效率。