recrystallization centre

简明释义

再结晶中心

英英释义

例句

1.The scientist observed the formation of a new phase at the recrystallization centre during the experiment.

科学家在实验中观察到在再结晶中心形成了一个新相。

2.Researchers are studying the recrystallization centre to enhance the efficiency of solar cell materials.

研究人员正在研究再结晶中心以提高太阳能电池材料的效率。

3.The temperature at which the recrystallization centre forms is critical for the quality of the final product.

形成再结晶中心的温度对最终产品的质量至关重要。

4.In metallurgy, the recrystallization centre plays a crucial role in improving the mechanical properties of metals.

在冶金学中，再结晶中心在改善金属的机械性能方面起着至关重要的作用。

5.During the cooling process, the recrystallization centre can significantly influence crystal growth.

在冷却过程中，再结晶中心可以显著影响晶体的生长。

作文

In the study of materials science, the term recrystallization centre refers to a specific site within a crystalline structure where new crystals begin to form during the recrystallization process. This phenomenon occurs when a material is subjected to changes in temperature or pressure, leading to the rearrangement of its atomic structure. Understanding the concept of a recrystallization centre is crucial for scientists and engineers who aim to manipulate the properties of materials for various applications, such as improving their strength, ductility, or resistance to wear. Recrystallization is often employed in metallurgy, particularly in the processing of metals. When metals are deformed through processes like rolling or forging, their internal structure becomes distorted, resulting in increased dislocation density. This can lead to a decrease in mechanical properties. By heating the deformed metal, recrystallization can occur, allowing new grains to form from the existing distorted structure. The recrystallization centre plays a pivotal role in this process, as it serves as a nucleation point for the growth of these new grains. The formation of a recrystallization centre is influenced by several factors, including temperature, time, and the presence of impurities. Higher temperatures generally promote the formation of new grains, while the duration of exposure to heat allows for more extensive recrystallization. Additionally, the presence of alloying elements can affect the stability and mobility of the grain boundaries, thereby impacting the formation of recrystallization centres. In practical applications, understanding how to control the location and distribution of recrystallization centres can lead to the development of materials with desirable properties. For instance, in the production of high-strength steel, controlling the recrystallization process can result in smaller and more uniform grains, which enhances the overall strength of the material. Similarly, in the field of ceramics, the manipulation of recrystallization centres can improve the toughness and thermal stability of ceramic products.Moreover, the concept of recrystallization centre extends beyond metallurgy into fields such as geology and crystallography. In geology, for example, the study of mineral formation involves understanding how different minerals can develop their own recrystallization centres in response to environmental conditions. Likewise, in crystallography, researchers analyze the growth patterns of crystals and the factors that influence the formation of recrystallization centres, contributing to advancements in material synthesis and design.In conclusion, the recrystallization centre is a fundamental concept in the realm of materials science, playing a critical role in the recrystallization process. By comprehending the mechanisms behind the formation and growth of recrystallization centres, scientists and engineers can tailor material properties to meet specific needs, ultimately leading to innovations across various industries. This knowledge not only enhances our understanding of material behavior but also opens up new avenues for research and development in the quest for advanced materials.

在材料科学研究中，术语再结晶中心指的是晶体结构内的特定位置，在再结晶过程中，新晶体开始形成的地方。这种现象发生在材料受到温度或压力变化时，导致其原子结构重新排列。理解再结晶中心的概念对于那些希望操控材料性质的科学家和工程师至关重要，因为这可以改善材料的强度、延展性或耐磨性等多种应用。再结晶常用于冶金，特别是在金属加工中。当金属通过轧制或锻造等过程变形时，其内部结构会变得扭曲，导致位错密度增加。这可能导致机械性能下降。通过加热变形金属，可以发生再结晶，使现有的扭曲结构形成新的晶粒。再结晶中心在这一过程中起着关键作用，因为它作为新晶粒生长的成核点。再结晶中心的形成受多个因素影响，包括温度、时间和杂质的存在。较高的温度通常促进新晶粒的形成，而暴露于热量的持续时间则允许更广泛的再结晶。此外，合金元素的存在可能会影响晶界的稳定性和移动性，从而影响再结晶中心的形成。在实际应用中，理解如何控制再结晶中心的位置和分布可以导致开发出具有理想性质的材料。例如，在高强度钢的生产中，控制再结晶过程可以导致更小且更均匀的晶粒，从而增强材料的整体强度。同样，在陶瓷领域，操控再结晶中心可以改善陶瓷产品的韧性和热稳定性。此外，再结晶中心的概念不仅限于冶金，还扩展到地质学和晶体学等领域。在地质学中，例如，矿物形成的研究涉及理解不同矿物如何根据环境条件发展自己的再结晶中心。同样，在晶体学中，研究人员分析晶体的生长模式及影响再结晶中心形成的因素，这对材料合成和设计的进步作出了贡献。总之，再结晶中心是材料科学领域的一个基本概念，在再结晶过程中发挥着关键作用。通过理解再结晶中心的形成和生长机制，科学家和工程师可以根据具体需求调整材料性质，最终推动各个行业的创新。这一知识不仅增强了我们对材料行为的理解，还为在寻求先进材料的研究与开发开辟了新的途径。