degree of crystallinity

简明释义

结晶度

英英释义

例句

1.The degree of crystallinity in ceramics affects their mechanical strength and resistance to thermal shock.

陶瓷中的结晶度会影响其机械强度和耐热冲击能力。

2.A higher degree of crystallinity usually results in improved optical clarity in certain types of plastics.

较高的结晶度通常会导致某些类型塑料的光学清晰度提高。

3.The polymer's properties can be significantly influenced by its degree of crystallinity, which refers to the extent of ordered regions within the material.

聚合物的性质可以受到其结晶度的显著影响，指的是材料中有序区域的程度。

4.Researchers measured the degree of crystallinity in the sample to understand its thermal properties better.

研究人员测量了样品的结晶度以更好地理解其热性能。

5.In the study of metals, the degree of crystallinity is crucial for determining their strength and ductility.

在金属研究中，结晶度对于确定其强度和延展性至关重要。

作文

The concept of degree of crystallinity is crucial in the field of materials science and polymer chemistry. It refers to the extent to which a material has a structured, ordered arrangement of its molecular chains. In crystalline materials, molecules are arranged in a highly ordered state, while in amorphous materials, the arrangement is more random. The degree of crystallinity can significantly affect the physical properties of a material, including its mechanical strength, thermal stability, and optical characteristics.For instance, in the production of polymers, the degree of crystallinity plays a vital role in determining the final product's performance. High degree of crystallinity often results in increased tensile strength and rigidity, making the material more suitable for structural applications. Conversely, materials with a low degree of crystallinity tend to be more flexible and impact-resistant, which is desirable for applications such as packaging.Moreover, the degree of crystallinity can be influenced by various factors during the manufacturing process, including temperature, cooling rate, and the presence of additives. For example, rapid cooling of molten polymers can lead to a lower degree of crystallinity, resulting in a more amorphous structure. On the other hand, slow cooling allows for better molecular alignment and a higher degree of crystallinity.Understanding the degree of crystallinity is also essential in fields such as geology and metallurgy. In geology, the crystallinity of minerals can provide insights into their formation conditions and stability. In metallurgy, the degree of crystallinity of metals can influence their hardness and ductility, affecting how they are used in various applications.In conclusion, the degree of crystallinity is a fundamental property that affects the behavior and performance of materials across various industries. By controlling the degree of crystallinity during production, scientists and engineers can tailor materials to meet specific requirements, enhancing their functionality and efficiency. As research continues to advance in this area, the ability to manipulate the degree of crystallinity will undoubtedly lead to new innovations and improvements in material design and application.

“结晶度”这一概念在材料科学和聚合物化学领域至关重要。它指的是材料分子链的结构化、规律性排列的程度。在结晶材料中，分子以高度有序的状态排列，而在无定形材料中，排列则更加随机。“结晶度”可以显著影响材料的物理特性，包括机械强度、热稳定性和光学特性。例如，在聚合物的生产中，“结晶度”在决定最终产品性能方面发挥着重要作用。高“结晶度”通常会导致更高的抗拉强度和刚性，使材料更适合用于结构应用。相反，低“结晶度”的材料往往更加柔韧和抗冲击，这在包装等应用中是非常理想的。此外，“结晶度”还可以受到制造过程中多种因素的影响，包括温度、冷却速率和添加剂的存在。例如，快速冷却熔融聚合物可能导致较低的“结晶度”，从而形成更无定形的结构。另一方面，缓慢冷却则允许更好的分子排列，从而提高“结晶度”。理解“结晶度”在地质学和冶金学等领域也至关重要。在地质学中，矿物的结晶度可以提供有关其形成条件和稳定性的见解。在冶金学中，金属的“结晶度”可以影响其硬度和延展性，从而影响它们在各种应用中的使用。总之，“结晶度”是影响各行业材料行为和性能的基本属性。通过控制生产过程中的“结晶度”，科学家和工程师可以根据具体要求定制材料，提高其功能性和效率。随着这一领域研究的不断进展，操控“结晶度”的能力无疑将导致材料设计和应用的新创新和改进。