intercrystalline fracture

简明释义

晶界破裂

英英释义

Intercrystalline fracture refers to a type of fracture that occurs along the boundaries between crystals in a material, typically seen in crystalline solids where the bonds between adjacent crystals are weaker than those within the crystals themselves.

晶间断裂是指发生在材料中晶体之间边界处的一种断裂类型,通常在晶体固体中观察到,其中相邻晶体之间的键比晶体内部的键更弱。

例句

1.Engineers must consider intercrystalline fractures when designing components that will endure high stress.

工程师在设计承受高压力的部件时必须考虑晶间断裂

2.During the analysis, we discovered that the intercrystalline fracture was responsible for the material's reduced strength.

在分析过程中,我们发现晶间断裂是材料强度降低的原因。

3.The geologist noted an intercrystalline fracture in the rock sample, indicating a weak point in its structure.

地质学家注意到岩石样本中有一个晶间断裂,这表明其结构中存在一个薄弱点。

4.The research focused on how intercrystalline fractures form in metals during the cooling process.

研究集中在金属在冷却过程中如何形成晶间断裂

5.The presence of an intercrystalline fracture can significantly affect the durability of the ceramic product.

存在晶间断裂会显著影响陶瓷产品的耐用性。

作文

In the field of materials science, understanding the various types of fractures that can occur in materials is crucial for predicting their behavior and performance. One such type of fracture is known as intercrystalline fracture, which refers to the separation of grains along the boundaries that separate them. This phenomenon typically occurs in crystalline materials, where the structure is made up of distinct crystals or grains. When stress is applied to a material, it may lead to failure at these grain boundaries rather than within the grains themselves, resulting in what we call intercrystalline fracture (晶粒间断裂). The significance of intercrystalline fracture lies in its implications for the durability and reliability of materials used in various applications. For instance, metals and ceramics can exhibit this type of fracture when they are subjected to high temperatures or corrosive environments. Understanding how and why intercrystalline fracture occurs allows engineers and scientists to develop better materials that can withstand such conditions. One common example of intercrystalline fracture can be seen in certain alloys, where the addition of specific elements can weaken the grain boundaries. This weakening can lead to premature failure of the material, especially under cyclic loading conditions. Engineers must therefore consider the composition and processing methods of materials to minimize the risk of intercrystalline fracture. Another important aspect to consider is the role of microstructure in influencing the occurrence of intercrystalline fracture. The arrangement of grains, their size, and the nature of the grain boundaries all play a critical role in determining how a material will behave under stress. Advanced techniques such as scanning electron microscopy (SEM) can be employed to study these microstructural features and their relation to fracture mechanisms. By analyzing the patterns of intercrystalline fracture, researchers can gain insights into the failure modes of materials and improve their designs accordingly. Furthermore, the study of intercrystalline fracture extends beyond just theoretical understanding; it has practical applications in industries such as aerospace, automotive, and electronics. In these fields, the integrity of materials is paramount, and any failure could lead to catastrophic consequences. Therefore, ensuring that materials are resistant to intercrystalline fracture is essential for safety and performance. In conclusion, intercrystalline fracture is a vital concept in materials science that highlights the importance of grain boundaries in the mechanical properties of crystalline materials. By studying this type of fracture, we can enhance our understanding of material behavior and develop stronger, more reliable materials for a wide range of applications. As technology continues to advance, the ability to predict and prevent intercrystalline fracture will play a key role in the future of engineering and materials development.

在材料科学领域,理解材料中可能发生的各种类型的断裂对于预测其行为和性能至关重要。其中一种断裂类型被称为晶粒间断裂,指的是沿着分隔晶粒的边界分离。这种现象通常发生在晶体材料中,其结构由不同的晶体或晶粒组成。当对材料施加应力时,它可能导致在这些晶界处而不是在晶粒内部发生失效,从而导致我们所称的晶粒间断裂intercrystalline fracture)。晶粒间断裂的重要性在于它对各种应用中材料的耐用性和可靠性的影响。例如,金属和陶瓷在高温或腐蚀环境下可能会表现出这种类型的断裂。理解晶粒间断裂发生的原因和方式使工程师和科学家能够开发出更好的材料,以承受这些条件。一个常见的晶粒间断裂示例可以在某些合金中看到,其中添加特定元素可能会削弱晶界。这种削弱可能导致材料在循环加载条件下的过早失效。因此,工程师必须考虑材料的成分和加工方法,以最小化晶粒间断裂的风险。另一个重要方面是微观结构在影响晶粒间断裂发生中的作用。晶粒的排列、大小以及晶界的性质都在决定材料在应力下的行为中起着关键作用。可以采用扫描电子显微镜(SEM)等先进技术来研究这些微观结构特征及其与断裂机制的关系。通过分析晶粒间断裂的模式,研究人员可以深入了解材料的失效模式,并相应改进其设计。此外,晶粒间断裂的研究不仅限于理论理解;它在航空航天、汽车和电子等行业中具有实际应用。在这些领域,材料的完整性至关重要,任何失效都可能导致灾难性后果。因此,确保材料对晶粒间断裂具有抵抗力对于安全和性能至关重要。总之,晶粒间断裂是材料科学中的一个重要概念,突显了晶界在晶体材料机械性能中的重要性。通过研究这种类型的断裂,我们可以增强对材料行为的理解,并为各种应用开发更强大、更可靠的材料。随着技术的不断进步,预测和防止晶粒间断裂的能力将在未来的工程和材料开发中发挥关键作用。

相关单词

fracture

fracture详解:怎么读、什么意思、用法