intercrystalline rupture

简明释义

晶间断裂

英英释义

例句

1.The metallurgist noted that intercrystalline rupture often occurs in poorly heat-treated alloys.

冶金学家指出，晶间断裂通常发生在热处理不当的合金中。

2.The analysis revealed that the failure was due to intercrystalline rupture, which indicates a weakness between the grains.

分析显示，故障是由于晶间断裂引起的，这表明晶粒之间存在弱点。

3.In high-temperature environments, intercrystalline rupture can significantly affect the integrity of materials.

在高温环境中，晶间断裂会显著影响材料的完整性。

4.The research focused on the mechanisms behind intercrystalline rupture in ceramic materials.

研究集中在陶瓷材料中晶间断裂的机制上。

5.To prevent intercrystalline rupture, proper alloying elements must be chosen during the manufacturing process.

为了防止晶间断裂，在制造过程中必须选择适当的合金元素。

作文

The study of materials science often involves understanding the various types of failures that can occur within materials. One such failure mechanism is known as intercrystalline rupture, which refers to the fracture that occurs along the grain boundaries of a crystalline material. This type of rupture is significant because it can greatly influence the mechanical properties and overall performance of materials used in engineering applications. When we talk about intercrystalline rupture (晶间断裂), we are essentially discussing how the integrity of a material can be compromised at the microscopic level, leading to catastrophic failure in macroscopic structures.To grasp the concept of intercrystalline rupture, it is essential to first understand what crystalline materials are. Crystalline materials have a well-ordered structure, where atoms are arranged in a repeating pattern. This orderly arrangement contributes to their strength and durability. However, when stress is applied to such materials, it is not just the atomic bonds that are tested; the boundaries between individual grains, or crystals, also play a crucial role in determining how the material behaves under load.The phenomenon of intercrystalline rupture occurs when the bonds at these grain boundaries weaken due to factors such as impurities, environmental conditions, or inherent defects within the material. For example, in metals, if there are non-metallic inclusions or if the material has been exposed to corrosive environments, the grain boundaries can become susceptible to cracking. This is particularly concerning in structural applications where the reliability of the material is paramount.In engineering practice, understanding intercrystalline rupture is vital for predicting material behavior under various conditions. Engineers often conduct tests to evaluate the toughness of materials, which includes assessing their resistance to this type of rupture. By doing so, they can make informed decisions about material selection and design, ensuring that structures can withstand expected loads without failing.Moreover, advancements in technology have allowed researchers to develop methods to enhance the resistance of materials to intercrystalline rupture. This includes techniques such as alloying, heat treatment, and the application of coatings to protect grain boundaries from environmental attack. These approaches help in improving the overall performance and longevity of materials used in critical applications such as aerospace, automotive, and civil engineering.In summary, intercrystalline rupture (晶间断裂) is a crucial concept in materials science that highlights the importance of grain boundaries in determining the mechanical properties of crystalline materials. Understanding this failure mechanism allows engineers and scientists to develop better materials and designs that can withstand the rigors of their intended applications. As we continue to explore new materials and technologies, the knowledge of how intercrystalline rupture affects material performance will remain an essential aspect of ensuring safety and reliability in engineering practices.

材料科学的研究通常涉及理解材料中可能发生的各种失效机制。其中一种失效机制被称为晶间断裂，指的是在晶体材料的晶界上发生的断裂。这种类型的断裂非常重要，因为它可以极大地影响工程应用中材料的机械性能和整体表现。当我们谈论晶间断裂时，我们实际上是在讨论材料在微观层面上完整性如何受到损害，从而导致宏观结构的灾难性失效。要掌握晶间断裂的概念，首先需要了解什么是晶体材料。晶体材料具有良好的有序结构，原子以重复的模式排列。这种有序的排列有助于其强度和耐久性。然而，当对这些材料施加应力时，不仅原子键会受到考验；单个晶粒或晶体之间的边界也在决定材料在负载下的行为方面发挥着至关重要的作用。晶间断裂的现象发生在这些晶界的键因杂质、环境条件或材料内在缺陷而减弱。例如，在金属中，如果存在非金属夹杂物，或者材料暴露在腐蚀性环境中，晶界可能会变得容易开裂。这在结构应用中尤其令人担忧，因为材料的可靠性至关重要。在工程实践中，理解晶间断裂对于预测材料在各种条件下的行为至关重要。工程师通常进行测试以评估材料的韧性，这包括评估其对这种类型断裂的抵抗能力。通过这样做，他们可以就材料选择和设计做出明智的决策，确保结构能够承受预期的负载而不发生失效。此外，技术的进步使研究人员能够开发出增强材料对晶间断裂抵抗力的方法。这包括合金化、热处理和应用涂层以保护晶界免受环境侵袭等技术。这些方法有助于提高在航空航天、汽车和土木工程等关键应用中使用的材料的整体性能和寿命。总之，晶间断裂是材料科学中的一个关键概念，突显了晶界在决定晶体材料机械性能方面的重要性。理解这一失效机制使工程师和科学家能够开发更好的材料和设计，能够承受其预期应用的严酷考验。随着我们继续探索新材料和新技术，了解晶间断裂如何影响材料性能将仍然是确保工程实践安全和可靠的重要方面。