crack arrest

简明释义

止裂

英英释义

例句

1.In this project, we will analyze how effective crack arrest 裂纹阻止 is in preventing structural failures.

在这个项目中，我们将分析crack arrest 裂纹阻止在防止结构失效方面的有效性。

2.The engineer recommended a method for crack arrest 裂纹阻止 in the bridge design to enhance its durability.

工程师建议在桥梁设计中采用一种方法来进行crack arrest 裂纹阻止，以增强其耐久性。

3.The research focused on materials that provide better crack arrest 裂纹阻止 properties under stress.

这项研究集中于在压力下提供更好crack arrest 裂纹阻止性能的材料。

4.The construction team applied a special coating to ensure crack arrest 裂纹阻止 in the concrete.

施工团队应用了一种特殊涂层以确保混凝土中的crack arrest 裂纹阻止。

5.Implementing crack arrest 裂纹阻止 techniques can significantly reduce maintenance costs in infrastructure.

实施crack arrest 裂纹阻止技术可以显著降低基础设施的维护成本。

作文

In the field of materials science and engineering, the term crack arrest is crucial for understanding how to prevent the propagation of cracks in various structures. This concept refers to the ability of a material or structure to stop the growth of a crack once it has initiated. The significance of crack arrest lies in its role in enhancing the durability and safety of engineering designs, particularly in critical applications such as aerospace, civil engineering, and manufacturing. When a crack forms in a material, it can lead to catastrophic failure if not managed properly. The mechanisms that contribute to crack arrest can include the material's toughness, the presence of stress concentrators, and the geometric features of the structure itself. For instance, certain materials are designed with specific microstructures that allow them to absorb energy and dissipate stress, thereby halting the crack's progress. The study of crack arrest also involves understanding the factors that influence crack growth rates. These factors can include environmental conditions, loading rates, and the inherent properties of the material. Engineers often use advanced techniques such as finite element analysis and fracture mechanics to predict how cracks will behave under various conditions, which is essential for designing safer structures. One practical application of crack arrest can be seen in the design of pipelines used in the oil and gas industry. These pipelines are subjected to high pressures and corrosive environments, making them susceptible to crack formation. By incorporating materials and designs that promote crack arrest, engineers can significantly reduce the risk of leaks and failures, which could have serious environmental and economic consequences. Furthermore, the principles of crack arrest are not limited to metallic materials. Polymer composites, ceramics, and even concrete can benefit from strategies aimed at preventing crack propagation. For example, researchers are exploring the use of self-healing materials that can automatically repair small cracks before they grow larger, effectively enhancing the crack arrest capabilities of these materials. In conclusion, the concept of crack arrest is vital for ensuring the integrity and longevity of materials and structures in various engineering applications. As technology advances, the methods and materials used to achieve effective crack arrest are becoming more sophisticated, allowing for safer and more reliable designs. Understanding and applying the principles of crack arrest will continue to be a key focus in the fields of materials science and structural engineering, ultimately contributing to the development of more resilient infrastructure and products.

在材料科学和工程领域，术语裂纹阻止对于理解如何防止各种结构中裂纹的扩展至关重要。这个概念指的是材料或结构在裂纹形成后停止裂纹生长的能力。裂纹阻止的重要性在于它在增强工程设计的耐久性和安全性方面的作用，特别是在航空航天、土木工程和制造等关键应用中。当材料中形成裂纹时，如果不加以妥善管理，可能会导致灾难性的失败。促成裂纹阻止的机制可以包括材料的韧性、应力集中器的存在以及结构本身的几何特征。例如，某些材料的设计具有特定的微观结构，使其能够吸收能量并耗散应力，从而阻止裂纹的进展。对裂纹阻止的研究还涉及理解影响裂纹生长速率的因素。这些因素可以包括环境条件、加载速率和材料的固有特性。工程师们通常使用先进的技术，如有限元分析和断裂力学，来预测裂纹在各种条件下的行为，这对于设计更安全的结构至关重要。裂纹阻止的一个实际应用可以在石油和天然气行业的管道设计中看到。这些管道承受高压和腐蚀性环境，使它们容易形成裂纹。通过结合促进裂纹阻止的材料和设计，工程师可以显著降低泄漏和故障的风险，这可能会带来严重的环境和经济后果。此外，裂纹阻止的原理并不仅限于金属材料。聚合物复合材料、陶瓷甚至混凝土都可以从旨在防止裂纹扩展的策略中受益。例如，研究人员正在探索使用自愈材料，这些材料可以自动修复小裂纹，以防它们变得更大，从而有效增强这些材料的裂纹阻止能力。总之，裂纹阻止的概念对于确保各种工程应用中材料和结构的完整性和耐用性至关重要。随着技术的进步，用于实现有效裂纹阻止的方法和材料变得越来越复杂，从而允许更安全和更可靠的设计。理解和应用裂纹阻止的原则将继续成为材料科学和结构工程领域的重点，最终有助于开发更具韧性的基础设施和产品。