fracture toughness

简明释义

断裂韧性

英英释义

例句

1.The fracture toughness of concrete can be enhanced by adding certain fibers during mixing.

通过在混合过程中添加某些纤维，可以增强混凝土的断裂韧性。

2.The engineer tested the material for its fracture toughness to ensure it could withstand high stress conditions.

工程师测试了材料的断裂韧性以确保其能够承受高应力条件。

3.In aerospace applications, materials with excellent fracture toughness are crucial for safety.

在航空航天应用中，具有优良断裂韧性的材料对安全至关重要。

4.A higher fracture toughness indicates a material's ability to resist crack propagation.

更高的断裂韧性表明材料抵抗裂纹扩展的能力。

5.Researchers are developing new alloys that exhibit improved fracture toughness at elevated temperatures.

研究人员正在开发在高温下表现出改善的断裂韧性的新合金。

作文

Fracture toughness is a critical property of materials that indicates their ability to resist the propagation of cracks when subjected to stress. It is a measure of how much stress a material can withstand before it fails due to cracking. Understanding fracture toughness (断裂韧性) is essential in various engineering fields, particularly in structural and mechanical engineering, where the integrity of materials under load is of utmost importance.Materials with high fracture toughness (断裂韧性) are less likely to fail catastrophically when they develop cracks. This property is especially crucial in applications where safety is paramount, such as in the aerospace, automotive, and civil engineering industries. For instance, the wings of an aircraft must be made from materials that can endure significant stress without failing. Engineers often conduct tests to measure the fracture toughness (断裂韧性) of materials to ensure they meet the required safety standards.The concept of fracture toughness (断裂韧性) is often quantified using specific metrics, such as the critical stress intensity factor (K_IC). This factor represents the stress level at which a crack will begin to grow in a material. A higher K_IC value indicates a material's greater resistance to fracture. By comparing the fracture toughness (断裂韧性) of different materials, engineers can select the most suitable one for a given application.In addition to its significance in material selection, fracture toughness (断裂韧性) also plays a vital role in predicting the lifespan of structures and components. For example, regular monitoring and assessment of the fracture toughness (断裂韧性) of bridges and buildings can help identify potential weaknesses before they lead to failure. This proactive approach can save lives and reduce repair costs by addressing issues early on.Moreover, advancements in material science have led to the development of new alloys and composites that exhibit enhanced fracture toughness (断裂韧性). Researchers are continuously exploring ways to improve the fracture toughness (断裂韧性) of existing materials, making them more reliable and durable. This ongoing research is crucial as industries seek to create lighter, stronger, and more efficient materials that can withstand the rigors of modern applications.In conclusion, understanding fracture toughness (断裂韧性) is essential for engineers and designers who work with materials in various industries. It not only helps in selecting the right materials for specific applications but also plays a crucial role in ensuring the safety and longevity of structures. As technology advances, the importance of fracture toughness (断裂韧性) will continue to grow, driving innovations in material science and engineering practices. By prioritizing fracture toughness (断裂韧性), we can build a safer and more resilient future for all.

断裂韧性是材料的一项关键特性，表明其在施加应力时抵抗裂纹扩展的能力。它是衡量材料在因裂纹而失败之前能够承受多少应力的指标。理解断裂韧性（fracture toughness）在各个工程领域中至关重要，特别是在结构和机械工程中，材料在负载下的完整性至关重要。具有高断裂韧性（fracture toughness）的材料在出现裂纹时不太可能发生灾难性失效。这一特性在安全至关重要的应用中尤其重要，例如航空航天、汽车和土木工程行业。例如，飞机的机翼必须由能够承受显著应力而不会失效的材料制成。工程师通常会进行测试，以测量材料的断裂韧性（fracture toughness），以确保其符合所需的安全标准。断裂韧性（fracture toughness）的概念通常使用特定的指标量化，例如临界应力强度因子（K_IC）。该因子表示材料中裂纹开始生长时的应力水平。较高的K_IC值表明材料对断裂的更大抵抗力。通过比较不同材料的断裂韧性（fracture toughness），工程师可以选择最适合特定应用的材料。除了在材料选择中的重要性外，断裂韧性（fracture toughness）在预测结构和组件的使用寿命方面也起着至关重要的作用。例如，定期监测和评估桥梁和建筑物的断裂韧性（fracture toughness）可以帮助在导致失效之前识别潜在的弱点。这种主动的方法可以挽救生命并减少维修成本，通过及早解决问题。此外，材料科学的进步导致新合金和复合材料的发展，这些材料表现出增强的断裂韧性（fracture toughness）。研究人员不断探索提高现有材料的断裂韧性（fracture toughness）的方法，使其更加可靠和耐用。这项持续的研究至关重要，因为各个行业寻求创造更轻、更强和更高效的材料，以承受现代应用的严格要求。总之，理解断裂韧性（fracture toughness）对于从事各种行业的工程师和设计师至关重要。它不仅有助于为特定应用选择合适的材料，而且在确保结构的安全性和耐久性方面也发挥着关键作用。随着技术的进步，断裂韧性（fracture toughness）的重要性将继续增长，推动材料科学和工程实践的创新。通过优先考虑断裂韧性（fracture toughness），我们可以为所有人构建一个更安全和更具韧性的未来。