rupture stress
简明释义
破裂应力
英英释义
Rupture stress refers to the maximum stress that a material can withstand before it fails or breaks apart. | 破裂应力是指材料在失效或断裂之前能够承受的最大应力。 |
例句
1.The rupture stress of this alloy is much higher than that of steel.
这种合金的断裂应力远高于钢材。
2.Engineers must calculate the rupture stress to ensure safety in design.
工程师必须计算断裂应力以确保设计的安全性。
3.Testing for rupture stress helps determine the lifespan of materials.
测试断裂应力有助于确定材料的使用寿命。
4.In pressure vessels, rupture stress is a critical factor to consider.
在压力容器中,断裂应力是一个关键因素。
5.The material failed due to excessive rupture stress.
由于过大的断裂应力,材料失效。
作文
Rupture stress is a critical concept in the field of materials science and engineering. It refers to the maximum stress that a material can withstand before it fails or breaks apart. Understanding rupture stress is essential for engineers and designers who work with various materials, as it helps them to predict how those materials will behave under different loading conditions. For instance, when designing a bridge, engineers must consider the rupture stress of the steel they are using to ensure that it can support the weight of vehicles and withstand environmental forces without failing.The concept of rupture stress is closely related to other mechanical properties of materials, such as tensile strength and yield strength. Tensile strength is the maximum amount of tensile (pulling) stress that a material can take before breaking, while yield strength is the point at which a material begins to deform permanently. The rupture stress represents the ultimate limit, beyond which the material cannot recover its original shape and will fracture. This understanding is crucial in applications where safety is paramount, such as in aerospace engineering or the construction of high-rise buildings.In practical terms, determining the rupture stress of a material often involves conducting various tests, such as tensile tests, where a sample of the material is subjected to increasing amounts of stress until it ultimately fails. The results of these tests allow engineers to create models and simulations that predict how materials will perform under real-world conditions. By knowing the rupture stress, engineers can design components that are not only safe but also cost-effective, minimizing the use of materials while maximizing performance.Moreover, the rupture stress can vary significantly between different materials. For example, metals typically exhibit high rupture stress values, making them suitable for structural applications, whereas polymers may have lower rupture stress values, limiting their use in load-bearing applications. This variability necessitates careful selection of materials based on the specific requirements of each project.In addition to material selection, the environmental conditions in which a material operates can also affect its rupture stress. Factors such as temperature, humidity, and exposure to chemicals can weaken a material over time, leading to premature failure. Therefore, it is vital for engineers to consider these factors during the design process to ensure longevity and reliability of the structures they create.In conclusion, the concept of rupture stress is fundamental in ensuring the integrity and safety of materials used in engineering applications. By understanding the limits of materials and how they react under stress, engineers can make informed decisions that lead to safer, more efficient designs. As technology advances and new materials are developed, the study of rupture stress will continue to play a vital role in the evolution of engineering practices, ensuring that we build structures that can withstand the test of time and nature.
断裂应力是材料科学和工程领域的一个关键概念。它指的是材料在失败或断裂之前能够承受的最大应力。理解断裂应力对从事各种材料工作的工程师和设计师至关重要,因为它帮助他们预测这些材料在不同负载条件下的表现。例如,在设计桥梁时,工程师必须考虑所使用钢材的断裂应力,以确保它能够支撑车辆的重量并承受环境力量而不发生故障。断裂应力的概念与材料的其他机械性能密切相关,例如抗拉强度和屈服强度。抗拉强度是材料在断裂前能够承受的最大拉应力,而屈服强度是材料开始永久变形的点。断裂应力代表了终极极限,超出这一极限,材料无法恢复其原始形状并将断裂。这种理解在安全至关重要的应用中尤为重要,例如航空航天工程或高层建筑的建设。在实际操作中,确定材料的断裂应力通常涉及进行各种测试,例如拉伸测试,其中材料样本在施加逐渐增加的应力直至最终破裂。测试结果使工程师能够创建模型和模拟,预测材料在现实条件下的表现。通过了解断裂应力,工程师可以设计出不仅安全而且具有成本效益的组件,最小化材料的使用,同时最大化性能。此外,不同材料之间的断裂应力值可能会有显著差异。例如,金属通常表现出较高的断裂应力值,使其适合用于结构应用,而聚合物的断裂应力值较低,限制了其在承重应用中的使用。这种变异性要求根据每个项目的具体要求仔细选择材料。除了材料选择之外,材料所处的环境条件也会影响其断裂应力。温度、湿度和化学物质的暴露等因素可能会随着时间的推移削弱材料,导致过早失效。因此,工程师在设计过程中考虑这些因素至关重要,以确保他们创建的结构的耐久性和可靠性。总之,断裂应力的概念在确保工程应用中使用的材料的完整性和安全性方面是基础性的。通过理解材料的极限及其在应力下的反应,工程师可以做出明智的决策,从而导致更安全、更高效的设计。随着技术的进步和新材料的发展,断裂应力的研究将继续在工程实践的演变中发挥重要作用,确保我们建造的结构能够经受住时间和自然的考验。
相关单词