stress limit

简明释义

极限应力

英英释义

例句

1.The engineer calculated the maximum load that the bridge could handle before reaching its stress limit (应力极限).

工程师计算了桥梁在达到其应力极限（应力极限）之前能够承受的最大负荷。

2.Understanding the stress limit (应力极限) is essential for preventing structural failures.

理解应力极限（应力极限）对于防止结构故障至关重要。

3.Regular maintenance checks help ensure that machinery does not exceed its stress limit (应力极限).

定期维护检查有助于确保机器不会超过其应力极限（应力极限）。

4.When designing a new aircraft, it's crucial to consider the stress limit (应力极限) of the materials used.

在设计新飞机时，考虑所用材料的应力极限（应力极限）是至关重要的。

5.During the testing phase, the team discovered that the component failed right at its stress limit (应力极限).

在测试阶段，团队发现组件在其应力极限（应力极限）时就发生了故障。

作文

In the realm of engineering and materials science, understanding the concept of stress limit is crucial for ensuring the safety and reliability of structures and components. The stress limit refers to the maximum stress that a material can withstand before it begins to deform permanently or fail. This concept is fundamental in various applications, from designing bridges and buildings to manufacturing everyday products. Engineers must carefully consider the stress limit of materials to prevent catastrophic failures that could lead to loss of life or significant financial costs.When engineers assess materials, they conduct tests to determine their mechanical properties, including tensile strength, compressive strength, and yield strength. Each of these properties helps define the stress limit for that material under specific conditions. For instance, steel has a high stress limit, making it an ideal choice for construction projects where durability and strength are paramount. Conversely, materials like rubber have a much lower stress limit, which makes them suitable for different applications, such as seals or gaskets, where flexibility is more important than strength.The importance of adhering to the stress limit cannot be overstated. When a material is subjected to stress beyond its limit, it can experience plastic deformation, leading to permanent changes in shape. In extreme cases, exceeding the stress limit can result in fractures or complete structural failure. For example, if a bridge experiences loads greater than the stress limit of its supporting beams, it may collapse, causing severe consequences.To mitigate the risks associated with exceeding the stress limit, engineers implement safety factors into their designs. A safety factor is a ratio that provides a margin of safety by comparing the stress limit of the material to the expected load. By incorporating safety factors, engineers ensure that structures can withstand unexpected loads, such as those caused by natural disasters or heavy traffic.Moreover, the stress limit is not a static value; it can change based on various factors, including temperature, fatigue, and environmental conditions. For instance, materials may become weaker at elevated temperatures, reducing their stress limit. Similarly, repeated loading and unloading can lead to fatigue, which also lowers the effective stress limit over time. Therefore, engineers must consider these factors when designing long-lasting and safe structures.In conclusion, the concept of stress limit is vital in engineering and materials science. It defines the maximum stress a material can endure without failing, guiding engineers in their design processes to ensure safety and reliability. By understanding the stress limit and its implications, engineers can create structures that not only meet functional requirements but also protect lives and investments. As technology advances, the ability to accurately measure and predict the stress limit of new materials will continue to enhance our capacity to build safer and more efficient systems.

在工程和材料科学领域，理解“应力极限”的概念对于确保结构和组件的安全性和可靠性至关重要。应力极限是指材料在开始永久变形或失效之前能够承受的最大应力。这一概念在各种应用中都是基础，从设计桥梁和建筑物到制造日常产品。工程师必须仔细考虑材料的应力极限，以防止可能导致生命损失或重大经济损失的灾难性故障。当工程师评估材料时，他们会进行测试以确定其机械性能，包括拉伸强度、压缩强度和屈服强度。这些属性中的每一个都有助于定义该材料在特定条件下的应力极限。例如，钢材具有较高的应力极限，使其成为建筑项目中理想的选择，因为耐用性和强度至关重要。相反，像橡胶这样的材料具有较低的应力极限，这使它们适用于不同的应用，如密封件或垫圈，在这些应用中，灵活性比强度更为重要。遵循应力极限的重要性不容小觑。当材料承受超过其极限的应力时，它可能会经历塑性变形，导致形状的永久变化。在极端情况下，超出应力极限可能导致断裂或完全结构失效。例如，如果一座桥承受的负载超过其支撑梁的应力极限，可能会导致桥梁坍塌，造成严重后果。为了减轻超出应力极限相关的风险，工程师在设计中实施安全系数。安全系数是一个比率，通过将材料的应力极限与预期负载进行比较，提供安全边际。通过引入安全系数，工程师确保结构能够承受意外负载，例如由自然灾害或重型交通引起的负载。此外，应力极限并不是一个静态值；它可以根据温度、疲劳和环境条件等各种因素而变化。例如，材料在高温下可能变得更弱，从而降低其应力极限。同样，重复的加载和卸载可能导致疲劳，这也会随着时间的推移降低有效的应力极限。因此，工程师在设计持久和安全的结构时必须考虑这些因素。总之，应力极限的概念在工程和材料科学中至关重要。它定义了材料在不失效的情况下可以承受的最大应力，指导工程师在设计过程中确保安全性和可靠性。通过理解应力极限及其影响，工程师可以创建不仅满足功能要求，而且保护生命和投资的结构。随着技术的进步，准确测量和预测新材料的应力极限的能力将继续增强我们构建更安全、更高效系统的能力。