fatigue value

简明释义

疲劳极限

英英释义

例句

1.In our study, we found that the fatigue value of the composite material was significantly higher than that of traditional materials.

在我们的研究中，我们发现复合材料的疲劳值显著高于传统材料。

2.Testing the fatigue value of the new alloy revealed its potential for high-performance applications.

对新合金进行疲劳值测试揭示了其在高性能应用中的潜力。

3.Before finalizing the design, we must ensure that the fatigue value meets industry standards.

在最终确定设计之前，我们必须确保疲劳值符合行业标准。

4.The engineer calculated the fatigue value to determine the lifespan of the metal component under repeated stress.

工程师计算了疲劳值以确定金属部件在反复应力下的使用寿命。

5.The fatigue value is crucial for understanding how long a structure can withstand cyclic loading.

了解结构在循环载荷下能承受多长时间至关重要，这就是疲劳值的重要性。

作文

In the field of engineering and materials science, the term fatigue value refers to the maximum stress level that a material can withstand for a specified number of cycles without failing. Understanding the fatigue value is crucial when designing components that are subjected to repeated loading and unloading, such as in bridges, aircraft, and machinery. Engineers must ensure that the materials used can endure the stresses they will face throughout their service life. The significance of the fatigue value lies in its ability to predict the lifespan of a material under cyclic loading conditions. For instance, metals like steel and aluminum, which are commonly used in construction and manufacturing, exhibit distinct fatigue values that determine their suitability for various applications. When a material is exposed to repetitive stress, microscopic cracks can initiate and propagate, leading to eventual failure. Therefore, knowing the fatigue value helps engineers select the right materials and design safe structures.To measure the fatigue value, engineers typically perform fatigue tests, where samples are subjected to controlled cyclic loading until failure occurs. The data collected from these tests allow for the creation of S-N curves, which plot the stress amplitude against the number of cycles to failure. These curves provide valuable insight into the material's performance and its fatigue value. Moreover, factors such as temperature, environment, and surface finish can significantly affect the fatigue value. For example, a metal component exposed to corrosive environments may have a lower fatigue value than one that is kept in a dry, clean setting. Similarly, a rough surface can act as a stress concentrator, reducing the overall fatigue value of the material. This highlights the importance of considering all aspects of a material's application when evaluating its durability.In practical applications, the fatigue value plays a vital role in ensuring safety and reliability. For instance, in the aerospace industry, where components are subject to extreme conditions and repeated stress, understanding the fatigue value of materials is essential to prevent catastrophic failures. Engineers often incorporate safety factors into their designs, accounting for uncertainties in the fatigue value to ensure that structures can handle unexpected loads or environmental conditions.In conclusion, the fatigue value is a fundamental concept in the fields of engineering and materials science, providing insights into how materials behave under cyclic loading. By understanding and accurately determining the fatigue value, engineers can design safer and more reliable structures, ultimately contributing to advancements in technology and infrastructure. As industries continue to evolve, the importance of the fatigue value will remain a cornerstone in the pursuit of innovation and safety.

在工程和材料科学领域，短语fatigue value指的是材料在指定循环次数下能够承受而不失效的最大应力水平。理解fatigue value在设计受重复载荷作用的组件时至关重要，例如桥梁、飞机和机械设备。工程师必须确保所使用的材料能够承受其在服务生命周期中将面临的应力。fatigue value的重要性在于其能够预测材料在周期性载荷条件下的使用寿命。例如，钢和铝等金属在建筑和制造中被广泛使用，它们展示出不同的fatigue value，这决定了它们在各种应用中的适用性。当材料暴露于重复应力时，微观裂纹可能会产生并扩展，最终导致失效。因此，了解fatigue value有助于工程师选择合适的材料并设计安全的结构。为了测量fatigue value，工程师通常会进行疲劳测试，在这些测试中，样品会在控制的循环载荷下直至失效。收集到的数据可以用于创建S-N曲线，该曲线绘制了应力幅度与失效循环次数之间的关系。这些曲线提供了有关材料性能和其fatigue value的宝贵见解。此外，温度、环境和表面光洁度等因素也会显著影响fatigue value。例如，暴露于腐蚀性环境中的金属组件，其fatigue value可能低于保持在干燥、清洁环境中的组件。同样，粗糙的表面可能作为应力集中器，降低材料的整体fatigue value。这强调了在评估材料耐久性时考虑其应用的各个方面的重要性。在实际应用中，fatigue value在确保安全性和可靠性方面发挥着至关重要的作用。例如，在航空航天工业中，组件面临极端条件和重复应力，了解材料的fatigue value对于防止灾难性故障至关重要。工程师通常在设计中加入安全系数，以考虑fatigue value的不确定性，确保结构能够承受意外载荷或环境条件。总之，fatigue value是工程和材料科学领域的基本概念，提供了关于材料在周期性载荷下行为的洞察。通过理解和准确确定fatigue value，工程师可以设计出更安全、更可靠的结构，最终推动技术和基础设施的进步。随着各行业的不断发展，fatigue value的重要性将继续成为创新和安全追求的基石。