fatigue range

简明释义

疲劳范围

英英释义

例句

1.In aviation, knowing the fatigue range of materials can prevent accidents.

在航空领域，了解材料的疲劳范围可以防止事故发生。

2.The engineer tested the material to determine its fatigue range.

工程师测试了材料以确定其疲劳范围。

3.The research focused on expanding the fatigue range of composite materials.

研究集中在扩大复合材料的疲劳范围上。

4.Understanding the fatigue range of metals is crucial for construction.

了解金属的疲劳范围对于建筑至关重要。

5.The fatigue range of this alloy is significantly higher than others.

这种合金的疲劳范围明显高于其他合金。

作文

In the field of materials science and engineering, understanding the concept of fatigue range is crucial for predicting the durability and lifespan of materials under cyclic loading. The fatigue range refers to the difference between the maximum and minimum stress levels experienced by a material during repeated loading cycles. This parameter plays a significant role in determining how materials behave when subjected to fluctuating forces over time. When engineers design structures or components, they must consider the fatigue range to ensure that the materials can withstand the stresses they will encounter in real-world applications. For instance, in the automotive industry, car parts such as axles and suspension systems are constantly subjected to varying loads while driving. If the fatigue range exceeds the material's endurance limit, it can lead to premature failure, resulting in costly repairs and safety hazards.To analyze the fatigue range, engineers often use S-N curves, which plot the number of cycles to failure against the applied stress level. These curves help in identifying the safe operating limits of materials and guide the selection of appropriate materials for specific applications. By understanding the fatigue range, engineers can make informed decisions about material selection and design parameters, ultimately enhancing the reliability and performance of their products.Moreover, the fatigue range can be influenced by various factors, including temperature, surface finish, and environmental conditions. For example, materials exposed to corrosive environments may experience a reduced fatigue life due to the combined effects of corrosion and mechanical loading. Therefore, engineers must account for these variables when assessing the fatigue range and designing components that will endure harsh conditions.Another important aspect of the fatigue range is its relevance in the field of aerospace engineering. Aircraft components are subjected to extreme conditions, including high altitudes, temperature fluctuations, and variable loads during flight. Understanding the fatigue range of materials used in aircraft structures is vital for ensuring passenger safety and the longevity of the aircraft. Engineers perform rigorous testing to evaluate the fatigue range of materials, allowing them to predict how long components will last under operational conditions.In conclusion, the concept of fatigue range is essential in various engineering disciplines, particularly in materials science and structural design. It helps engineers assess the durability of materials under cyclic loading, guiding them in making informed decisions to enhance the safety and performance of their designs. By thoroughly understanding the fatigue range, engineers can develop more reliable and efficient products that meet the demands of modern applications.

在材料科学和工程领域，理解“疲劳范围”的概念对于预测材料在循环载荷下的耐久性和使用寿命至关重要。“疲劳范围”是指材料在重复加载周期中所经历的最大应力和最小应力水平之间的差异。这个参数在确定材料在长时间内受到波动力时的行为方面起着重要作用。当工程师设计结构或组件时，他们必须考虑“疲劳范围”，以确保材料能够承受其在实际应用中将遇到的应力。例如，在汽车工业中，汽车零件如车轴和悬挂系统在行驶过程中不断受到不同的载荷。如果“疲劳范围”超过材料的耐久极限，就可能导致过早失效，造成昂贵的维修费用和安全隐患。为了分析“疲劳范围”，工程师通常使用S-N曲线，该曲线将失效的循环次数与施加的应力水平进行绘图。这些曲线有助于识别材料的安全工作极限，并指导特定应用中适当材料的选择。通过了解“疲劳范围”，工程师可以做出有关材料选择和设计参数的明智决策，从而最终提高产品的可靠性和性能。此外，“疲劳范围”还会受到多种因素的影响，包括温度、表面处理和环境条件。例如，暴露于腐蚀性环境中的材料可能由于腐蚀和机械载荷的综合作用而经历降低的疲劳寿命。因此，工程师在评估“疲劳范围”并设计能够承受恶劣条件的组件时，必须考虑这些变量。“疲劳范围”的另一个重要方面是它在航空航天工程领域的相关性。飞机组件受到极端条件的影响，包括高海拔、温度波动和飞行中的变载荷。理解用于飞机结构的材料的“疲劳范围”对于确保乘客安全和飞机的长期使用至关重要。工程师进行严格测试，以评估材料的“疲劳范围”，使他们能够预测组件在操作条件下的使用寿命。总之，“疲劳范围”的概念在各个工程学科中都是必不可少的，特别是在材料科学和结构设计中。它帮助工程师评估材料在循环载荷下的耐久性，指导他们做出明智的决策，以增强设计的安全性和性能。通过深入了解“疲劳范围”，工程师可以开发出更可靠、更高效的产品，以满足现代应用的需求。