cyclic strains

简明释义

周期应变

英英释义

例句

1.The testing lab specializes in analyzing the effects of cyclic strains on different alloys.

该测试实验室专门分析循环应变对不同合金的影响。

2.Engine components are often subjected to cyclic strains during operation, which can lead to fatigue failure.

发动机组件在运行过程中经常受到循环应变，这可能导致疲劳失效。

3.Researchers are studying how cyclic strains affect the longevity of bridge materials.

研究人员正在研究循环应变如何影响桥梁材料的耐久性。

4.In biomechanics, understanding cyclic strains is crucial for designing better prosthetics.

在生物力学中，理解循环应变对设计更好的假肢至关重要。

5.The material was tested under various conditions to measure its response to cyclic strains.

该材料在不同条件下进行了测试，以测量其对循环应变的反应。

作文

Cyclic strains are a critical concept in the field of materials science and engineering. These strains refer to the repeated application of stress or deformation on a material over time, which can lead to significant changes in its structure and properties. Understanding cyclic strains (循环应变) is essential for engineers and scientists who design structures and materials that must endure repeated loading conditions, such as bridges, aircraft, and machinery.When a material is subjected to cyclic strains (循环应变), it experiences fluctuations in stress that can cause fatigue. Fatigue is a phenomenon where the material weakens over time due to these repetitive stresses, even if the applied stress levels are below the material's yield strength. This can lead to unexpected failures, which is why it is crucial to analyze and predict the behavior of materials under cyclic strains (循环应变).The study of cyclic strains (循环应变) often involves various testing methods, including fatigue tests, where samples are subjected to repeated loading until they fail. Engineers use this data to develop S-N curves, which illustrate the relationship between the number of cycles to failure and the stress amplitude. By understanding how different materials respond to cyclic strains (循环应变), engineers can make informed decisions about material selection and design strategies to enhance durability and safety.In practical applications, the effects of cyclic strains (循环应变) are evident in many everyday structures. For instance, consider the case of a pedestrian bridge. Every time people walk across it, the bridge experiences cyclic strains (循环应变). If the design does not account for these repeated loads, the bridge may suffer from fatigue over time, leading to cracks or even structural failure. Therefore, engineers must ensure that their designs can withstand the anticipated cyclic strains (循环应变) throughout the lifespan of the structure.Moreover, the impact of cyclic strains (循环应变) is not limited to large structures; it also affects smaller components, such as gears in machinery. In mechanical systems, components are often subjected to dynamic loads that induce cyclic strains (循环应变). Over time, these strains can lead to wear and tear, resulting in decreased performance or complete failure of the machinery. To mitigate these risks, engineers often employ materials with high fatigue resistance or implement design features that distribute stresses more evenly.In conclusion, the understanding of cyclic strains (循环应变) is paramount in the fields of engineering and materials science. By studying how materials behave under repeated loading, professionals can design safer and more reliable structures and components. As technology advances and the demand for durable materials increases, the importance of analyzing cyclic strains (循环应变) will only continue to grow, ensuring that our infrastructure and machinery can withstand the test of time.

循环应变是材料科学和工程领域的一个关键概念。这些应变指的是对材料施加的压力或变形的重复作用，随着时间的推移，这可能导致其结构和性能的显著变化。理解循环应变（cyclic strains）对设计必须承受重复载荷条件的结构和材料的工程师和科学家至关重要，例如桥梁、飞机和机械。当材料受到循环应变（cyclic strains）时，它会经历应力波动，这可能导致疲劳。疲劳是一种现象，即材料由于这些重复应力而随着时间的推移而变弱，即使施加的应力水平低于材料的屈服强度。这可能导致意外失效，这就是为什么分析和预测材料在循环应变（cyclic strains）下的行为至关重要。对循环应变（cyclic strains）的研究通常涉及多种测试方法，包括疲劳测试，其中样品在失败之前被施加重复载荷。工程师使用这些数据来开发S-N曲线，说明破坏的循环次数与应力幅值之间的关系。通过了解不同材料如何响应循环应变（cyclic strains），工程师可以做出明智的材料选择和设计策略，以增强耐久性和安全性。在实际应用中，循环应变（cyclic strains）的影响在许多日常结构中显而易见。例如，考虑行人天桥的案例。每当人们走过它时，桥都会经历循环应变（cyclic strains）。如果设计没有考虑这些重复的载荷，桥可能随着时间的推移而遭受疲劳，导致裂缝甚至结构失效。因此，工程师必须确保他们的设计能够承受预计的循环应变（cyclic strains）整个结构的使用寿命。此外，循环应变（cyclic strains）的影响不仅限于大型结构；它还影响较小的组件，例如机械中的齿轮。在机械系统中，组件通常受到动态载荷的作用，这会引起循环应变（cyclic strains）。随着时间的推移，这些应变可能导致磨损，从而导致性能下降或机械完全失效。为了减轻这些风险，工程师通常采用具有高疲劳抗性的材料或实施设计特征以更均匀地分配应力。总之，理解循环应变（cyclic strains）在工程和材料科学领域至关重要。通过研究材料在重复载荷下的行为，专业人员可以设计出更安全、更可靠的结构和组件。随着技术的发展和对耐用材料需求的增加，分析循环应变（cyclic strains）的重要性只会继续增长，确保我们的基础设施和机械能够经受住时间的考验。