repeated stress cycles

简明释义

重应力周期

英英释义

例句

1.Manufacturers must consider repeated stress cycles when designing durable products.

制造商在设计耐用产品时必须考虑重复应力循环。

2.The study focused on how repeated stress cycles affect the lifespan of polymer materials.

这项研究集中于重复应力循环如何影响聚合物材料的使用寿命。

3.Engine components are often designed to withstand repeated stress cycles during operation.

发动机部件通常设计为能够承受操作中的重复应力循环。

4.In our tests, the bridge showed signs of wear due to repeated stress cycles from traffic load.

在我们的测试中，桥梁因交通负荷的重复应力循环而出现磨损迹象。

5.The material failed after undergoing several repeated stress cycles, indicating its fatigue limit.

该材料在经历了几次重复应力循环后失效，表明其疲劳极限。

作文

The concept of repeated stress cycles is crucial in understanding how materials behave under various conditions. In engineering and materials science, repeated stress cycles refer to the phenomenon where a material is subjected to the same load or stress multiple times over a period. This repetitive loading can lead to fatigue, which is the gradual weakening of a material due to the repeated application of stress. For instance, consider a metal beam that supports a bridge. Each time a vehicle crosses the bridge, the beam experiences a load. Over time, as vehicles continually pass over, the beam undergoes repeated stress cycles, which can eventually lead to cracks or failure if the material is not designed to withstand such conditions.Understanding repeated stress cycles is essential for engineers when designing structures that must endure constant use. They need to calculate the number of cycles a material can endure before it fails. This calculation involves determining the material's fatigue limit, which is the maximum stress level that can be applied for an infinite number of cycles without causing failure. If the stress exceeds this limit, the material will likely fail after a certain number of repeated stress cycles.In the field of biomechanics, repeated stress cycles also play a significant role. For example, athletes often experience repeated stress cycles in their joints and muscles during training and competition. Runners, for instance, put their knees and ankles through significant stress with each stride they take. Over time, this can lead to injuries such as tendinitis or stress fractures. Understanding how repeated stress cycles affect the human body can help in developing better training regimens that minimize injury risk.Moreover, the study of repeated stress cycles extends to various industries, including aerospace, automotive, and construction. Engineers in these fields must consider how components will react to repeated stress cycles throughout their lifetime. For example, airplane wings are designed to flex and bend during flight, undergoing numerous repeated stress cycles. If not properly engineered, these wings could fail mid-flight, leading to catastrophic results.In conclusion, the concept of repeated stress cycles is integral to both material science and biomechanics. It highlights the importance of designing materials and systems that can withstand the stresses of everyday use. By understanding the effects of repeated stress cycles, engineers and scientists can create safer and more reliable structures, whether they are bridges, airplanes, or even the human body itself. The implications of this knowledge are vast, affecting everything from public safety to the performance of athletes. As we continue to explore the limits of materials and the human body, the study of repeated stress cycles will remain a vital area of research.

“重复应力循环”这一概念对于理解材料在各种条件下的行为至关重要。在工程和材料科学中，重复应力循环是指材料在一段时间内多次受到相同负载或应力的现象。这种重复加载可能导致疲劳，即由于反复施加应力而逐渐削弱材料。例如，考虑一根支撑桥梁的金属梁。每当车辆经过桥梁时，梁都会承受负载。随着时间的推移，随着车辆不断通过，梁经历了重复应力循环，如果材料没有设计成能够承受这种条件，最终可能会导致裂缝或失效。理解重复应力循环对工程师在设计必须经受持续使用的结构时至关重要。他们需要计算材料在失效之前可以承受的循环次数。这个计算涉及确定材料的疲劳极限，即在无限次循环中不会导致失效的最大应力水平。如果应力超过此极限，材料很可能会在一定数量的重复应力循环之后失效。在生物力学领域，重复应力循环也发挥着重要作用。例如，运动员在训练和比赛中常常在关节和肌肉上经历重复应力循环。例如，跑步者在每一步中对膝盖和脚踝施加显著压力。随着时间的推移，这可能导致如腱炎或应力性骨折等伤害。理解重复应力循环如何影响人体有助于制定更好的训练方案，从而减少受伤风险。此外，重复应力循环的研究还扩展到航空、汽车和建筑等多个行业。这些领域的工程师必须考虑组件在其生命周期内如何响应重复应力循环。例如，飞机机翼在飞行过程中设计为弯曲和屈曲，经历无数次重复应力循环。如果设计不当，这些机翼可能会在飞行中失效，导致灾难性后果。总之，重复应力循环的概念是材料科学和生物力学的基础。它突出了设计能够承受日常使用应力的材料和系统的重要性。通过理解重复应力循环的影响，工程师和科学家可以创造出更安全、更可靠的结构，无论是桥梁、飞机，甚至是人体本身。这一知识的影响深远，涉及公共安全到运动员表现的方方面面。随着我们继续探索材料和人体的极限，重复应力循环的研究将始终是一个重要的研究领域。