cyclic creep

简明释义

周期性蠕变

英英释义

例句

1.The cyclic creep phenomenon can lead to unexpected failures in mechanical systems.

循环蠕变现象可能导致机械系统出现意外故障。

2.The engineers conducted tests to measure the effects of cyclic creep on the material's durability under repeated stress.

工程师进行了测试，以测量材料在重复应力下的耐久性对循环蠕变的影响。

3.The research focused on the cyclic creep characteristics of polymers used in automotive applications.

该研究集中于用于汽车应用的聚合物的循环蠕变特性。

4.In structural design, understanding cyclic creep is essential for predicting long-term behavior.

在结构设计中，理解循环蠕变对于预测长期行为至关重要。

5.Manufacturers must account for cyclic creep when designing components that will undergo frequent loading.

制造商在设计将经历频繁负载的组件时，必须考虑到循环蠕变。

作文

Creep is a term used in materials science to describe the slow, time-dependent deformation of materials under constant stress. When this deformation occurs in a cyclic manner, it is referred to as cyclic creep. This phenomenon is particularly significant in engineering applications where materials are subjected to repeated loading and unloading cycles, such as in bridges, aircraft, and other structures. Understanding cyclic creep is essential for predicting the long-term behavior of these materials under operational conditions.In essence, cyclic creep can be understood as the accumulation of permanent deformation that occurs over time when a material is subjected to fluctuating stress levels. Unlike simple creep, which may occur under constant load, cyclic creep involves variations in stress, leading to more complex behaviors. One of the key factors influencing cyclic creep is the temperature at which the material operates. Higher temperatures typically increase the rate of creep, making it crucial for engineers to consider thermal effects when designing components that will experience cyclic loading.The implications of cyclic creep are profound in various fields. For instance, in aerospace engineering, aircraft components must endure thousands of takeoff and landing cycles, which can lead to fatigue and eventual failure if cyclic creep is not adequately accounted for. Similarly, in civil engineering, bridges and buildings face dynamic loads from wind, traffic, and seismic activity, all of which can induce cyclic creep. Engineers must employ advanced materials and design strategies to mitigate the risks associated with this phenomenon.One approach to address cyclic creep is through the use of high-performance materials that exhibit greater resistance to deformation under cyclic loads. These materials may include advanced composites or alloys specifically designed to withstand fatigue and creep. Additionally, regular inspection and maintenance of structures can help identify early signs of cyclic creep, allowing for timely interventions before significant damage occurs.Moreover, researchers are continually exploring the mechanisms behind cyclic creep to develop better predictive models. Understanding how microstructural changes occur within materials during cyclic loading can lead to improved material formulations and treatment processes. By enhancing our knowledge of cyclic creep, we can advance the safety and longevity of critical infrastructure.In conclusion, cyclic creep represents a crucial aspect of material behavior that must be considered in engineering design and analysis. As our infrastructure continues to age and demand increases on various systems, the importance of understanding cyclic creep will only grow. By investing in research and development, we can ensure that our materials and structures remain safe and effective for years to come. The study of cyclic creep not only enhances our scientific knowledge but also plays a vital role in protecting lives and resources in our increasingly complex world.

蠕变是材料科学中用来描述材料在恒定应力下缓慢、依赖时间的变形的术语。当这种变形以循环方式发生时，它被称为循环蠕变。这一现象在工程应用中尤为重要，因为材料受到重复加载和卸载周期的影响，例如在桥梁、飞机和其他结构中。理解循环蠕变对于预测这些材料在操作条件下的长期行为至关重要。本质上，循环蠕变可以理解为在材料受到波动应力水平的情况下，随时间积累的永久变形。与简单蠕变不同，简单蠕变可能在恒定负载下发生，而循环蠕变则涉及应力的变化，导致更复杂的行为。影响循环蠕变的关键因素之一是材料操作的温度。较高的温度通常会增加蠕变的速率，这使得工程师在设计将经历循环加载的组件时必须考虑热效应。循环蠕变的影响在各个领域都是深远的。例如，在航空航天工程中，飞机组件必须承受数千次起飞和着陆周期，如果不充分考虑循环蠕变，可能会导致疲劳和最终失效。同样，在土木工程中，桥梁和建筑物面临来自风、交通和地震活动的动态负载，这些都会引发循环蠕变。工程师必须采用先进的材料和设计策略，以减轻与这一现象相关的风险。解决循环蠕变的一种方法是使用具有更高抗变形能力的高性能材料。这些材料可能包括专门设计用于承受疲劳和蠕变的先进复合材料或合金。此外，定期检查和维护结构可以帮助识别循环蠕变的早期迹象，从而在重大损害发生之前进行及时干预。此外，研究人员不断探索循环蠕变背后的机制，以开发更好的预测模型。了解材料在循环加载过程中微观结构变化的发生，可以导致材料配方和处理工艺的改进。通过增强我们对循环蠕变的理解，我们可以提高关键基础设施的安全性和耐久性。总之，循环蠕变代表了材料行为的一个关键方面，必须在工程设计和分析中加以考虑。随着我们的基础设施持续老化，各种系统的需求增加，理解循环蠕变的重要性只会增加。通过投资于研究和开发，我们可以确保我们的材料和结构在未来多年内保持安全和有效。对循环蠕变的研究不仅增强了我们的科学知识，而且在保护我们日益复杂的世界中的生命和资源方面发挥着至关重要的作用。