time dependent strain
简明释义
与时间有关的变形
英英释义
Time dependent strain refers to the deformation or change in shape of a material that occurs over time when subjected to a constant load or stress. | 时间依赖性应变是指在施加恒定负荷或应力的情况下,材料随时间发生的变形或形状变化。 |
例句
1.Researchers are studying the effects of time dependent strain 时间依赖性应变 on the fatigue life of metals.
研究人员正在研究时间依赖性应变对金属疲劳寿命的影响。
2.The material exhibited significant time dependent strain 时间依赖性应变 under prolonged loading conditions.
该材料在长时间加载条件下表现出显著的时间依赖性应变。
3.In polymers, time dependent strain 时间依赖性应变 can lead to unexpected deformations over time.
在聚合物中,时间依赖性应变可能导致随时间发生意外变形。
4.The analysis revealed that time dependent strain 时间依赖性应变 could significantly affect the performance of the composite material.
分析显示,时间依赖性应变可能会显著影响复合材料的性能。
5.Engineers must account for time dependent strain 时间依赖性应变 when designing structures that will be subjected to heavy loads.
工程师在设计将承受重载的结构时必须考虑时间依赖性应变。
作文
In the field of materials science and engineering, understanding the behavior of materials under different conditions is crucial. One important concept that often arises is time dependent strain, which refers to the deformation of materials that occurs over time when subjected to a constant load or stress. This phenomenon can be observed in various materials, including metals, polymers, and concrete, and it plays a significant role in the design and analysis of structures. To comprehend time dependent strain, it is essential to consider the factors that contribute to this behavior. For instance, viscoelastic materials exhibit both elastic and viscous characteristics, meaning they can deform under stress and also exhibit time-dependent recovery. When a viscoelastic material is subjected to a constant load, it will initially deform quickly, but the rate of deformation will slow down over time. This gradual change in shape or size is what we refer to as time dependent strain. The implications of time dependent strain are significant in various applications. In civil engineering, for example, the long-term performance of structures such as bridges and buildings must account for this phenomenon. Engineers must ensure that materials used in construction can withstand not only immediate loads but also the gradual changes that occur over time. Failure to consider time dependent strain can lead to structural failures, resulting in safety hazards and costly repairs. Moreover, the study of time dependent strain has led to the development of advanced materials that can mitigate its effects. Researchers are continuously exploring new polymers and composites that exhibit reduced creep and better fatigue resistance. This is particularly important in industries such as aerospace and automotive, where performance and safety are paramount. By understanding the mechanisms behind time dependent strain, engineers can innovate and create materials that meet the demands of modern technology. In addition to engineering applications, time dependent strain is also relevant in biological systems. For instance, human tissues can exhibit similar time-dependent mechanical properties. The understanding of how biological materials respond to stress over time can inform medical treatments and the design of prosthetics. This interdisciplinary approach highlights the importance of studying time dependent strain across various fields. In conclusion, time dependent strain is a vital concept in understanding material behavior under sustained loads. Its implications span various industries, from civil engineering to biomedical applications. As researchers continue to investigate this phenomenon, the knowledge gained will undoubtedly lead to advancements in material science and engineering practices. Therefore, a thorough grasp of time dependent strain is essential for anyone involved in the study or application of materials in any capacity.
在材料科学和工程领域,理解材料在不同条件下的行为至关重要。一个重要的概念是时间依赖性应变,它指的是当材料在恒定负载或应力下随着时间发生的变形。这种现象可以在多种材料中观察到,包括金属、聚合物和混凝土,并且在结构的设计和分析中起着重要作用。要理解时间依赖性应变,必须考虑导致这种行为的因素。例如,粘弹性材料表现出弹性和粘性特性,这意味着它们在应力下可以变形,并且也表现出时间依赖性的恢复。当一个粘弹性材料受到恒定负载时,它会迅速变形,但变形的速率会随着时间的推移而减慢。这种形状或尺寸的逐渐变化就是我们所称的时间依赖性应变。时间依赖性应变的影响在各种应用中都非常重要。例如,在土木工程中,诸如桥梁和建筑物等结构的长期性能必须考虑这一现象。工程师必须确保用于建设的材料不仅能承受即时负载,还能承受随时间发生的逐渐变化。如果不考虑时间依赖性应变,可能导致结构失效,从而造成安全隐患和昂贵的维修费用。此外,对时间依赖性应变的研究还促成了先进材料的发展,以减轻其影响。研究人员不断探索新的聚合物和复合材料,以减少蠕变和改善疲劳抗性。这在航空航天和汽车等行业尤为重要,因为这些行业对性能和安全性有着极高的要求。通过理解时间依赖性应变背后的机制,工程师可以创新并创造满足现代技术需求的材料。除了工程应用外,时间依赖性应变在生物系统中也具有相关性。例如,人类组织可以表现出类似的时间依赖性机械特性。理解生物材料如何在时间上对应力作出反应,可以为医疗治疗和假肢的设计提供信息。这种跨学科的方法突显了在各个领域研究时间依赖性应变的重要性。总之,时间依赖性应变是理解材料在持续负载下行为的重要概念。它的影响跨越了多个行业,从土木工程到生物医学应用。随着研究人员继续调查这一现象,获得的知识无疑将推动材料科学和工程实践的进步。因此,全面掌握时间依赖性应变对于任何参与材料研究或应用的人来说都是必不可少的。
相关单词