limit of elasticity

简明释义

弹性限度

英英释义

The limit of elasticity refers to the maximum extent to which a material can be deformed elastically (i.e., non-permanently) without undergoing permanent deformation.

弹性极限是指材料在不发生永久变形的情况下,可以被弹性变形的最大程度。

例句

1.In construction, the limit of elasticity of steel is a critical factor in ensuring structural integrity.

在建筑中,钢材的弹性极限是确保结构完整性的关键因素。

2.When testing rubber, we need to identify its limit of elasticity to ensure it performs well under pressure.

在测试橡胶时,我们需要确定其弹性极限以确保它在压力下表现良好。

3.The engineer calculated the limit of elasticity to determine how much stress the material could withstand before deforming.

工程师计算了弹性极限以确定材料在变形前能够承受多少应力。

4.Understanding the limit of elasticity is crucial for designing safe structures.

理解弹性极限对于设计安全结构至关重要。

5.The limit of elasticity helps us understand the point at which a material will no longer return to its original shape.

通过弹性极限,我们可以理解材料不再恢复原始形状的点。

作文

The concept of the limit of elasticity is fundamental in both physics and engineering, particularly when analyzing materials under stress. Understanding this concept is crucial for engineers and architects who design structures that must withstand various forces. The limit of elasticity refers to the maximum extent to which a material can be deformed elastically, meaning it can return to its original shape once the stress is removed. Beyond this limit, the material may undergo plastic deformation, leading to permanent changes in its structure. To illustrate the importance of the limit of elasticity, consider the construction of a bridge. Engineers must calculate the loads that the bridge will encounter, including the weight of vehicles and environmental factors such as wind and earthquakes. If the materials used exceed their limit of elasticity, the bridge could suffer catastrophic failure. Therefore, selecting materials with appropriate limit of elasticity values is essential for ensuring safety and durability.Moreover, the limit of elasticity varies significantly between different materials. For instance, metals typically exhibit high limits of elasticity, allowing them to endure substantial stress without permanent deformation. In contrast, materials like rubber have lower limits of elasticity but are designed to stretch and compress, making them ideal for applications like seals and gaskets. This variation underscores the importance of material selection in engineering.In practical applications, engineers often conduct tests to determine the limit of elasticity of materials. These tests involve applying increasing amounts of stress to a sample until it reaches its elastic limit. The results provide valuable data that inform decisions about material usage in construction and manufacturing. Understanding the limit of elasticity not only helps in designing safer structures but also enhances the efficiency of material use, reducing waste and costs.Furthermore, the limit of elasticity has implications beyond structural engineering. It plays a role in various fields, including biomechanics, where understanding the elastic properties of biological tissues is vital for developing medical devices and treatments. For example, in designing prosthetics, engineers must consider the limit of elasticity of materials to ensure they can mimic the natural movement of limbs without failing.In conclusion, the limit of elasticity is a critical parameter in material science and engineering. It defines the boundaries within which materials can safely operate without permanent deformation. A thorough understanding of this concept allows engineers to make informed decisions, ensuring the safety and longevity of structures and products. As technology advances, the study of the limit of elasticity will continue to evolve, leading to the development of new materials and applications that push the boundaries of what is possible in engineering and design.

弹性极限的概念在物理学和工程学中是基础,特别是在分析材料在应力下的表现时。理解这一概念对设计必须承受各种力量的结构的工程师和建筑师至关重要。弹性极限是指材料在弹性变形下能够变形的最大程度,这意味着一旦去除应力,它可以恢复到原来的形状。超过这个极限,材料可能会经历塑性变形,导致其结构发生永久性变化。为了说明弹性极限的重要性,考虑一下桥梁的建设。工程师必须计算桥梁将遇到的负载,包括车辆的重量和风、地震等环境因素。如果所用材料超过其弹性极限,桥梁可能会遭受灾难性的故障。因此,选择具有适当弹性极限值的材料对于确保安全和耐用性至关重要。此外,不同材料的弹性极限差异显著。例如,金属通常具有较高的弹性极限,使其能够承受相当大的应力而不发生永久变形。相比之下,像橡胶这样的材料具有较低的弹性极限,但设计用于拉伸和压缩,使其非常适合用于密封件和垫圈等应用。这种差异强调了工程中材料选择的重要性。在实际应用中,工程师通常会进行测试以确定材料的弹性极限。这些测试涉及对样本施加越来越大的应力,直到达到其弹性极限。结果提供了有价值的数据,帮助决定在建筑和制造中的材料使用。理解弹性极限不仅有助于设计更安全的结构,还提高了材料使用的效率,减少了浪费和成本。此外,弹性极限在结构工程之外还有影响。它在生物力学等多个领域发挥作用,在这些领域,了解生物组织的弹性特性对开发医疗设备和治疗方案至关重要。例如,在设计假肢时,工程师必须考虑材料的弹性极限,以确保它们能够模仿肢体的自然运动而不失败。总之,弹性极限是材料科学和工程学中的一个关键参数。它定义了材料在没有永久变形的情况下可以安全操作的边界。对这一概念的透彻理解使工程师能够做出明智的决策,确保结构和产品的安全性和耐久性。随着技术的进步,弹性极限的研究将继续发展,推动新材料和应用的发展,突破工程和设计的可能性界限。