elastic constant

简明释义

弹性常数

英英释义

A measure of the stiffness of a material, defined as the ratio of stress (force per unit area) to strain (deformation) in the linear elastic region of the material's behavior.

材料刚度的量度,定义为材料在其线性弹性行为的应力(单位面积上的力)与应变(变形)之间的比率。

例句

1.The elastic constant 弹性常数 can vary significantly between different materials, such as rubber and steel.

不同材料之间的弹性常数 elastic constant 可能有显著差异,例如橡胶和钢铁。

2.When calculating the elastic constant 弹性常数, engineers must consider both the tensile and compressive properties of the material.

在计算弹性常数 elastic constant 时,工程师必须考虑材料的拉伸和压缩特性。

3.The elastic constant 弹性常数 of the material determines how much it will stretch under tension.

材料的弹性常数 elastic constant 决定了它在拉伸下会伸展多少。

4.A higher elastic constant 弹性常数 indicates a stiffer material that does not deform easily.

较高的弹性常数 elastic constant 表明材料更坚硬,不易变形。

5.In physics, the elastic constant 弹性常数 is crucial for understanding wave propagation in solids.

在物理学中,弹性常数 elastic constant 对于理解固体中的波传播至关重要。

作文

The concept of elasticity is fundamental in physics and engineering, describing how materials deform under stress. One of the key parameters that quantify this behavior is the elastic constant, which is a measure of a material's ability to return to its original shape after being deformed. Understanding the elastic constant is essential for engineers and designers as it helps them to predict how materials will behave under various loads and conditions. Materials can be broadly classified into elastic and plastic categories. Elastic materials, such as rubber, can stretch significantly but will return to their original shape once the force is removed. On the other hand, plastic materials, like clay, undergo permanent deformation when subjected to stress. The elastic constant plays a crucial role in distinguishing between these two types of behavior. In mathematical terms, the elastic constant is often represented by Young's modulus, which is defined as the ratio of tensile stress to tensile strain. This relationship provides a clear indication of how much a material will stretch or compress when a force is applied. For instance, a high elastic constant indicates that a material is stiff and does not deform easily, while a low elastic constant suggests that the material is more flexible. Different materials exhibit varying elastic constants. For example, steel has a much higher elastic constant compared to rubber, which means that steel will deform less under the same amount of stress. This property is vital in construction and manufacturing, where the choice of materials can significantly affect the performance and safety of structures. Engineers must carefully consider the elastic constant of materials when designing components that will experience dynamic loads, such as bridges, buildings, and vehicles. Moreover, the elastic constant is not static; it can change with temperature, humidity, and other environmental factors. This variability is particularly important in applications where materials are exposed to extreme conditions. For instance, the elastic constant of rubber decreases at higher temperatures, making it less effective in applications like tire manufacturing. Therefore, engineers must account for these changes to ensure reliability and safety in their designs. In conclusion, the elastic constant is a fundamental property that governs the behavior of materials under stress. It is crucial for predicting how materials will respond to forces and ensuring that structures are designed safely and efficiently. By understanding the implications of the elastic constant, engineers can make informed decisions about material selection and design, ultimately leading to better performance and longevity of products and structures. As technology advances, further research into the elastic constant of new materials will continue to play a significant role in innovation across various fields, from aerospace to civil engineering.

弹性是物理学和工程学中的一个基本概念,描述了材料在应力作用下的变形方式。量化这种行为的关键参数之一是弹性常数,它衡量材料在变形后恢复到原始形状的能力。理解弹性常数对工程师和设计师至关重要,因为它帮助他们预测材料在各种载荷和条件下的行为。材料可以大致分为弹性和塑性两类。弹性材料,如橡胶,可以显著拉伸,但一旦去除施加的力量,就会恢复到原始形状。另一方面,塑性材料,如黏土,在受到应力时会发生永久性变形。弹性常数在区分这两种行为方面起着关键作用。在数学上,弹性常数通常用杨氏模量表示,它被定义为拉伸应力与拉伸应变之比。这种关系清楚地表明了材料在施加力量时将会伸展或压缩的程度。例如,高弹性常数表明材料坚硬,不易变形,而低弹性常数则表明材料更具柔韧性。不同材料表现出不同的弹性常数。例如,钢的弹性常数远高于橡胶,这意味着在相同的应力下,钢的变形程度较小。这一特性在建筑和制造中至关重要,材料的选择可能会显著影响结构的性能和安全性。工程师在设计承受动态载荷的组件(如桥梁、建筑物和车辆)时,必须仔细考虑材料的弹性常数。此外,弹性常数并不是静态的;它可能会随着温度、湿度和其他环境因素而变化。这种可变性在材料暴露于极端条件下的应用中特别重要。例如,橡胶的弹性常数在高温下会降低,使其在轮胎制造等应用中效果较差。因此,工程师必须考虑这些变化,以确保设计的可靠性和安全性。总之,弹性常数是支配材料在应力下行为的基本属性。它对于预测材料在受力时的反应以及确保结构设计的安全性和效率至关重要。通过理解弹性常数的影响,工程师能够就材料选择和设计做出明智的决策,最终导致产品和结构的更好性能和耐久性。随着技术的发展,对新材料的弹性常数的进一步研究将在各个领域的创新中继续发挥重要作用,从航空航天到土木工程。

相关单词

elastic

elastic详解:怎么读、什么意思、用法