modulus of elasticity

简明释义

弹性系数

英英释义

例句

1.In mechanical engineering, the modulus of elasticity 弹性模量 is crucial for analyzing stress and strain.

在机械工程中，弹性模量 modulus of elasticity 对于分析应力和应变至关重要。

2.Engineers must consider the modulus of elasticity 弹性模量 when designing structures to ensure they can withstand loads.

工程师在设计结构时必须考虑弹性模量 modulus of elasticity，以确保它们能够承受负荷。

3.The modulus of elasticity 弹性模量 of steel is significantly higher than that of rubber.

钢的弹性模量 modulus of elasticity 明显高于橡胶。

4.The modulus of elasticity 弹性模量 of concrete varies depending on its composition and curing process.

混凝土的弹性模量 modulus of elasticity 根据其成分和养护过程而有所不同。

5.A low modulus of elasticity 弹性模量 indicates that a material is more flexible.

低弹性模量 modulus of elasticity 表示材料更具柔韧性。

作文

The concept of the modulus of elasticity is fundamental in the field of materials science and engineering. It refers to a material's ability to deform elastically when a force is applied to it. Essentially, it measures the stiffness of a material, indicating how much it will stretch or compress under a given load. The higher the modulus of elasticity, the stiffer the material, meaning it will undergo less deformation when subjected to stress.Understanding the modulus of elasticity is crucial for engineers and designers as they create structures and products that must withstand various forces. For instance, when designing a bridge, engineers must consider the modulus of elasticity of the materials used to ensure that the bridge can support its own weight, as well as the weight of vehicles and pedestrians. If the materials have a low modulus of elasticity, they may bend or warp under pressure, leading to structural failure.Different materials have different modulus of elasticity values. For example, metals generally have a high modulus of elasticity, which makes them suitable for construction and manufacturing applications where strength and rigidity are required. On the other hand, rubber has a low modulus of elasticity, allowing it to stretch and compress easily, making it ideal for applications like tires and seals.Moreover, the modulus of elasticity can be affected by factors such as temperature and the material's microstructure. For instance, as temperature increases, some materials may become more pliable, resulting in a lower modulus of elasticity. Understanding these variations is essential for engineers who must account for environmental conditions when selecting materials for specific applications.In conclusion, the modulus of elasticity is a critical property that influences how materials perform under load. It provides essential information that helps engineers make informed decisions about material selection and design. By understanding the modulus of elasticity, professionals can ensure that their structures and products are safe, reliable, and effective in their intended applications. As technology advances and new materials are developed, the study of the modulus of elasticity will continue to play a vital role in innovation and engineering excellence.

弹性模量的概念在材料科学和工程领域中是基础性的。它指的是材料在施加力时的弹性变形能力。本质上，它测量了材料的刚度，表明在给定负荷下，材料会伸展或压缩多少。弹性模量越高，材料越刚性，这意味着在施加应力时，它的变形会更少。理解弹性模量对于工程师和设计师至关重要，因为他们在创建必须承受各种力量的结构和产品时，必须考虑这一点。例如，在设计桥梁时，工程师必须考虑所用材料的弹性模量，以确保桥梁能够支撑自身的重量，以及车辆和行人的重量。如果材料的弹性模量较低，它们可能在压力下弯曲或变形，从而导致结构失败。不同材料具有不同的弹性模量值。例如，金属通常具有较高的弹性模量，这使其适合用于建筑和制造应用，在这些应用中需要强度和刚度。另一方面，橡胶的弹性模量较低，允许其轻松伸展和压缩，使其理想用于轮胎和密封件等应用。此外，弹性模量可能受到温度和材料微观结构等因素的影响。例如，随着温度的升高，某些材料可能变得更加柔韧，从而导致弹性模量降低。理解这些变化对于工程师来说至关重要，他们必须在为特定应用选择材料时考虑环境条件。总之，弹性模量是影响材料在负载下表现的关键属性。它提供了帮助工程师做出明智的材料选择和设计决策的重要信息。通过理解弹性模量，专业人员可以确保他们的结构和产品在其预期应用中安全、可靠和有效。随着技术的进步和新材料的发展，弹性模量的研究将继续在创新和工程卓越中发挥重要作用。