modulus of elasticity

简明释义

弹性模量；弹性模数

英英释义

例句

1.The modulus of elasticity (弹性模量) of steel is significantly higher than that of rubber.

钢的modulus of elasticity (弹性模量) 明显高于橡胶。

2.The modulus of elasticity (弹性模量) of concrete varies depending on its composition and curing conditions.

混凝土的modulus of elasticity (弹性模量) 会根据其成分和养护条件而有所不同。

3.In civil engineering, the modulus of elasticity (弹性模量) is crucial for determining how much a material will deform under load.

在土木工程中，modulus of elasticity (弹性模量) 对于确定材料在载荷下的变形量至关重要。

4.When designing bridges, engineers must consider the modulus of elasticity (弹性模量) of the materials used to ensure safety.

在设计桥梁时，工程师必须考虑所用材料的modulus of elasticity (弹性模量) 以确保安全。

5.A high modulus of elasticity (弹性模量) indicates a stiff material, while a low value suggests flexibility.

高modulus of elasticity (弹性模量) 表示材料刚性强，而低值则表明柔韧性。

作文

The concept of modulus of elasticity is fundamental in the field of materials science and engineering. It refers to the measure of a material's ability to deform elastically when a force is applied. In simpler terms, it quantifies how much a material will stretch or compress under a given load without permanently changing its shape. Understanding the modulus of elasticity is crucial for engineers and architects as it helps in selecting the right materials for construction projects. When designing structures, engineers must consider the modulus of elasticity of various materials such as steel, concrete, and wood. For instance, steel has a high modulus of elasticity, which means it can withstand significant stress without undergoing much deformation. This property makes steel an ideal choice for skyscrapers and bridges, where strength and stability are paramount. On the other hand, materials like rubber have a low modulus of elasticity, indicating that they can stretch considerably under load. This characteristic is why rubber is often used in applications where flexibility is required, such as in tires and shock absorbers. The modulus of elasticity is typically expressed in units of pressure, such as pascals (Pa) or pounds per square inch (psi). There are different types of modulus of elasticity, including Young's modulus, shear modulus, and bulk modulus, each describing different aspects of material behavior under stress. Young's modulus, for example, measures the tensile elasticity of a material, while shear modulus relates to how a material deforms under shear stress. To illustrate the importance of the modulus of elasticity, consider the design of a suspension bridge. Engineers must ensure that the materials used can handle the dynamic loads imposed by traffic and environmental factors such as wind. By analyzing the modulus of elasticity of the materials chosen, they can predict how the bridge will respond to these forces and ensure its safety and longevity. Furthermore, the modulus of elasticity plays a significant role in the manufacturing industry. For example, in the production of composite materials, understanding the modulus of elasticity is essential for achieving desired performance characteristics. Manufacturers can tailor the properties of composites by combining materials with different modulus of elasticity values, resulting in products that meet specific requirements for strength, weight, and flexibility. In conclusion, the modulus of elasticity is a critical parameter in material selection and structural design. Its significance extends beyond engineering and architecture to various fields, including manufacturing and product development. A thorough understanding of the modulus of elasticity allows professionals to make informed decisions, ensuring that structures and products are safe, efficient, and fit for purpose. As technology advances and new materials are developed, the study of modulus of elasticity will continue to evolve, leading to innovations that enhance our built environment and everyday lives.

弹性模量的概念在材料科学和工程领域中至关重要。它指的是材料在施加力时变形的能力的度量。简单来说，它量化了材料在不永久改变其形状的情况下，在施加负荷时会伸展或压缩多少。理解弹性模量对于工程师和建筑师至关重要，因为它有助于选择合适的建筑材料。在设计结构时，工程师必须考虑各种材料（如钢、混凝土和木材）的弹性模量。例如，钢的弹性模量很高，这意味着它可以承受显著的应力而不会发生太多变形。这种特性使得钢成为摩天大楼和桥梁的理想选择，因为在这些结构中，强度和稳定性是至关重要的。另一方面，像橡胶这样的材料具有较低的弹性模量，表明它们在负载下可以伸展相当多。这种特性是橡胶常用于需要灵活性的应用中的原因，例如轮胎和减震器。弹性模量通常以压力单位表示，如帕斯卡（Pa）或每平方英寸磅（psi）。弹性模量有不同类型，包括杨氏模量、剪切模量和体积模量，每种类型描述材料在应力下行为的不同方面。例如，杨氏模量测量材料的拉伸弹性，而剪切模量与材料在剪切应力下的变形有关。为了说明弹性模量的重要性，考虑悬索桥的设计。工程师必须确保所用材料能够承受交通和环境因素（如风）施加的动态负荷。通过分析所选材料的弹性模量，他们可以预测桥梁对这些力量的响应，并确保其安全性和耐久性。此外，弹性模量在制造业中也发挥着重要作用。例如，在复合材料的生产中，了解弹性模量对于实现所需的性能特征至关重要。制造商可以通过结合具有不同弹性模量值的材料来定制复合材料的特性，从而生产出满足强度、重量和灵活性特定要求的产品。总之，弹性模量是材料选择和结构设计中的关键参数。其重要性不仅限于工程和建筑领域，还扩展到制造和产品开发等各个领域。对弹性模量的透彻理解使专业人员能够做出明智的决策，确保结构和产品安全、高效且适合其目的。随着技术的进步和新材料的发展，弹性模量的研究将继续演变，推动创新，提升我们建造的环境和日常生活。