tensile modulus

简明释义

拉伸模量

英英释义

例句

1.In composite materials, the tensile modulus can significantly affect performance.

在复合材料中，拉伸模量 可以显著影响性能。

2.Engineers often compare the tensile modulus of different polymers to select the best one for their application.

工程师通常比较不同聚合物的 拉伸模量 以选择最适合其应用的材料。

3.A higher tensile modulus indicates that the material is more rigid.

更高的 拉伸模量 表明材料更为刚性。

4.When designing a bridge, the tensile modulus of the cables must be considered to ensure safety.

在设计桥梁时，必须考虑电缆的 拉伸模量 以确保安全。

5.The tensile modulus measures the stiffness of a material when it is stretched.

拉伸模量 测量材料在受拉时的刚度。

作文

Understanding material properties is crucial in fields such as engineering, materials science, and manufacturing. One of the key properties that engineers often consider is the tensile modulus, which is a measure of a material's stiffness when it is subjected to tension. The tensile modulus (拉伸模量) quantifies how much a material will deform under a given load, making it an essential parameter for predicting how materials will behave in real-world applications.The tensile modulus is defined as the ratio of tensile stress to tensile strain in the linear elastic region of the material's stress-strain curve. This means that when a material is stretched, it will initially deform in a linear manner until it reaches its yield point. The tensile modulus provides insights into the material's ability to resist deformation; a higher value indicates a stiffer material that will deform less under the same load compared to a material with a lower tensile modulus.For example, metals typically exhibit high tensile modulus values, meaning they are very stiff and do not stretch easily. In contrast, polymers may have lower tensile modulus values, indicating that they can stretch significantly before reaching their breaking point. This difference in behavior is critical when selecting materials for specific applications. Engineers must choose materials not only based on strength but also based on how they will behave under different types of loads.In construction, understanding the tensile modulus is vital for ensuring structural integrity. For example, steel beams used in buildings must have a high tensile modulus to support heavy loads without excessive bending or deformation. On the other hand, materials like rubber, which have a low tensile modulus, are better suited for applications where flexibility and stretchability are required, such as in seals or gaskets.Moreover, the tensile modulus can also be influenced by temperature and the rate of loading. As temperatures increase, some materials may become more flexible, resulting in a lower tensile modulus. Conversely, at lower temperatures, materials may become more rigid, leading to a higher tensile modulus. Understanding these variations is important for engineers who design products that will be exposed to different environmental conditions.In summary, the tensile modulus is a fundamental property that plays a critical role in material selection and engineering design. By understanding the implications of the tensile modulus, engineers can make informed decisions that ensure safety, performance, and durability in their projects. Whether it’s in the construction of skyscrapers or the design of everyday products, the tensile modulus remains a key factor in determining how materials will perform under various stresses and strains.

理解材料性能对于工程、材料科学和制造等领域至关重要。工程师经常考虑的关键性能之一是拉伸模量，它是材料在受拉时的刚度的量度。拉伸模量（tensile modulus）量化了材料在给定负载下的变形程度，因此它是预测材料在实际应用中行为的重要参数。拉伸模量被定义为材料应力与应变的比率，在材料的应力-应变曲线的线性弹性区域内。这意味着，当材料被拉伸时，它最初会以线性方式变形，直到达到屈服点。拉伸模量提供了对材料抵抗变形能力的洞察；更高的值表示材料更刚性，在相同负载下变形较小，而较低的拉伸模量材料则会变形更多。例如，金属通常表现出较高的拉伸模量值，这意味着它们非常刚性，不容易拉伸。相比之下，聚合物可能具有较低的拉伸模量值，表明它们可以在达到断裂点之前显著拉伸。这种行为上的差异在选择特定应用的材料时至关重要。工程师必须根据强度和在不同类型负载下的行为来选择材料。在建筑中，了解拉伸模量对于确保结构完整性至关重要。例如，用于建筑物的钢梁必须具有高拉伸模量以支持重负荷而不发生过度弯曲或变形。另一方面，像橡胶这样的材料，具有较低的拉伸模量，更适合用于需要灵活性和可拉伸性的应用，比如密封件或垫圈。此外，拉伸模量还可能受到温度和加载速率的影响。随着温度的升高，一些材料可能变得更加柔韧，从而导致拉伸模量降低。相反，在较低温度下，材料可能会变得更刚性，导致拉伸模量升高。理解这些变化对于设计将在不同环境条件下暴露的产品的工程师来说非常重要。总之，拉伸模量是一个基本属性，在材料选择和工程设计中发挥着关键作用。通过理解拉伸模量的影响，工程师可以做出明智的决策，以确保他们项目的安全性、性能和耐用性。无论是在摩天大楼的建设还是日常产品的设计中，拉伸模量始终是决定材料在各种应力和应变下表现的关键因素。