limit of elasticity

简明释义

弹性极限

英英释义

The limit of elasticity refers to the maximum extent to which a material can be deformed elastically (i.e., without permanent deformation) when a stress is applied, beyond which the material will no longer return to its original shape.

弹性极限是指材料在施加应力时可以弹性变形(即不产生永久变形)的最大程度,超过此极限后,材料将无法恢复到其原始形状。

例句

1.In construction, exceeding the limit of elasticity 弹性极限 can lead to catastrophic failures.

在建筑中,超过limit of elasticity 弹性极限 可能导致灾难性的故障。

2.Understanding the limit of elasticity 弹性极限 helps in predicting how materials will behave under stress.

了解limit of elasticity 弹性极限 有助于预测材料在应力下的行为。

3.When designing bridges, it's essential to consider the limit of elasticity 弹性极限 of the materials used.

在设计桥梁时,考虑所用材料的limit of elasticity 弹性极限 是至关重要的。

4.The limit of elasticity 弹性极限 of rubber allows it to stretch without permanent deformation.

橡胶的limit of elasticity 弹性极限 使其能够在不发生永久变形的情况下拉伸。

5.The engineer explained that the limit of elasticity 弹性极限 for this material is critical for ensuring structural integrity.

工程师解释说,这种材料的limit of elasticity 弹性极限 对确保结构完整性至关重要。

作文

The concept of the limit of elasticity is fundamental in both physics and engineering, particularly when analyzing materials under stress. It refers to the maximum extent to which a material can be deformed elastically, meaning it will return to its original shape once the stress is removed. Beyond this point, the material will undergo plastic deformation, leading to permanent changes in its structure. Understanding the limit of elasticity is crucial for engineers and designers, as it helps them select appropriate materials for construction and manufacturing processes.In practical terms, the limit of elasticity is typically measured through tensile tests, where a sample material is stretched until it reaches its breaking point. The results of these tests provide valuable data on how much load a material can handle before it starts to deform permanently. For example, steel has a high limit of elasticity, making it an ideal choice for building structures that require strength and durability. Conversely, rubber has a low limit of elasticity, which allows it to stretch significantly without breaking, making it suitable for applications like tires and seals.The importance of understanding the limit of elasticity extends beyond just material selection. It also plays a critical role in safety assessments and risk management. Engineers must ensure that structures can withstand expected loads without exceeding the limit of elasticity of the materials used. If a bridge or a building is designed without considering these limits, it could lead to catastrophic failures, resulting in loss of life and significant economic damage.Moreover, the limit of elasticity can vary significantly between different materials and even within the same material under different conditions. Factors such as temperature, humidity, and the presence of impurities can all affect a material's elasticity. Therefore, engineers must conduct thorough analyses and tests to determine the limit of elasticity for the specific conditions in which their materials will be used.In conclusion, the limit of elasticity is a vital concept that influences many aspects of engineering and material science. By understanding this limit, professionals can make informed decisions about material selection, design processes, and safety measures. As technology advances and new materials are developed, the study of the limit of elasticity will continue to evolve, providing deeper insights into the behavior of materials under stress and contributing to safer and more efficient engineering practices.

弹性极限的概念在物理学和工程学中是基础性的,特别是在分析材料承受应力时。它指的是材料在弹性变形下可以被变形的最大程度,意味着一旦去除应力,材料将恢复到其原始形状。超过这一点,材料将经历塑性变形,导致其结构发生永久性变化。理解弹性极限对工程师和设计师至关重要,因为它帮助他们选择适合建筑和制造过程的材料。在实际操作中,弹性极限通常通过拉伸试验来测量,其中样品材料被拉伸直到达到断裂点。这些测试的结果提供了有关材料在开始永久变形之前能够承受多少负载的宝贵数据。例如,钢材具有较高的弹性极限,使其成为需要强度和耐久性的建筑结构的理想选择。相反,橡胶的弹性极限较低,这使其能够在不破裂的情况下显著拉伸,适用于轮胎和密封件等应用。理解弹性极限的重要性不仅限于材料选择。它在安全评估和风险管理中也起着关键作用。工程师必须确保结构能够承受预期负载,而不会超过所用材料的弹性极限。如果一座桥梁或建筑物在设计时没有考虑这些极限,可能会导致灾难性的失败,造成生命损失和重大经济损失。此外,弹性极限在不同材料之间甚至在同一材料的不同条件下可能会有显著的差异。温度、湿度和杂质的存在等因素都可能影响材料的弹性。因此,工程师必须进行全面的分析和测试,以确定在特定条件下其材料的弹性极限。总之,弹性极限是影响工程和材料科学许多方面的重要概念。通过理解这一极限,专业人士可以在材料选择、设计过程和安全措施方面做出明智的决策。随着技术的进步和新材料的发展,弹性极限的研究将继续发展,为材料在应力下的行为提供更深刻的见解,并有助于更安全和更高效的工程实践。