elastic limit

简明释义

弹性极限

英英释义

例句

1.When testing materials, engineers often measure the elastic limit to ensure quality.

在测试材料时，工程师通常测量弹性极限以确保质量。

2.In engineering, understanding the elastic limit is crucial for designing safe structures.

在工程中，理解弹性极限对设计安全结构至关重要。

3.The elastic limit of steel is significantly higher than that of plastic.

钢的弹性极限明显高于塑料。

4.Rubber bands can stretch beyond their elastic limit, leading to breakage.

橡皮筋可以拉伸超过其弹性极限，导致断裂。

5.The material will deform permanently if the stress exceeds its elastic limit.

如果应力超过其弹性极限，材料将永久变形。

作文

The concept of the elastic limit is fundamental in the field of materials science and engineering. It refers to the maximum amount of stress that a material can withstand while still returning to its original shape once the load is removed. Understanding the elastic limit is crucial for engineers and designers, as it helps them choose the right materials for various applications, ensuring safety and functionality. For instance, when designing a bridge, engineers must consider the elastic limit of the materials used to ensure that they can handle the weight of vehicles and environmental forces without permanent deformation.When a material is subjected to stress, it deforms. If the stress is within the elastic limit, the material will return to its original form once the stress is removed. However, if the stress exceeds this limit, the material enters the plastic deformation phase, where it will not return to its original shape. This distinction is vital in construction and manufacturing, as exceeding the elastic limit can lead to catastrophic failures.For example, consider a rubber band. When you stretch it gently, it returns to its original size after releasing it. However, if you pull it too hard, it may stretch permanently or even break. This behavior illustrates the elastic limit in action. In engineering terms, different materials have different elastic limits. Metals like steel have high elastic limits, which allows them to bear heavy loads without permanent deformation, making them ideal for construction purposes.On the other hand, materials like plastic or softer metals may have lower elastic limits, making them unsuitable for high-stress applications. Thus, understanding the elastic limit aids in selecting the appropriate materials for specific tasks, ensuring that structures and products are safe and durable.Moreover, the elastic limit is not just a theoretical concept; it has practical implications in everyday life. For instance, in sports equipment, the design of items such as tennis rackets or golf clubs relies heavily on the elastic limit of the materials used. Manufacturers conduct extensive testing to determine the elastic limit of various materials to optimize performance and durability.In conclusion, the elastic limit is a critical parameter in the study of materials. It defines the threshold of stress that materials can endure without experiencing permanent deformation. Engineers and designers must take this into account to ensure the safety and effectiveness of their creations. From bridges to sports equipment, a thorough understanding of the elastic limit allows for better decision-making in material selection and application, ultimately leading to safer and more reliable structures and products.

‘弹性极限’的概念在材料科学和工程领域中是基础性的。它指的是材料能够承受的最大应力量，同时在负载移除后仍能恢复到原始形状。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各种应用的材料，确保安全和功能性。例如，在设计桥梁时，工程师必须考虑所用材料的‘弹性极限’，以确保它们能够承受车辆和环境力量的重量而不发生永久变形。当材料受到应力时，它会发生变形。如果应力在‘弹性极限’之内，材料在去除应力后会返回到其原始形状。然而，如果应力超过这个极限，材料会进入塑性变形阶段，此时它将不会恢复到原来的形状。这一区别在建筑和制造中至关重要，因为超过‘弹性极限’可能导致灾难性的失败。例如，考虑一个橡皮筋。当你轻轻拉伸它时，它在释放后会返回到原来的大小。然而，如果你拉得太紧，它可能会永久拉伸或甚至断裂。这种行为生动地说明了‘弹性极限’的作用。在工程术语中，不同的材料有不同的‘弹性极限’。像钢这样的金属具有高‘弹性极限’，这使得它们能够承受重负荷而不发生永久变形，非常适合用于建筑目的。另一方面，像塑料或较软的金属可能具有较低的‘弹性极限’，使它们不适合高应力应用。因此，理解‘弹性极限’有助于选择特定任务的适当材料，确保结构和产品的安全性和耐久性。此外，‘弹性极限’不仅仅是一个理论概念；它在日常生活中也有实际意义。例如，在运动器材中，网球拍或高尔夫球杆等物品的设计在很大程度上依赖于所用材料的‘弹性极限’。制造商进行广泛测试，以确定各种材料的‘弹性极限’，以优化性能和耐用性。总之，‘弹性极限’是材料研究中的一个关键参数。它定义了材料可以承受的应力阈值，而不会经历永久变形。工程师和设计师必须考虑这一点，以确保他们创造的产品的安全性和有效性。从桥梁到运动器材，对‘弹性极限’的透彻理解允许在材料选择和应用中做出更好的决策，最终导致更安全、更可靠的结构和产品。