Apparent Elastic Limit
Apparent elastic limit，简称为AEL，是指材料在受到拉伸载荷时，其应变能开始增加但尚未破坏的极限应力。这个概念在材料力学和工程学中非常重要，因为它可以帮助我们了解材料的强度和韧性，从而在设计、制造和使用材料时做出更明智的决策。
发音：/??p?r?nt ?sel?st ?l?m?t/
英语范文：
假设我们正在设计一款桥梁，需要考虑到它的强度和韧性。根据apparent elastic limit的知识，我们可以选择使用具有较高AEL的材料来建造桥梁，以确保它在承受重载时不会发生破坏。同时，我们还需要考虑到材料的韧性，以确保即使在受到冲击时，桥梁也不会突然断裂。
注：以上内容为假设情景下的应用，实际应用中需要考虑更多因素。
音标和基础释义：
Apparent elastic limit [??p?r?nt?] - 形容词，表面上的，看似
Elastic limit [??sel?st] - 弹性极限，指材料在受到拉伸载荷时能够承受的最大应力
应变能 [?n?ve?n?m?nt] - 材料在受到外力作用时产生的能量
开始增加 [b??g?n ?n?d?r??n] - 开始发生某种变化或进展
破坏 [?bre?d?v] - 材料因超过极限应力而发生损坏或失效
材料力学 [m?t?r ?li?kθ?s] - 研究材料在各种载荷下的行为和性能的学科
工程学 [?n?g?n?s?s] - 研究如何将科学技术原理应用于实际工程问题的学科
Apparent Elastic Limit
The apparent elastic limit, also known as the apparent limit of elasticity, is a fundamental concept in mechanics of materials. It refers to the maximum stress that a material can withstand before undergoing permanent deformation.
In everyday life, we encounter many materials that exhibit elastic behavior. These materials, such as rubber, steel, and plastic, can return to their original shape after being deformed. However, there is a limit to how much stress these materials can withstand before they undergo permanent deformation. This limit is the apparent elastic limit.
In engineering applications, it is important to understand the apparent elastic limit of materials used in structures and components. Knowing this limit allows designers to ensure that structures will not undergo permanent deformation under expected loads, thereby ensuring their safety and reliability.
In a mechanical engineering project, for example, we may need to design a steel beam that will support a certain weight without undergoing permanent deformation. To do this, we need to calculate the apparent elastic limit of the steel beam material, and ensure that it is greater than the expected load.
In summary, the apparent elastic limit is an important concept in mechanics of materials that helps us understand the behavior of materials under stress. Understanding this concept is crucial for ensuring the safety and reliability of engineering designs and products.
apparent elastic limit
The apparent elastic limit refers to the maximum stress that a material can withstand before undergoing permanent deformation. This limit is determined by the material's properties and the loading conditions.
In engineering applications, the apparent elastic limit is important in ensuring the safety and reliability of structures and components. When designing structures, engineers must consider the apparent elastic limit of the materials used to ensure that they can withstand expected loads without undergoing permanent deformation.
In some cases, materials may exceed their apparent elastic limit without undergoing permanent deformation, resulting in a phenomenon known as "plastic strain." Plastic strain occurs when a material experiences a temporary deformation that cannot be recovered through stress reduction or relaxation.
Example: Consider a steel beam that is subjected to a load greater than its apparent elastic limit. Initially, the beam will experience elastic deformation, but as the load continues to increase, the beam will undergo plastic deformation, resulting in permanent deformation.
In summary, the apparent elastic limit is an important concept in materials science and engineering that helps engineers design structures and components that are safe and reliable.
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