inelastic deformation

简明释义

非弹性变形

英英释义

例句

1.When the metal rod was subjected to a heavy load, it experienced inelastic deformation 不可逆变形, resulting in a permanent bend.

当金属棒承受重负荷时，它经历了inelastic deformation 不可逆变形，导致永久性弯曲。

2.The engineer noted that the concrete showed signs of inelastic deformation 不可逆变形 after years of stress.

工程师注意到混凝土在多年压力作用下出现了inelastic deformation 不可逆变形的迹象。

3.In geology, rocks can undergo inelastic deformation 不可逆变形 during tectonic activities, leading to faults.

在地质学中，岩石在构造活动中可以经历inelastic deformation 不可逆变形，导致断层的形成。

4.The rubber band showed inelastic deformation 不可逆变形 after being stretched beyond its limit.

橡皮筋在被拉伸超过极限后显示出inelastic deformation 不可逆变形。

5.After the earthquake, many buildings exhibited inelastic deformation 不可逆变形 that required extensive repairs.

地震过后，许多建筑物表现出需要大量修缮的inelastic deformation 不可逆变形。

作文

In the study of materials science and engineering, understanding the properties of different materials is crucial for various applications. One important concept that engineers often encounter is inelastic deformation. This term refers to the permanent change in shape or size of a material when it is subjected to stress beyond its elastic limit. Unlike elastic deformation, where materials return to their original shape after the removal of stress, inelastic deformation indicates that the material has undergone a structural change that cannot be reversed. When a material experiences inelastic deformation, it means that the forces applied have exceeded the yield strength of the material. For example, consider a metal rod that is being pulled. Initially, as the force increases, the rod will stretch, and if the force is removed, it will return to its original length. However, if the force surpasses a certain threshold, the rod will not return to its original length, leading to inelastic deformation. This behavior is critical in engineering applications, as it can affect the integrity and longevity of structures.The implications of inelastic deformation are significant in fields such as construction, automotive design, and aerospace engineering. In construction, materials like concrete and steel must be able to withstand various loads without undergoing permanent deformation. Engineers must carefully select materials with appropriate yield strengths to ensure that buildings and bridges remain safe and functional over time. If a material were to experience inelastic deformation, it could lead to structural failures, posing risks to safety and requiring costly repairs.Similarly, in the automotive industry, components such as chassis and suspension systems are designed to endure forces during operation. Engineers must account for inelastic deformation when designing these parts to ensure they can handle impacts and stresses without failing. If a car's frame were to deform permanently in an accident, it could compromise the vehicle's safety and performance.Moreover, in aerospace engineering, materials must perform under extreme conditions, including high temperatures and pressures. Understanding how materials behave under stress is vital for ensuring the safety of aircraft and spacecraft. The presence of inelastic deformation in critical components could lead to catastrophic failures during flight, making it essential for engineers to choose materials that maintain their integrity under stress.In conclusion, inelastic deformation is a fundamental concept that plays a critical role in the design and analysis of materials in various engineering fields. It signifies a permanent change in the structure of a material when subjected to excessive stress, which can have serious implications for safety and functionality. Engineers must understand this phenomenon to select appropriate materials and design structures that can withstand the forces they will encounter throughout their service life. By considering the effects of inelastic deformation, engineers can create safer, more reliable products that meet the demands of modern society.

在材料科学和工程的研究中，理解不同材料的特性对各种应用至关重要。工程师经常遇到的一个重要概念是不可逆变形。这个术语指的是当材料受到超过其弹性极限的应力时，形状或尺寸的永久变化。与弹性变形不同，在弹性变形中，材料在去除应力后会恢复到其原始形状，而不可逆变形表明材料经历了无法逆转的结构变化。当材料经历不可逆变形时，这意味着施加的力量超过了材料的屈服强度。例如，考虑一根被拉伸的金属杆。最初，随着力量的增加，杆会伸长，如果力量被移除，它将返回到其原始长度。然而，如果力量超过某个阈值，杆将不会返回到其原始长度，从而导致不可逆变形。这种行为在工程应用中至关重要，因为它可能影响结构的完整性和耐久性。不可逆变形的影响在建筑、汽车设计和航空航天工程等领域具有重要意义。在建筑中，混凝土和钢材等材料必须能够承受各种负载而不发生永久变形。工程师必须仔细选择具有适当屈服强度的材料，以确保建筑物和桥梁在时间的推移中保持安全和功能。如果材料经历了不可逆变形，可能会导致结构失效，带来安全风险，并需要昂贵的维修。同样，在汽车行业，底盘和悬挂系统等组件设计为能够承受在操作过程中产生的力量。工程师必须在设计这些部件时考虑不可逆变形，以确保它们能够在不失效的情况下处理冲击和应力。如果一辆车的车架在事故中永久变形，可能会危及车辆的安全和性能。此外，在航空航天工程中，材料必须在极端条件下表现出色，包括高温和高压。理解材料在应力下的行为对于确保飞机和航天器的安全至关重要。关键组件中存在不可逆变形可能导致飞行中的灾难性故障，这使得工程师必须选择能够在应力下保持其完整性的材料。总之，不可逆变形是一个基本概念，在各个工程领域材料的设计和分析中发挥着关键作用。它表示材料在受到过度应力时的永久结构变化，这可能对安全和功能产生严重影响。工程师必须理解这一现象，以选择合适的材料并设计能够承受在其服务生命周期内遇到的力量的结构。通过考虑不可逆变形的影响，工程师可以创造出更安全、更可靠的产品，以满足现代社会的需求。