yield point

简明释义

屈服点

英英释义

例句

1.The engineer calculated the yield point of the steel to ensure it would withstand the applied loads.

工程师计算了钢材的屈服点以确保它能够承受施加的负载。

2.The yield point of aluminum is lower than that of steel, making it suitable for lighter structures.

铝的屈服点低于钢，使其适合用于较轻的结构。

3.When designing a bridge, engineers must consider the yield point of the materials used to avoid structural failure.

在设计桥梁时，工程师必须考虑所用材料的屈服点以避免结构失效。

4.In material science, the yield point is critical for determining how materials will behave under stress.

在材料科学中，屈服点对于确定材料在应力下的表现至关重要。

5.Understanding the yield point helps in predicting when a material will deform permanently.

理解屈服点有助于预测材料何时会发生永久变形。

作文

In the field of materials science and engineering, the term yield point refers to the stress at which a material begins to deform plastically. Beyond this point, the material will not return to its original shape when the applied stress is removed. Understanding the yield point is crucial for engineers and designers as it helps them determine the limits of a material's performance under various loads. For example, in construction, knowing the yield point of steel beams is essential to ensure that they can support the weight of the structure without undergoing permanent deformation.When a material is subjected to stress, it exhibits elastic behavior up to the yield point. This means that any deformation is temporary and the material will revert to its original dimensions once the load is removed. However, once the stress exceeds the yield point, the material enters the plastic deformation stage, where it starts to change shape permanently. This transition is significant because it indicates the maximum load that can be applied without causing irreversible damage.Different materials have different yield points. For instance, metals like steel have high yield points, making them suitable for construction and manufacturing applications. On the other hand, materials like rubber have low yield points, which allows them to stretch and compress easily but limits their use in structural applications. Therefore, selecting the right material for a specific application requires a thorough understanding of its yield point and other mechanical properties.The concept of yield point is also vital in the context of safety and reliability. Engineers often design structures with a safety factor, which is a margin of safety that accounts for unexpected loads or material imperfections. By knowing the yield point, engineers can calculate the maximum allowable load and ensure that the structure remains safe under various conditions. This careful consideration helps prevent catastrophic failures that could result from exceeding the yield point of a material.In addition to its importance in engineering, the yield point also plays a role in various industries, such as automotive, aerospace, and manufacturing. For example, in the automotive industry, understanding the yield point of materials used in car frames and body panels is crucial for ensuring vehicle safety during crashes. Manufacturers must carefully select materials with appropriate yield points to balance performance, weight, and cost.In conclusion, the yield point is a fundamental concept in materials science that defines the limit of elastic deformation for a material. It is critical for engineers and designers to understand this property to ensure safety, reliability, and performance in various applications. By considering the yield point and selecting appropriate materials, professionals can create structures and products that meet the demands of modern society while minimizing the risk of failure. The significance of the yield point extends beyond theoretical understanding; it has practical implications that affect our daily lives, from the buildings we inhabit to the vehicles we drive.

在材料科学和工程领域，术语屈服点指的是材料开始发生塑性变形的应力水平。超过这一点，材料在施加的应力去除后将无法恢复到其原始形状。理解屈服点对于工程师和设计师至关重要，因为它帮助他们确定材料在各种负载下的性能极限。例如，在建筑中，了解钢梁的屈服点对于确保它们能够支持结构的重量而不发生永久变形是必不可少的。当材料受到应力时，它在屈服点之前表现出弹性行为。这意味着任何变形都是暂时的，一旦负载被移除，材料将恢复到其原始尺寸。然而，一旦应力超过屈服点，材料进入塑性变形阶段，开始发生永久性的形状变化。这一转变是显著的，因为它标志着可以施加而不会造成不可逆损伤的最大负载。不同材料具有不同的屈服点。例如，像钢这样的金属具有高屈服点，使它们适合用于建筑和制造应用。另一方面，像橡胶这样的材料具有低屈服点，这使得它们可以轻松拉伸和压缩，但限制了它们在结构应用中的使用。因此，为特定应用选择合适的材料需要对其屈服点和其他机械性能有透彻的理解。屈服点的概念在安全性和可靠性方面也至关重要。工程师通常以安全系数设计结构，这是一个考虑到意外负载或材料缺陷的安全裕度。通过了解屈服点，工程师可以计算最大允许负载，并确保结构在各种条件下保持安全。这种细致的考虑有助于防止因超过材料的屈服点而导致的灾难性故障。除了在工程中的重要性外，屈服点还在汽车、航空航天和制造等各个行业中发挥作用。例如，在汽车行业，了解用于汽车框架和车身面板的材料的屈服点对于确保车辆在碰撞中的安全至关重要。制造商必须仔细选择具有适当屈服点的材料，以平衡性能、重量和成本。总之，屈服点是材料科学中的一个基本概念，定义了材料的弹性变形极限。工程师和设计师理解这一属性对于确保各种应用的安全性、可靠性和性能至关重要。通过考虑屈服点并选择合适的材料，专业人士可以创建满足现代社会需求的结构和产品，同时最小化故障风险。屈服点的重要性超越了理论理解；它在影响我们日常生活的实际应用中具有深远的影响，从我们居住的建筑到我们驾驶的车辆。