upper yield point

简明释义

上屈服点

英英释义

例句

1.In the context of metal forming, the upper yield point 上屈服点 defines the transition from elastic to plastic deformation.

在金属成形的背景下，上屈服点定义了从弹性变形到塑性变形的过渡。

2.Understanding the upper yield point 上屈服点 helps in predicting how materials will behave under stress.

理解上屈服点有助于预测材料在应力下的行为。

3.The upper yield point 上屈服点 of this alloy is significantly higher than that of its competitors, making it ideal for structural applications.

这种合金的上屈服点明显高于其竞争对手，使其非常适合结构应用。

4.The material exhibited a clear upper yield point 上屈服点 during the tensile test, indicating its maximum stress capacity.

在拉伸测试中，该材料表现出明显的上屈服点，表明其最大应力承载能力。

5.Engineers must consider the upper yield point 上屈服点 when designing components that will be subjected to high loads.

工程师在设计将承受高负荷的部件时必须考虑上屈服点。

作文

In the field of material science and engineering, understanding the mechanical properties of materials is crucial for designing and manufacturing various structures and components. One of the key concepts in this area is the concept of yield strength, specifically the upper yield point. The upper yield point refers to the maximum stress that a material can withstand while still maintaining its original shape before it begins to deform permanently. This point is critical because it marks the transition from elastic behavior, where the material will return to its original shape when the load is removed, to plastic behavior, where permanent deformation occurs. When a material is subjected to stress, it initially behaves elastically, meaning that it will return to its original dimensions after the stress is removed. However, as the stress increases, the material eventually reaches the upper yield point. Beyond this point, the material will undergo plastic deformation, which means that even if the load is removed, the material will not return to its original shape. This phenomenon is especially important in applications where materials are subjected to high loads, such as in construction, automotive, and aerospace industries.Understanding the upper yield point is essential for engineers and designers because it helps them select appropriate materials for specific applications. For example, in the construction of buildings and bridges, materials must be able to withstand significant loads without permanently deforming. If the materials used have a low upper yield point, they may fail under stress, leading to catastrophic consequences. Therefore, engineers must carefully consider the mechanical properties of materials, including their yield points, to ensure safety and reliability.Moreover, the upper yield point can vary significantly among different materials. Metals, for instance, often exhibit a distinct upper yield point due to their crystalline structure, while polymers may not have a clear yield point at all. This variability necessitates thorough testing and analysis to determine the appropriate materials for different applications. Standard tests, such as tensile tests, are commonly used to measure the yield strength of materials and identify their upper yield point. In conclusion, the upper yield point is a fundamental concept in material science that plays a vital role in the design and selection of materials for various applications. By understanding this concept, engineers can make informed decisions that enhance the safety and performance of structures and components. As technology advances and new materials are developed, the importance of understanding yield points, especially the upper yield point, will continue to grow, ensuring that we can build stronger and more reliable systems in the future.

在材料科学和工程领域，理解材料的机械性能对于设计和制造各种结构和组件至关重要。其中一个关键概念是屈服强度，特别是上屈服点。上屈服点指的是材料在保持其原始形状的情况下可以承受的最大应力，此时它开始发生永久变形。这个点是关键，因为它标志着弹性行为的转变，在此状态下，材料在去除负载后会恢复到其原始形状，而塑性行为则表示发生了永久变形。当材料受到应力时，它最初表现出弹性，这意味着在去除应力后，它会恢复到原始尺寸。然而，随着应力的增加，材料最终会达到上屈服点。超过这一点，材料将经历塑性变形，这意味着即使去除负载，材料也不会恢复到其原始形状。这个现象在材料承受高负荷的应用中尤为重要，例如建筑、汽车和航空航天工业。理解上屈服点对工程师和设计师来说至关重要，因为它帮助他们为特定应用选择合适的材料。例如，在建筑物和桥梁的建设中，材料必须能够承受显著的负荷而不发生永久变形。如果所用材料的上屈服点较低，它们可能在应力下失效，导致灾难性的后果。因此，工程师必须仔细考虑材料的机械性能，包括它们的屈服点，以确保安全性和可靠性。此外，不同材料的上屈服点可能有显著差异。例如，金属由于其晶体结构，通常表现出明显的上屈服点，而聚合物可能根本没有明确的屈服点。这种变异性需要通过彻底的测试和分析来确定不同应用的适当材料。标准测试，如拉伸测试，通常用于测量材料的屈服强度并识别其上屈服点。总之，上屈服点是材料科学中的一个基本概念，在各种应用的材料设计和选择中发挥着重要作用。通过理解这一概念，工程师可以做出明智的决策，从而增强结构和组件的安全性和性能。随着技术的进步和新材料的发展，理解屈服点，尤其是上屈服点的重要性将继续增长，确保我们能够在未来构建更强大和更可靠的系统。