yield point

简明释义

屈服点屈服点

英英释义

例句

1.The material reached its yield point after being subjected to high stress.

材料在承受高应力后达到了它的屈服点。

2.The yield point of steel is crucial for construction projects.

钢材的屈服点对建筑项目至关重要。

3.When the load exceeded the yield point, the beam began to deform permanently.

当负载超过屈服点时，梁开始永久变形。

4.Engineers must consider the yield point when designing structures to ensure safety.

工程师在设计结构时必须考虑屈服点以确保安全。

5.Understanding the yield point helps in predicting material failure.

理解屈服点有助于预测材料失效。

作文

In the field of materials science and engineering, understanding the concept of yield point is crucial for predicting how materials behave under stress. The yield point refers to the stress at which a material begins to deform plastically. Before reaching this point, a material will deform elastically, meaning it can return to its original shape when the load is removed. However, once the yield point is surpassed, the material will undergo permanent deformation. This characteristic is particularly important in construction and manufacturing, where materials must withstand various forces without failing.For instance, consider the construction of a bridge. Engineers must select materials that can support the weight of vehicles and withstand environmental factors such as wind and earthquakes. If the material used has a low yield point, it may bend or break under stress, leading to catastrophic failures. Therefore, understanding the yield point helps engineers choose the right materials and design structures that are safe and durable.Moreover, the yield point is not a fixed value; it can vary based on several factors, including temperature, strain rate, and the presence of impurities in the material. For example, metals typically have a higher yield point at lower temperatures, while polymers may exhibit a decrease in their yield point when exposed to heat. This variability makes it essential for engineers to conduct thorough testing and analysis of materials before use.Additionally, the yield point is an important consideration in the manufacturing process. During processes like forging, welding, or machining, understanding the yield point of the material allows manufacturers to apply the correct amount of force without damaging the material. For example, if a metal is heated and then shaped, the manufacturer must ensure that the applied force does not exceed the yield point to avoid creating defects or weaknesses in the final product.In summary, the yield point is a fundamental concept in materials science that plays a critical role in engineering and manufacturing. It determines how materials respond to stress and helps engineers make informed decisions about material selection and structural design. By understanding the yield point, professionals can ensure the safety and reliability of structures and products, ultimately leading to better performance and longevity. As we continue to develop new materials and technologies, the importance of the yield point will remain a key factor in ensuring the effectiveness of our designs and constructions.

在材料科学和工程领域，理解屈服点的概念对于预测材料在应力下的行为至关重要。屈服点是指材料开始发生塑性变形的应力。在达到这一点之前，材料会发生弹性变形，这意味着当负载被移除时，它可以恢复到原来的形状。然而，一旦超过屈服点，材料将经历永久变形。这一特性在建筑和制造中尤为重要，因为材料必须承受各种力量而不失败。例如，考虑桥梁的建设。工程师必须选择能够支撑车辆重量并抵御风和地震等环境因素的材料。如果所用材料的屈服点较低，则可能在应力下弯曲或断裂，从而导致灾难性的失败。因此，理解屈服点有助于工程师选择合适的材料并设计安全耐用的结构。此外，屈服点不是一个固定值；它可以根据多个因素变化，包括温度、应变速率和材料中杂质的存在。例如，金属通常在较低温度下具有较高的屈服点，而聚合物在暴露于热量时可能会出现屈服点下降。这种变异性使得工程师在使用之前进行彻底测试和分析材料至关重要。此外，屈服点在制造过程中也是一个重要的考虑因素。在锻造、焊接或加工等过程中，理解材料的屈服点使制造商能够施加正确的力量，而不会损坏材料。例如，如果金属被加热然后成形，制造商必须确保施加的力量不超过屈服点，以避免在最终产品中产生缺陷或弱点。总之，屈服点是材料科学中的一个基本概念，在工程和制造中发挥着关键作用。它决定了材料如何响应应力，并帮助工程师在材料选择和结构设计上做出明智的决策。通过理解屈服点，专业人士可以确保结构和产品的安全性和可靠性，最终实现更好的性能和耐用性。随着我们继续开发新材料和新技术，屈服点的重要性将始终是确保我们设计和建造有效性的关键因素。