yield point

简明释义

屈服点

英英释义

例句

1.The material reached its yield point 屈服点 and began to deform permanently.

材料达到了它的yield point 屈服点，并开始永久变形。

2.Engineers must consider the yield point 屈服点 when designing structures to ensure they can withstand loads.

工程师在设计结构时必须考虑yield point 屈服点，以确保它们能够承受负荷。

3.Understanding the yield point 屈服点 helps in predicting the failure of materials.

了解yield point 屈服点有助于预测材料的失效。

4.The yield point 屈服点 of this alloy is higher than that of pure steel.

这种合金的yield point 屈服点高于纯钢。

5.At temperatures above the yield point 屈服点, the metal loses its strength.

在超过yield point 屈服点的温度下，金属失去了其强度。

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 once the applied stress is removed. Understanding the yield point is crucial for engineers and designers as it helps them determine the limits of materials under various loads. For instance, when designing structures such as bridges or buildings, knowing the yield point of the materials used allows engineers to ensure that these structures can withstand forces without undergoing permanent deformation.The yield point is typically measured in units of pressure, such as pascals (Pa) or pounds per square inch (psi). Different materials have different yield points, which can be influenced by factors such as temperature, alloying elements, and the manufacturing process. For example, steel has a high yield point, making it an ideal choice for construction purposes. Conversely, softer materials like rubber have a much lower yield point, limiting their use in load-bearing applications.In practical applications, engineers often conduct tests to determine the yield point of materials. One common method is the tensile test, where a sample material is stretched until it deforms. The results of this test provide valuable information about the material's mechanical properties, including its yield point. This information is essential for predicting how a material will behave under real-world conditions.Moreover, the concept of the yield point is not only limited to solid materials but also applies to other states of matter, such as fluids. In fluid mechanics, the yield point can refer to the stress level at which a fluid begins to flow. This is particularly important in industries such as oil and gas, where understanding the flow characteristics of drilling muds and other fluids can significantly impact operational efficiency.In conclusion, the yield point is a fundamental concept in materials science that plays a critical role in engineering design and analysis. By understanding the yield point of materials, engineers can make informed decisions that enhance safety, performance, and longevity in their projects. As technology advances and new materials are developed, the significance of accurately determining the yield point will continue to grow, ensuring that structures and products meet the demands of modern society.

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。在这个点之后，材料在去除施加的应力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极限。例如，在设计桥梁或建筑物等结构时，了解所使用材料的屈服点可以确保这些结构能够承受力而不会发生永久变形。屈服点通常以压力单位进行测量，如帕斯卡（Pa）或每平方英寸磅（psi）。不同材料具有不同的屈服点，这可能受到温度、合金元素和制造工艺等因素的影响。例如，钢材具有很高的屈服点，使其成为建筑用途的理想选择。相反，像橡胶这样的柔软材料具有较低的屈服点，限制了其在承重应用中的使用。在实际应用中，工程师通常会进行测试来确定材料的屈服点。一种常见的方法是拉伸试验，其中样品材料被拉伸直到变形。此测试的结果提供了有关材料机械性能的宝贵信息，包括其屈服点。这些信息对于预测材料在现实条件下的行为至关重要。此外，屈服点的概念不仅限于固体材料，还适用于其他物态，如流体。在流体力学中，屈服点可以指流体开始流动的应力水平。这在石油和天然气等行业尤为重要，因为理解钻井泥浆和其他流体的流动特性可以显著影响操作效率。总之，屈服点是材料科学中的一个基本概念，在工程设计和分析中发挥着关键作用。通过了解材料的屈服点，工程师可以做出明智的决策，提高项目的安全性、性能和耐久性。随着技术的发展和新材料的开发，准确确定屈服点的重要性将继续增长，确保结构和产品满足现代社会的需求。