yielding stress

简明释义

屈服应力

英英释义

例句

1.The yielding stress 屈服应力 of aluminum is significantly lower than that of steel.

铝的yielding stress 屈服应力明显低于钢的。

2.In structural design, it's crucial to know the yielding stress 屈服应力 of steel to prevent failure.

在结构设计中，了解钢材的yielding stress 屈服应力是防止失效的关键。

3.Understanding the yielding stress 屈服应力 helps in selecting the right materials for construction.

了解yielding stress 屈服应力有助于选择合适的建筑材料。

4.The yielding stress 屈服应力 of the composite material was tested under various temperatures.

复合材料的yielding stress 屈服应力在不同温度下进行了测试。

5.The engineer calculated the yielding stress 屈服应力 of the material to ensure it would withstand the applied loads.

工程师计算了材料的yielding stress 屈服应力，以确保它能够承受施加的负荷。

作文

In the field of materials science and engineering, understanding the concept of yielding stress is crucial for assessing the performance and durability of materials under various loading conditions. Yielding stress refers to the stress level at which a material begins to deform plastically. Beyond this point, permanent deformation occurs, meaning that the material will not return to its original shape once the load is removed. This characteristic makes yielding stress a key parameter in designing structures and components that must withstand specific loads during their service life.When engineers design a structure, they must consider the maximum loads that the material will encounter. These loads can come from various sources, including weight, pressure, and environmental factors. To ensure safety and reliability, engineers often select materials with a yielding stress that exceeds the expected loads. For example, steel is commonly used in construction due to its high yielding stress, allowing it to support heavy loads without undergoing significant deformation.The significance of yielding stress extends beyond just structural integrity; it also plays a vital role in manufacturing processes. During fabrication, materials are subjected to various stresses, and understanding their yielding stress helps manufacturers determine the appropriate methods for shaping and forming materials. If the applied stress exceeds the yielding stress, the material may fail or produce defects, leading to costly rework or even catastrophic failures.Moreover, different materials exhibit varying yielding stress values. For instance, metals typically have higher yielding stress compared to polymers, making them suitable for load-bearing applications. On the other hand, polymers may be preferred in applications where flexibility and lightweight characteristics are essential, even though they have lower yielding stress values. This diversity in material properties allows engineers to select the most appropriate materials for specific applications based on their yielding stress and other mechanical properties.In addition to static loading conditions, yielding stress also plays a critical role in dynamic loading scenarios, such as impact or fatigue loading. When materials are subjected to repeated loading cycles, understanding their yielding stress becomes essential for predicting their lifespan and performance. Engineers use various testing methods to determine the yielding stress of materials, including tensile tests, compression tests, and shear tests. The results of these tests provide valuable data that inform material selection and design decisions.In summary, yielding stress is a fundamental concept in materials science and engineering that significantly impacts the design, manufacturing, and application of materials. By understanding the yielding stress of different materials, engineers can create safe, efficient, and durable structures and components. As technology advances, the exploration of new materials with unique yielding stress characteristics will continue to drive innovation in various industries, from construction to aerospace. Therefore, mastering the concept of yielding stress is essential for anyone involved in the fields of engineering and materials science.

在材料科学和工程领域，理解屈服应力的概念对于评估材料在各种加载条件下的性能和耐久性至关重要。屈服应力是指材料开始发生塑性变形的应力水平。超过这一点后，材料将发生永久变形，这意味着在卸载后材料不会恢复到原始形状。这一特性使得屈服应力成为设计必须承受特定负载的结构和组件的关键参数。当工程师设计结构时，他们必须考虑材料将遇到的最大负载。这些负载可以来自各种来源，包括重量、压力和环境因素。为了确保安全和可靠性，工程师通常选择屈服应力超过预期负载的材料。例如，钢材因其高屈服应力而常用于建筑，能够在不发生显著变形的情况下支持重负载。屈服应力的重要性不仅仅体现在结构完整性上；它在制造过程中也发挥着至关重要的作用。在制造过程中，材料会受到各种应力的影响，理解其屈服应力有助于制造商确定成形和加工材料的适当方法。如果施加的应力超过了屈服应力，材料可能会失效或产生缺陷，从而导致昂贵的返工甚至灾难性的故障。此外，不同材料的屈服应力值各不相同。例如，金属通常具有比聚合物更高的屈服应力，使其适合承载应用。而聚合物则可能在灵活性和轻量特性至关重要的应用中被优先考虑，即使它们的屈服应力值较低。这种材料特性的多样性使工程师能够根据材料的屈服应力及其他机械性能选择最合适的材料用于特定应用。除了静态加载条件外，屈服应力在动态加载场景（如冲击或疲劳加载）中也发挥着关键作用。当材料受到重复加载周期时，理解其屈服应力对于预测其使用寿命和性能变得至关重要。工程师使用各种测试方法来确定材料的屈服应力，包括拉伸测试、压缩测试和剪切测试。这些测试的结果提供了宝贵的数据，帮助指导材料选择和设计决策。总之，屈服应力是材料科学和工程中的一个基本概念，对材料的设计、制造和应用产生重大影响。通过理解不同材料的屈服应力，工程师可以创建安全、高效和耐用的结构和组件。随着技术的进步，探索具有独特屈服应力特性的新的材料将继续推动各个行业的创新，从建筑到航空航天。因此，掌握屈服应力的概念对于任何参与工程和材料科学领域的人来说都是至关重要的。