yield strength

简明释义

屈服强度

英英释义

例句

1.The yield strength of concrete can be affected by the mix design and curing conditions.

混凝土的屈服强度可能会受到配合比设计和养护条件的影响。

2.The yield strength of aluminum is lower than that of steel, making it suitable for lightweight applications.

铝的屈服强度低于钢，这使其适用于轻量级应用。

3.Before selecting a material, we must consider its yield strength to avoid failure during operation.

在选择材料之前，我们必须考虑其屈服强度以避免在操作过程中发生故障。

4.In construction, knowing the yield strength of steel is crucial for designing safe structures.

在建筑中，了解钢材的屈服强度对于设计安全结构至关重要。

5.The engineer calculated the yield strength to ensure the material could withstand the applied loads without permanent deformation.

工程师计算了屈服强度以确保材料能够承受施加的荷载而不发生永久变形。

作文

The concept of yield strength is fundamental in the field of materials science and engineering. It refers to the maximum stress that a material can withstand while still being able to return to its original shape once the load is removed. In simpler terms, it is the point at which a material begins to deform plastically. Understanding yield strength is crucial for engineers and designers because it helps them determine how much load a material can safely bear without permanent deformation or failure.When selecting materials for construction or manufacturing, one of the primary considerations is the yield strength of the materials involved. For instance, in building bridges or skyscrapers, engineers need to ensure that the materials used can handle the forces applied to them throughout their lifetime. If the materials have a low yield strength, they may bend or break under pressure, leading to catastrophic failures.Different materials exhibit varying yield strengths. For example, steel has a much higher yield strength compared to aluminum. This is why steel is often used in structural applications where high strength is required. On the other hand, aluminum, while lighter and resistant to corrosion, may not be suitable for applications that demand high load-bearing capacity. Therefore, understanding the yield strength of materials allows engineers to make informed decisions based on the specific requirements of their projects.In addition to its importance in construction, the concept of yield strength also plays a significant role in the manufacturing of products. For instance, when creating components for vehicles, manufacturers must consider the yield strength of the materials used to ensure safety and durability. A car's frame needs to withstand impacts without deforming, which is why high yield strength materials are often chosen for such applications.Moreover, the yield strength of a material can be affected by various factors, including temperature, strain rate, and the presence of impurities. For example, metals often become more ductile at higher temperatures, which can lower their yield strength. Conversely, cold working a metal can increase its yield strength due to the introduction of dislocations within its crystal structure. Thus, engineers must take these factors into account when designing products and structures.Testing for yield strength typically involves applying a tensile load to a sample of the material until it deforms. The stress at which the material begins to yield is recorded as its yield strength. This information is critical for quality control in manufacturing processes, ensuring that materials meet the necessary specifications before they are used in production.In conclusion, the concept of yield strength is vital in both engineering and materials science. It helps professionals understand how materials behave under stress and guides them in making choices that ensure safety and reliability in their designs. By grasping the significance of yield strength, engineers can prevent failures and create structures and products that stand the test of time. As technology advances, the study of yield strength continues to evolve, leading to the development of new materials with enhanced properties that can better meet the demands of modern engineering challenges.

屈服强度的概念在材料科学和工程领域中是基础性的。它指的是材料在去除负载后仍能恢复到原始形状时所能承受的最大应力。简单来说，它是材料开始发生塑性变形的点。理解屈服强度对于工程师和设计师至关重要，因为它帮助他们确定材料可以安全承受多少负载，而不会发生永久变形或失败。在选择建筑或制造材料时，主要考虑因素之一是相关材料的屈服强度。例如，在建造桥梁或摩天大楼时，工程师需要确保所用材料能够承受其整个生命周期内施加的力量。如果材料的屈服强度较低，它们可能会在压力下弯曲或断裂，从而导致灾难性的故障。不同材料表现出不同的屈服强度。例如，钢的屈服强度远高于铝。这就是为什么钢通常用于需要高强度的结构应用。而铝虽然更轻且耐腐蚀，但可能不适合要求高承载能力的应用。因此，理解材料的屈服强度使工程师能够根据项目的具体要求做出明智的决策。除了在建筑中的重要性外，屈服强度的概念在产品制造中也起着重要作用。例如，在为车辆制造组件时，制造商必须考虑所用材料的屈服强度，以确保安全性和耐用性。汽车框架需要承受冲击而不发生变形，这就是为什么在此类应用中经常选择高屈服强度材料。此外，材料的屈服强度可能会受到多种因素的影响，包括温度、应变速率和杂质的存在。例如，金属在高温下通常变得更具延展性，这可能降低其屈服强度。相反，冷加工金属可以通过在其晶体结构中引入位错来提高其屈服强度。因此，工程师在设计产品和结构时必须考虑这些因素。屈服强度的测试通常涉及对材料样品施加拉伸负载，直到其变形为止。材料开始屈服时的应力被记录为其屈服强度。这些信息对于制造过程中的质量控制至关重要，确保材料在用于生产之前符合必要的规格。总之，屈服强度的概念在工程和材料科学中至关重要。它帮助专业人士理解材料在应力下的行为，并指导他们做出确保设计安全和可靠的选择。通过掌握屈服强度的重要性，工程师可以防止故障，并创造出经得起时间考验的结构和产品。随着技术的进步，屈服强度的研究不断发展，导致新材料的开发，其性能得到增强，更好地满足现代工程挑战的需求。