ultimate tensile strength

简明释义

极限抗拉强度

英英释义

例句

1.Engineers must ensure that the ultimate tensile strength of the cables used in bridges can withstand heavy loads.

工程师必须确保用于桥梁的电缆的极限拉伸强度能够承受重载。

2.A higher ultimate tensile strength indicates a stronger material, which is essential for aerospace applications.

更高的极限拉伸强度表示材料更强，这对航空航天应用至关重要。

3.Testing the ultimate tensile strength of metals helps in predicting their performance under stress.

测试金属的极限拉伸强度有助于预测它们在应力下的表现。

4.The ultimate tensile strength of polymers varies significantly depending on their composition.

聚合物的极限拉伸强度因其成分而显著不同。

5.The material's ultimate tensile strength is crucial for determining its suitability in construction projects.

材料的极限拉伸强度对于确定其在建筑项目中的适用性至关重要。

作文

In the field of materials science, understanding the mechanical properties of materials is crucial for various applications. One of the most important characteristics that engineers and scientists focus on is the ultimate tensile strength. This term refers to the maximum amount of tensile stress that a material can withstand before failure occurs. In simpler terms, it indicates how much pulling force a material can handle without breaking. The ultimate tensile strength is typically measured in units such as megapascals (MPa) or pounds per square inch (psi). This property is essential for selecting materials for construction, manufacturing, and engineering projects.The concept of ultimate tensile strength is particularly significant when designing structures that must bear weight or resist forces. For example, in the construction of bridges, buildings, and other infrastructures, engineers must choose materials that can support the expected loads while maintaining safety and reliability. If a material has a low ultimate tensile strength, it may fail under stress, leading to catastrophic consequences. Therefore, understanding this property helps in making informed decisions about material selection.Different materials exhibit varying levels of ultimate tensile strength. Metals, for instance, generally have high tensile strengths, making them suitable for heavy-duty applications. Steel, which is widely used in construction, has an ultimate tensile strength ranging from 370 to 700 MPa, depending on its alloy composition. On the other hand, materials like rubber or plastics tend to have lower tensile strengths, which limit their use in load-bearing applications. By comparing the ultimate tensile strength of different materials, engineers can identify the best options for specific projects.Testing the ultimate tensile strength of materials involves subjecting samples to controlled tension until they break. During this process, engineers can observe how the material behaves under stress, including its elasticity, yield strength, and ultimate failure point. This data is invaluable for predicting how materials will perform in real-world conditions, allowing for better design and safety measures.Moreover, advancements in technology have led to the development of new materials with enhanced ultimate tensile strength. For instance, composites and alloys are engineered to combine the best properties of different materials, resulting in products that are both lightweight and strong. These innovations are particularly beneficial in industries such as aerospace and automotive, where performance and safety are paramount.In conclusion, the ultimate tensile strength of a material is a fundamental property that plays a vital role in engineering and design. It not only helps in selecting appropriate materials for various applications but also ensures the safety and effectiveness of structures and products. As technology continues to advance, our understanding and manipulation of this property will lead to even greater achievements in material science and engineering. By prioritizing the ultimate tensile strength in material selection, we can build a safer and more efficient future.

在材料科学领域，理解材料的机械性能对各种应用至关重要。工程师和科学家关注的最重要特性之一是极限抗拉强度。这个术语指的是材料在发生破坏之前能够承受的最大拉应力。简单来说，它表示材料在不破裂的情况下可以承受多少拉力。极限抗拉强度通常以兆帕（MPa）或每平方英寸磅（psi）为单位进行测量。这一特性对于选择建筑、制造和工程项目的材料至关重要。极限抗拉强度的概念在设计必须承重或抵抗力量的结构时尤为重要。例如，在桥梁、建筑物和其他基础设施的建设中，工程师必须选择能够支撑预期负载的材料，同时保持安全性和可靠性。如果一种材料的极限抗拉强度较低，它可能会在压力下失效，导致灾难性的后果。因此，理解这一特性有助于做出有关材料选择的明智决策。不同材料表现出不同水平的极限抗拉强度。例如，金属通常具有较高的抗拉强度，使其适合重型应用。钢材广泛用于建筑，其极限抗拉强度根据合金成分的不同，范围从370到700 MPa。另一方面，橡胶或塑料等材料的抗拉强度较低，这限制了它们在承重应用中的使用。通过比较不同材料的极限抗拉强度，工程师可以确定特定项目的最佳选择。测试材料的极限抗拉强度涉及将样品置于控制张力下，直到它们断裂。在此过程中，工程师可以观察材料在应力下的表现，包括其弹性、屈服强度和最终破坏点。这些数据对预测材料在现实条件下的表现至关重要，从而允许更好的设计和安全措施。此外，技术的进步导致了新材料的开发，这些材料具有增强的极限抗拉强度。例如，复合材料和合金经过设计，以结合不同材料的最佳特性，从而产生既轻便又坚固的产品。这些创新在航空航天和汽车等行业特别有益，因为这些行业对性能和安全性要求很高。总之，材料的极限抗拉强度是一个基本属性，在工程和设计中发挥着至关重要的作用。它不仅有助于选择适合各种应用的材料，还确保结构和产品的安全性和有效性。随着技术的不断进步，我们对这一属性的理解和操控将推动材料科学和工程领域取得更大的成就。通过优先考虑材料的极限抗拉强度，我们可以构建一个更安全、更高效的未来。