ultimate tensile stress

简明释义

极限抗拉应力

英英释义

Ultimate tensile stress (UTS) is the maximum stress that a material can withstand while being stretched or pulled before failing or breaking.

极限拉伸应力(UTS)是材料在被拉伸或拉扯时能够承受的最大应力,超过此应力后会发生失效或断裂。

例句

1.During the test, we found that the ultimate tensile stress 极限拉伸应力 of the material was significantly higher than expected.

在测试过程中,我们发现材料的ultimate tensile stress 极限拉伸应力明显高于预期。

2.The manufacturer provided data on the ultimate tensile stress 极限拉伸应力 of the new polymer used in the product.

制造商提供了新产品中使用的聚合物的ultimate tensile stress 极限拉伸应力数据。

3.The engineer calculated the ultimate tensile stress 极限拉伸应力 of the steel to ensure it could withstand the loads.

工程师计算了钢材的ultimate tensile stress 极限拉伸应力,以确保它能够承受负荷。

4.In our lab, we routinely measure the ultimate tensile stress 极限拉伸应力 of various metals.

在我们的实验室中,我们定期测量各种金属的ultimate tensile stress 极限拉伸应力

5.Understanding the ultimate tensile stress 极限拉伸应力 is crucial for designing safe structures.

理解ultimate tensile stress 极限拉伸应力对于设计安全结构至关重要。

作文

The concept of ultimate tensile stress is crucial in the field of materials science and engineering. It refers to the maximum amount of tensile stress that a material can withstand before failure occurs. Understanding this property is essential for engineers and designers when selecting materials for various applications. The ultimate tensile stress is typically determined through a tensile test, where a sample material is subjected to a controlled pulling force until it breaks. During this test, the stress and strain of the material are recorded, allowing for the calculation of the ultimate tensile stress. This value is expressed in units of pressure, such as Pascals (Pa) or pounds per square inch (psi). In practical terms, the ultimate tensile stress indicates how much load a material can handle without failing. For instance, when designing a bridge, engineers must consider the ultimate tensile stress of the materials used to ensure that they can support the weight of vehicles and withstand environmental forces like wind and earthquakes. If the materials selected have a low ultimate tensile stress, the structure may fail under load, leading to catastrophic consequences. Moreover, the ultimate tensile stress varies among different materials. Metals generally have high ultimate tensile stress values, making them suitable for construction and manufacturing. On the other hand, materials like rubber or plastic may have lower ultimate tensile stress values, limiting their use in load-bearing applications. Therefore, understanding the ultimate tensile stress of a material helps engineers make informed decisions about material selection based on the specific requirements of their projects. Additionally, factors such as temperature, strain rate, and the presence of flaws can affect the ultimate tensile stress of a material. For example, metals can become weaker at elevated temperatures, leading to a decrease in their ultimate tensile stress. Similarly, if a material has pre-existing defects or inconsistencies, its ultimate tensile stress may be significantly lower than that of a flawless sample. In conclusion, the ultimate tensile stress is a fundamental property that plays a vital role in the design and analysis of materials used in various engineering applications. By understanding and measuring this property, engineers can ensure the safety, reliability, and performance of structures and products. As technology advances, new materials with improved ultimate tensile stress characteristics are being developed, further enhancing the capabilities of modern engineering. In summary, the ultimate tensile stress is not just a number; it represents the limits of what materials can endure. This understanding helps engineers create safer and more efficient designs, ultimately benefiting society as a whole.

“极限拉伸应力”这一概念在材料科学和工程领域至关重要。它指的是材料在发生破坏之前能够承受的最大拉伸应力。理解这一特性对于工程师和设计师在选择各种应用材料时至关重要。“极限拉伸应力”通常通过拉伸试验来确定,在该试验中,样品材料受到控制的拉力,直到其断裂。在此过程中,记录材料的应力和应变,从而计算出“极限拉伸应力”。该值以压力单位表示,例如帕斯卡(Pa)或每平方英寸磅(psi)。在实际应用中,“极限拉伸应力”指示材料在不发生失效的情况下可以承受多少负载。例如,在设计桥梁时,工程师必须考虑所用材料的“极限拉伸应力”,以确保它们能够支撑车辆的重量,并抵御风和地震等环境力量。如果所选材料的“极限拉伸应力”较低,则结构可能在负载下失效,导致灾难性后果。此外,不同材料的“极限拉伸应力”有所不同。金属通常具有高“极限拉伸应力”值,使其适合于建筑和制造。而像橡胶或塑料这样的材料可能具有较低的“极限拉伸应力”值,限制了它们在承重应用中的使用。因此,理解材料的“极限拉伸应力”有助于工程师根据项目的具体要求做出明智的材料选择。此外,温度、应变速率和缺陷的存在等因素也会影响材料的“极限拉伸应力”。例如,金属在高温下可能变得更弱,导致其“极限拉伸应力”降低。类似地,如果材料存在预先存在的缺陷或不一致,其“极限拉伸应力”可能远低于无缺陷样本的值。总之,“极限拉伸应力”是一个基本属性,在各种工程应用的材料设计和分析中发挥着至关重要的作用。通过理解和测量这一特性,工程师可以确保结构和产品的安全性、可靠性和性能。随着技术的进步,具有改进的“极限拉伸应力”特性的材料正在不断开发,进一步提升现代工程的能力。总而言之,“极限拉伸应力”不仅仅是一个数字;它代表了材料能承受的极限。对这一点的理解帮助工程师创造更安全、更高效的设计,最终使整个社会受益。