tensile stress

简明释义

拉伸应力

英英释义

例句

1.In construction, understanding tensile stress 拉伸应力 is crucial for selecting the right materials.

在建筑中，理解tensile stress 拉伸应力对选择合适的材料至关重要。

2.The tensile stress 拉伸应力 in the steel beam was measured to determine its load-bearing capacity.

为了确定钢梁的承载能力，测量了其上的tensile stress 拉伸应力。

3.When designing a bridge, engineers must calculate the tensile stress 拉伸应力 on the cables to ensure safety.

在设计桥梁时，工程师必须计算电缆上的tensile stress 拉伸应力以确保安全。

4.The tensile stress 拉伸应力 distribution was analyzed using finite element modeling.

使用有限元建模分析了tensile stress 拉伸应力的分布。

5.During the tensile test, the material failed due to excessive tensile stress 拉伸应力 beyond its yield strength.

在拉伸测试中，材料因超过其屈服强度的过大tensile stress 拉伸应力而失效。

作文

Tensile stress is a fundamental concept in the field of materials science and engineering. It refers to the internal force experienced by a material when it is subjected to stretching or pulling forces. When a material is pulled, it undergoes deformation, and the amount of this deformation is directly related to the applied tensile stress. Understanding tensile stress (拉伸应力) is crucial for engineers and designers, as it helps them determine how materials will behave under various loading conditions.In practical applications, tensile stress is often measured in units such as pascals (Pa) or pounds per square inch (psi). The formula for calculating tensile stress is quite straightforward: it is the force applied divided by the cross-sectional area of the material. For example, if a steel rod with a cross-sectional area of 10 square centimeters is subjected to a force of 1000 newtons, the tensile stress can be calculated as follows: Tensile Stress = Force / Area = 1000 N / 10 cm² = 100 N/cm².This calculation reveals that the steel rod experiences a tensile stress (拉伸应力) of 100 N/cm². This information is vital for assessing whether the material can withstand the applied load without failing.Different materials exhibit varying levels of tensile strength, which is the maximum amount of tensile stress a material can endure before failure occurs. For instance, metals like steel and aluminum have high tensile strengths, making them suitable for construction and manufacturing applications. On the other hand, materials such as rubber or plastic may have lower tensile strengths, limiting their use in load-bearing structures.When designing components that will experience tensile stress (拉伸应力), engineers must consider factors such as the material properties, the geometry of the component, and the expected loads during service. Finite element analysis (FEA) is often employed to simulate how materials will respond to tensile stress, allowing engineers to optimize designs for safety and performance.Moreover, understanding tensile stress (拉伸应力) is not only important in static loading conditions but also in dynamic situations where materials may experience fluctuating loads. Fatigue analysis is a critical aspect of design, as repeated cycles of tensile stress can lead to material fatigue and eventual failure over time. Engineers must ensure that components can withstand these cyclic loads, which often requires additional testing and analysis.In conclusion, tensile stress (拉伸应力) is a key concept in materials science that plays a significant role in engineering design and analysis. By understanding how materials respond to tensile forces, engineers can create safe, reliable, and efficient structures and components. As technology advances, the ability to analyze and predict the behavior of materials under tensile stress (拉伸应力) will continue to improve, leading to innovations in various fields such as aerospace, automotive, and civil engineering. Thus, a thorough grasp of this concept is essential for anyone involved in the design and application of materials in engineering contexts.

拉伸应力是材料科学和工程领域的一个基本概念。它指的是当材料受到拉伸或拉力时所经历的内部力。当材料被拉伸时，它会发生变形，这种变形的程度与施加的拉伸应力直接相关。理解拉伸应力（tensile stress）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载荷条件下的行为。在实际应用中，拉伸应力通常以帕斯卡（Pa）或每平方英寸磅（psi）为单位进行测量。计算拉伸应力的公式相当简单：它是施加的力除以材料的横截面积。例如，如果一根横截面积为10平方厘米的钢棒承受1000牛顿的力，则可以按如下方式计算拉伸应力：拉伸应力 = 力 / 面积 = 1000 N / 10 cm² = 100 N/cm²。这个计算结果表明，钢棒经历了100 N/cm²的拉伸应力（tensile stress）。这一信息对于评估材料在不失效的情况下能否承受施加的载荷至关重要。不同材料表现出不同级别的抗拉强度，即材料在失效发生之前能够承受的最大拉伸应力。例如，像钢和铝这样的金属具有高抗拉强度，使它们适合用于建筑和制造应用。另一方面，像橡胶或塑料这样的材料可能具有较低的抗拉强度，限制了它们在承重结构中的使用。在设计将经历拉伸应力（tensile stress）的组件时，工程师必须考虑材料特性、组件几何形状和预期服务期间的载荷等因素。有限元分析（FEA）通常用于模拟材料在拉伸应力下的反应，从而使工程师能够优化设计以确保安全性和性能。此外，理解拉伸应力（tensile stress）不仅在静态载荷条件下重要，而且在材料可能经历波动载荷的动态情况下也同样重要。疲劳分析是设计的一个关键方面，因为重复的拉伸应力循环可能导致材料疲劳并最终失效。工程师必须确保组件能够承受这些周期性载荷，这通常需要额外的测试和分析。总之，拉伸应力（tensile stress）是材料科学中的一个关键概念，在工程设计和分析中发挥着重要作用。通过理解材料如何响应拉伸力，工程师可以创建安全、可靠和高效的结构和组件。随着技术的进步，分析和预测材料在拉伸应力（tensile stress）下行为的能力将不断提高，从而推动航空航天、汽车和土木工程等各个领域的创新。因此，深入掌握这一概念对于任何参与工程材料设计和应用的人来说都是必不可少的。