notch impact strength

简明释义

刻痕冲豢度

英英释义

例句

1.A higher notch impact strength indicates better resistance to brittle fracture in cold environments.

更高的缺口冲击强度表示在寒冷环境中对脆性断裂的更好抵抗力。

2.Manufacturers often specify the notch impact strength in product datasheets to inform customers about durability.

制造商通常在产品数据表中指定缺口冲击强度以告知客户耐用性。

3.In construction, materials with high notch impact strength are preferred for safety reasons.

在建筑中，出于安全原因，优先选择具有高缺口冲击强度的材料。

4.The testing lab reported that the notch impact strength of the polymer was significantly improved after treatment.

测试实验室报告称，该聚合物的缺口冲击强度在处理后显著提高。

5.The engineer measured the notch impact strength of the material to ensure it could withstand extreme conditions.

工程师测量了材料的缺口冲击强度以确保它能够承受极端条件。

作文

In the field of materials science, understanding the properties of materials is crucial for engineers and designers. One important property that is often evaluated is the notch impact strength, which refers to a material's ability to withstand sudden impacts or shocks when there is a notch or flaw present. This property is particularly significant in applications where materials are subjected to dynamic loads, such as in construction, automotive, and aerospace industries.The notch impact strength is measured by conducting standardized tests, such as the Charpy or Izod impact tests. During these tests, a sample material is notched to create a specific flaw, and then it is struck with a hammer at a defined height. The energy absorbed by the material during the fracture is measured, which gives an indication of its notch impact strength. Materials with high notch impact strength can absorb more energy before failing, making them suitable for applications where they may experience sudden forces.For instance, consider the case of a bridge constructed using steel. If the steel used has low notch impact strength, it may crack or break under unexpected loads, such as heavy traffic or seismic activity. On the other hand, steel with high notch impact strength can endure these stresses without catastrophic failure, ensuring the safety and longevity of the structure.Moreover, the notch impact strength of a material can be influenced by several factors, including temperature, strain rate, and the presence of impurities or defects. For example, many materials exhibit decreased notch impact strength at lower temperatures, which is why engineers must consider environmental conditions when selecting materials for specific applications. Additionally, the manufacturing process can also affect this property; for instance, processes like welding can introduce notches that compromise the overall strength of the material.In recent years, advancements in material science have led to the development of new alloys and composites that offer improved notch impact strength. These innovations are essential for creating lighter, stronger components that can perform better under extreme conditions. Engineers are continuously researching ways to enhance the notch impact strength of existing materials, which can lead to safer and more efficient designs across various industries.In conclusion, the concept of notch impact strength is vital in understanding how materials behave under stress, especially in the presence of flaws. Its implications extend beyond theoretical discussions, impacting real-world applications and safety standards. As technology advances, the ongoing study of notch impact strength will play a significant role in shaping the future of engineering and materials development, ensuring that structures and products can withstand the challenges of modern use.

在材料科学领域，理解材料的特性对工程师和设计师至关重要。一个经常被评估的重要特性是缺口冲击强度，它指的是材料在存在缺口或缺陷时承受突然冲击或震动的能力。这个特性在材料受到动态载荷的应用中尤为重要，例如建筑、汽车和航空航天工业。缺口冲击强度通过进行标准化测试来测量，例如夏比或伊佐德冲击测试。在这些测试中，样本材料被切割成特定的缺口，然后用锤子以定义的高度击打。材料在断裂过程中吸收的能量被测量，这表明其缺口冲击强度。具有高缺口冲击强度的材料可以在失败前吸收更多的能量，使其适合于可能经历突然力量的应用。例如，考虑使用钢材建造的一座桥。如果所用的钢材具有低缺口冲击强度，在意外载荷（例如重型交通或地震活动）下可能会开裂或断裂。另一方面，具有高缺口冲击强度的钢材可以承受这些应力而不会发生灾难性故障，从而确保结构的安全性和耐久性。此外，材料的缺口冲击强度可能会受到多个因素的影响，包括温度、应变速率以及杂质或缺陷的存在。例如，许多材料在较低温度下表现出降低的缺口冲击强度，这就是为什么工程师在选择特定应用的材料时必须考虑环境条件。此外，制造过程也会影响这一特性；例如，焊接等工艺可能会引入缺口，损害材料的整体强度。近年来，材料科学的进步导致了新合金和复合材料的开发，这些材料提供了更好的缺口冲击强度。这些创新对于制造更轻、更强的组件至关重要，这些组件能够在极端条件下表现更好。工程师们不断研究提高现有材料缺口冲击强度的方法，这可以导致各个行业更安全、更高效的设计。总之，缺口冲击强度的概念在理解材料在应力下的行为时至关重要，尤其是在存在缺陷的情况下。它的影响超越理论讨论，影响现实应用和安全标准。随着技术的进步，对缺口冲击强度的持续研究将在塑造工程和材料开发的未来中发挥重要作用，确保结构和产品能够承受现代使用的挑战。