percent of elongation

简明释义

伸张度

英英释义

例句

1.A higher percent of elongation 延伸百分比 typically suggests that the material can undergo significant deformation before breaking.

较高的延伸百分比 percent of elongation 通常表明材料在断裂前可以经历显著的变形。

2.The percent of elongation 延伸百分比 is a critical parameter in evaluating the performance of construction materials.

在评估建筑材料的性能时，延伸百分比 percent of elongation 是一个关键参数。

3.The tensile test revealed that the material had a percent of elongation 延伸百分比 of 15%, indicating good ductility.

拉伸测试显示该材料的延伸百分比 percent of elongation 为15%，表明其良好的延展性。

4.During quality control, we always check the percent of elongation 延伸百分比 of the steel wires we produce.

在质量控制过程中，我们总是检查我们生产的钢丝的延伸百分比 percent of elongation 。

5.In our experiment, we measured the percent of elongation 延伸百分比 to determine the flexibility of different polymers.

在我们的实验中，我们测量了延伸百分比 percent of elongation 以确定不同聚合物的灵活性。

作文

The term percent of elongation refers to a measure used in materials science and engineering to describe the ductility of a material. It quantifies how much a material can be stretched or deformed before it breaks. This property is crucial when evaluating materials for various applications, especially in construction and manufacturing. Understanding the percent of elongation is essential for engineers and designers who need to ensure that the materials they choose will perform adequately under stress. When a material is subjected to tensile stress, it begins to deform. The percent of elongation is calculated by measuring the change in length of the material after it has been pulled until it fractures. The formula is quite simple: Percent of Elongation = (Final Length - Original Length) / Original Length × 100%. This calculation gives a percentage that indicates how much the material has elongated relative to its original size. A higher percent of elongation indicates a more ductile material, which can absorb more energy and undergo significant deformation before failure. Conversely, a lower percent of elongation suggests that the material is more brittle and likely to break with little deformation. For example, metals such as copper and aluminum often exhibit high percent of elongation values, making them suitable for applications where flexibility and durability are required. In contrast, materials like glass or certain ceramics have low percent of elongation values, meaning they can fracture easily under stress. In practical applications, understanding the percent of elongation helps engineers select the right materials for specific tasks. For instance, in the construction industry, steel is commonly used because of its favorable balance of strength and ductility. The percent of elongation helps engineers calculate how much a steel beam can bend without breaking, ensuring safety and stability in structures. Moreover, the percent of elongation can also influence the manufacturing processes of materials. For example, when forming metal parts, knowing the percent of elongation allows manufacturers to determine the best temperature and speed for processes like forging, rolling, or extrusion. This knowledge leads to better product quality and reduces waste. In conclusion, the percent of elongation is a vital parameter in the field of materials science. It provides insight into the mechanical properties of materials, guiding engineers and designers in their selection and application. By understanding this concept, professionals can ensure that the materials they use will meet the demands of their intended applications, ultimately leading to safer and more effective designs.

术语百分比延伸是指在材料科学和工程中用于描述材料延展性的一个测量指标。它量化了材料在断裂前可以被拉伸或变形的程度。这个特性在评估材料在各种应用中的表现时至关重要，尤其是在建筑和制造领域。理解百分比延伸对于需要确保所选择材料在压力下能适当表现的工程师和设计师来说非常重要。当材料受到拉伸应力时，它开始变形。百分比延伸通过测量材料在被拉伸到断裂后的长度变化来计算。公式相当简单：百分比延伸 = (最终长度 - 原始长度) / 原始长度 × 100%。这个计算给出一个百分比，表明材料相对于其原始尺寸的延伸程度。更高的百分比延伸表示材料更具延展性，可以吸收更多的能量并在失效前经历显著的变形。相反，更低的百分比延伸则表明材料更脆，可能在很小的变形下就会断裂。例如，铜和铝等金属通常表现出较高的百分比延伸值，使它们适合于需要灵活性和耐用性的应用。相比之下，玻璃或某些陶瓷的百分比延伸值较低，意味着它们在应力下容易断裂。在实际应用中，理解百分比延伸帮助工程师为特定任务选择合适的材料。例如，在建筑行业，钢材因其良好的强度和延展性平衡而被广泛使用。百分比延伸帮助工程师计算钢梁在不破裂情况下可以弯曲的程度，从而确保建筑的安全和稳定。此外，百分比延伸还可以影响材料的制造过程。例如，在成型金属部件时，了解百分比延伸使制造商能够确定锻造、轧制或挤压等过程的最佳温度和速度。这种知识有助于提高产品质量并减少浪费。总之，百分比延伸是材料科学领域的重要参数。它提供了对材料机械性能的洞察，指导工程师和设计师的选择和应用。通过理解这一概念，专业人士可以确保他们使用的材料满足预期应用的要求，从而最终导致更安全和更有效的设计。