percentage of elongation

简明释义

延伸率

英英释义

例句

1.Engineers often consider the percentage of elongation when selecting materials for construction.

工程师在选择建筑材料时常常考虑延伸百分比。

2.A low percentage of elongation can indicate that a material is brittle.

低延伸百分比可能表明材料是脆性的。

3.The percentage of elongation is a crucial factor in determining the performance of polymers.

在确定聚合物性能时，延伸百分比是一个关键因素。

4.The tensile test revealed a high percentage of elongation in the material, indicating its ductility.

拉伸测试显示该材料的延伸百分比很高，表明其韧性。

5.To ensure quality, we measure the percentage of elongation during the manufacturing process.

为了确保质量，我们在生产过程中测量延伸百分比。

作文

The concept of percentage of elongation is crucial in understanding the mechanical properties of materials, especially in the field of engineering and material science. It refers to the measure of how much a material can stretch or deform before it breaks. This property is particularly significant in applications where materials are subjected to tensile forces, such as in construction, manufacturing, and even in everyday products like clothing and rubber bands.When we talk about percentage of elongation (延伸百分比), we are essentially looking at the ratio of the increase in length of a specimen to its original length, expressed as a percentage. For instance, if a metal rod originally measures 100 mm in length and stretches to 120 mm under stress, the elongation can be calculated as follows: the increase in length is 20 mm, and the percentage of elongation would then be (20 mm / 100 mm) * 100%, which equals 20%. This simple calculation reveals a lot about the material's ductility, which is its ability to undergo significant plastic deformation before rupture.Understanding the percentage of elongation is vital for engineers when selecting materials for specific applications. For example, in construction, steel beams must possess a certain level of ductility to withstand bending and stretching during load applications. If the percentage of elongation is too low, the material may fracture under stress, leading to catastrophic failures. Conversely, materials with high elongation percentages can absorb energy and deform without breaking, making them suitable for dynamic applications.Moreover, the percentage of elongation also plays a key role in quality control processes. Manufacturers often test their products to ensure they meet specific standards, including the percentage of elongation. This testing helps ensure that materials will perform as expected under real-world conditions. For instance, in the automotive industry, components must endure various stresses during operation, and knowing their elongation characteristics can help predict their lifespan and reliability.In addition to its importance in mechanical properties, the percentage of elongation has implications in various industries, including textiles, polymers, and metals. In textiles, for example, fabrics with a higher percentage of elongation can provide greater comfort and flexibility, making them ideal for activewear. In the polymer industry, understanding how different materials respond to stress can lead to the development of new products with enhanced performance.In conclusion, the percentage of elongation is a fundamental property that influences the selection, application, and testing of materials across various fields. By comprehending this concept, engineers and designers can make informed decisions that lead to safer and more effective products. As technology advances and new materials are developed, the significance of understanding the percentage of elongation will only continue to grow, underscoring its relevance in our daily lives and industries. Therefore, mastering this concept is essential for anyone involved in material science and engineering, as it directly impacts the performance and safety of the products we use every day.

延伸百分比的概念对于理解材料的机械性能至关重要，尤其是在工程和材料科学领域。它指的是材料在断裂前可以拉伸或变形的程度。这一特性在材料承受拉伸力的应用中尤为重要，例如在建筑、制造，甚至是日常产品如衣物和橡皮筋中。当我们谈论<延伸百分比>时，我们实际上是在观察一个标本长度增加的量与其原始长度的比率，以百分比表示。例如，如果一根金属杆最初长100毫米，在应力下拉伸到120毫米，则可以按以下方式计算延伸：长度增加量为20毫米，<延伸百分比>则为（20毫米/100毫米）*100%，即20%。这个简单的计算揭示了很多关于材料延展性的内容，即它在破裂之前能够经历显著塑性变形的能力。了解<延伸百分比>对工程师在选择特定应用材料时至关重要。例如，在建筑中，钢梁必须具备一定的延展性，以承受负载施加时的弯曲和拉伸。如果<延伸百分比>过低，材料可能在应力下断裂，导致灾难性的故障。相反，具有高延伸百分比的材料可以吸收能量并在不破裂的情况下变形，使其适合动态应用。此外，<延伸百分比>在质量控制过程中也发挥着关键作用。制造商通常会测试其产品，以确保它们符合特定标准，包括<延伸百分比>。这种测试有助于确保材料在现实条件下的表现。例如，在汽车工业中，部件在操作过程中必须承受各种压力，了解它们的延伸特性可以帮助预测其使用寿命和可靠性。除了在机械性能中的重要性外，<延伸百分比>在纺织、聚合物和金属等各个行业中也有影响。在纺织品中，例如，具有较高<延伸百分比>的面料可以提供更大的舒适性和灵活性，使其成为运动服的理想选择。在聚合物行业，理解不同材料如何响应应力可以促使开发出具有增强性能的新产品。总之，<延伸百分比>是一种基本属性，影响着各个领域材料的选择、应用和测试。通过理解这一概念，工程师和设计师可以做出明智的决策，从而导致更安全、更有效的产品。随着技术的进步和新材料的开发，理解<延伸百分比>的重要性只会继续增长，突显其在我们的日常生活和工业中的相关性。因此，掌握这一概念对任何从事材料科学和工程的人来说都是必不可少的，因为它直接影响着我们每天使用的产品的性能和安全性。