elongation rate

简明释义

伸长率

英英释义

例句

1.Manufacturers often specify the elongation rate 延伸率 of rubber materials for optimal performance.

制造商通常会指定橡胶材料的延伸率 elongation rate 以获得最佳性能。

2.The elongation rate 延伸率 of metals can vary based on their composition and processing.

金属的延伸率 elongation rate 可以根据其成分和加工方式而有所不同。

3.In tensile testing, the elongation rate 延伸率 helps determine the material's ductility.

在拉伸测试中，延伸率 elongation rate 有助于确定材料的延展性。

4.A high elongation rate 延伸率 indicates that a material can stretch significantly before breaking.

高延伸率 elongation rate 表明材料在断裂之前可以显著伸展。

5.The polymer's elongation rate 延伸率 is crucial for applications in flexible packaging.

聚合物的延伸率 elongation rate 对于柔性包装应用至关重要。

作文

The concept of elongation rate is crucial in various fields, particularly in materials science and engineering. It refers to the measure of how much a material can stretch or deform under stress before it breaks. Understanding the elongation rate of a material can provide valuable insights into its ductility and tensile strength. Ductility is the ability of a material to undergo significant plastic deformation before rupture, which is essential for applications where flexibility and resilience are important.In practical terms, the elongation rate is typically expressed as a percentage, calculated by measuring the increase in length of a material specimen when subjected to tensile stress compared to its original length. For example, if a metal rod originally measures 10 cm and stretches to 12 cm under tension, the elongation rate would be calculated as follows: the increase in length is 2 cm, and the original length is 10 cm, resulting in an elongation rate of 20%. This percentage helps engineers determine whether a material is suitable for specific applications, such as construction, manufacturing, or automotive industries.Different materials exhibit varying elongation rates. For instance, metals like copper and aluminum generally have high elongation rates, making them excellent choices for wiring and structural components. Conversely, brittle materials like glass or ceramics have low elongation rates, which limits their use in applications where flexibility is necessary. The understanding of elongation rate is not only limited to metals but also extends to polymers and composites, which are increasingly used in modern engineering solutions.Moreover, the elongation rate can be influenced by several factors, including temperature, strain rate, and the presence of impurities or defects within the material. For example, increasing the temperature of a metal can enhance its ductility, leading to a higher elongation rate. This is particularly relevant in processes such as forging or welding, where heat treatment is often applied to improve the mechanical properties of materials.In conclusion, the elongation rate is a vital parameter in assessing and selecting materials for various applications. Its significance lies not only in its ability to indicate how much a material can stretch before breaking but also in its implications for the material's overall performance in real-world conditions. Understanding the elongation rate allows engineers and designers to make informed decisions, ensuring that the materials they choose can withstand the demands of their intended use while maintaining safety and reliability. As technology advances, the study of elongation rate will continue to play a critical role in developing new materials and improving existing ones, ultimately contributing to innovations across multiple industries.

“延伸率”这一概念在多个领域中至关重要，尤其是在材料科学和工程学中。它指的是材料在应力作用下可以拉伸或变形到何种程度而不发生断裂的测量。理解材料的延伸率可以为其延展性和抗拉强度提供有价值的见解。延展性是材料在破裂前经历显著塑性变形的能力，这在需要灵活性和韧性的应用中至关重要。在实际操作中，延伸率通常以百分比表示，通过测量材料样本在承受拉伸应力时长度的增加与其原始长度的比值来计算。例如，如果一根金属棒原始长度为10厘米，在拉伸下延长到12厘米，则延伸率的计算如下：长度增加为2厘米，原始长度为10厘米，因此得到的延伸率为20%。这个百分比帮助工程师确定某种材料是否适合特定应用，例如建筑、制造或汽车工业。不同材料表现出不同的延伸率。例如，铜和铝等金属通常具有较高的延伸率，使它们成为电缆和结构部件的优良选择。相反，玻璃或陶瓷等脆性材料的延伸率较低，这限制了它们在需要灵活性的应用中的使用。对延伸率的理解不仅限于金属，还扩展到聚合物和复合材料，这些材料在现代工程解决方案中越来越多地被使用。此外，延伸率还会受到多种因素的影响，包括温度、应变速率以及材料内部杂质或缺陷的存在。例如，增加金属的温度可以增强其延展性，从而导致更高的延伸率。这在锻造或焊接等工艺中尤其相关，因为通常会施加热处理以改善材料的机械性能。总之，延伸率是评估和选择各种应用材料的重要参数。它的意义不仅在于指示材料在断裂前能够拉伸多少，还在于其对材料在现实条件下整体性能的影响。理解延伸率使工程师和设计师能够做出明智的决策，确保他们选择的材料能够承受预期用途的要求，同时保持安全性和可靠性。随着技术的进步，延伸率的研究将继续在开发新材料和改进现有材料中发挥关键作用，最终促进多个行业的创新。