elongation per unit length

简明释义

延伸率

英英释义

例句

1.The material's elongation per unit length indicates its ductility under stress.

材料的单位长度延伸率表明其在应力下的延展性。

2.For rubber, the elongation per unit length is critical for applications requiring high stretchability.

对于橡胶来说，单位长度延伸率对需要高伸展性的应用至关重要。

3.The tensile test results showed an elongation per unit length of 15%, indicating good performance.

拉伸试验结果显示单位长度延伸率为15%，表明性能良好。

4.A higher elongation per unit length means that the material is more flexible.

更高的单位长度延伸率意味着材料更具柔韧性。

5.Engineers often measure the elongation per unit length to ensure materials can withstand tension.

工程师通常测量单位长度延伸率以确保材料能够承受拉力。

作文

Understanding the concept of elongation per unit length is essential in various fields of science and engineering, particularly in materials science and structural engineering. This term refers to the measure of deformation that a material undergoes when subjected to tensile stress, expressed as the change in length per unit original length. In simpler terms, it quantifies how much a material stretches or elongates when a force is applied to it. The significance of elongation per unit length lies in its ability to provide insights into the material's mechanical properties, such as ductility and tensile strength.When a material is pulled, it experiences stress which results in strain. Strain is defined as the ratio of the change in length to the original length of the material. Therefore, elongation per unit length can be mathematically expressed as:\[ \text{Strain} = \frac{\Delta L}{L_0} \]\Where \( \Delta L \) is the change in length and \( L_0 \) is the original length. This relationship is crucial for engineers and designers who need to predict how materials will behave under different loading conditions.For instance, consider a steel cable used in construction. When the cable is loaded, understanding its elongation per unit length helps engineers determine whether the cable can support the intended load without failing. If the elongation is too high, it may indicate a risk of rupture or permanent deformation, leading to structural failure. Thus, knowing the elongation per unit length allows for safer and more efficient designs.Moreover, different materials exhibit varying degrees of elongation per unit length. Metals, for example, typically have a higher elongation compared to brittle materials like ceramics. This property is critical when selecting materials for specific applications. For instance, in applications requiring flexibility and resilience, materials with higher elongation per unit length are preferred. Conversely, in applications where rigidity and strength are prioritized, materials with lower elongation are often chosen.In addition to its practical applications, elongation per unit length also plays a role in academic research. Scientists study the elongation characteristics of new materials to develop innovative solutions for modern engineering challenges. For example, in the field of nanotechnology, researchers are exploring materials that exhibit extraordinary elongation per unit length to create lightweight yet strong components for aerospace applications.In conclusion, the concept of elongation per unit length is fundamental in understanding material behavior under stress. It serves as a vital parameter in engineering design, material selection, and scientific research. By comprehending how materials elongate when subjected to forces, engineers and scientists can innovate and create safer, more efficient structures and products. As we continue to push the boundaries of technology and materials science, the importance of elongation per unit length will only grow, shaping the future of engineering and manufacturing.

理解单位长度的延伸这一概念对于科学和工程的各个领域至关重要，尤其是在材料科学和结构工程中。这个术语指的是当材料受到拉伸应力时所经历的变形量，以单位原始长度的长度变化来表示。简单来说，它量化了材料在施加力量时的拉伸或延伸程度。单位长度的延伸的重要性在于它能够提供材料机械性能的洞察，例如延展性和抗拉强度。当材料被拉伸时，它会经历应力，从而导致应变。应变被定义为材料长度变化与原始长度的比率。因此，单位长度的延伸可以用数学公式表示为：\[ \text{应变} = \frac{\Delta L}{L_0} \]\其中\( \Delta L \)是长度变化，\( L_0 \)是原始长度。这个关系对于工程师和设计师来说至关重要，他们需要预测材料在不同载荷条件下的表现。例如，考虑在建筑中使用的钢缆。当钢缆被加载时，了解其单位长度的延伸有助于工程师确定该钢缆是否能在不发生故障的情况下支持预期的载荷。如果延伸过高，这可能表明存在断裂或永久变形的风险，从而导致结构失效。因此，了解单位长度的延伸有助于更安全、更高效的设计。此外，不同材料表现出不同程度的单位长度的延伸。例如，金属通常具有比脆性材料（如陶瓷）更高的延伸性。这一特性在选择特定应用的材料时至关重要。例如，在需要灵活性和韧性的应用中，更高单位长度的延伸的材料更受欢迎。相反，在优先考虑刚性和强度的应用中，通常选择延伸较低的材料。除了实际应用外，单位长度的延伸在学术研究中也发挥着作用。科学家研究新材料的延伸特性，以开发现代工程挑战的创新解决方案。例如，在纳米技术领域，研究人员正在探索表现出非凡单位长度的延伸的材料，以创造轻便而坚固的航空航天应用组件。总之，单位长度的延伸概念是理解材料在应力下行为的基础。它作为工程设计、材料选择和科学研究的重要参数。通过理解材料在施加力量时的延伸方式，工程师和科学家可以创新并创造更安全、更高效的结构和产品。随着我们继续推动技术和材料科学的边界，单位长度的延伸的重要性只会增加，塑造工程和制造的未来。