elongation percentage

简明释义

伸长率

英英释义

例句

1.The elongation percentage 延伸百分比 is calculated by measuring the increase in length divided by the original length.

通过测量长度增加量与原始长度的比值来计算延伸百分比 elongation percentage。

2.A higher elongation percentage 延伸百分比 usually means better flexibility of the material.

较高的延伸百分比 elongation percentage 通常意味着材料具有更好的灵活性。

3.The material's elongation percentage 延伸百分比 indicates how much it can stretch before breaking.

材料的延伸百分比 elongation percentage 表示它在断裂前可以拉伸的程度。

4.In tensile testing, the elongation percentage 延伸百分比 is a critical factor in evaluating ductility.

在拉伸测试中，延伸百分比 elongation percentage 是评估韧性的重要因素。

5.Engineers often consider the elongation percentage 延伸百分比 when selecting materials for construction.

工程师在选择建筑材料时通常会考虑延伸百分比 elongation percentage。

作文

The concept of elongation percentage is a crucial parameter in material science, particularly when evaluating the ductility and tensile properties of materials. Ductility refers to a material's ability to deform under tensile stress, which is often measured by how much it can stretch before breaking. The elongation percentage, specifically, quantifies this ability as a percentage of the original length of the material. It is calculated by taking the difference between the final length of the material after it has been subjected to stress and its original length, dividing that by the original length, and then multiplying by 100 to express it as a percentage.Understanding the elongation percentage is essential for engineers and designers, as it helps them select appropriate materials for specific applications. For instance, metals used in construction must have a high elongation percentage to ensure they can withstand forces without fracturing. Conversely, materials that require rigidity may be chosen for their lower elongation characteristics.In practical terms, consider the example of steel, a material renowned for its strength. When tested, steel typically exhibits an elongation percentage of around 20% to 30%. This means that if a steel sample originally measures 100 mm in length, it can stretch to between 120 mm and 130 mm before it ultimately fails. This property is vital in applications such as bridge construction, where the ability to absorb and distribute loads is critical.On the other hand, materials like glass or ceramics exhibit very low elongation percentages, often less than 1%. These materials are strong but brittle, meaning they can withstand significant compressive forces but will fracture easily under tension. Understanding these differences is key when designing structures that must endure varying types of stress.The significance of the elongation percentage extends beyond just tensile testing; it also plays a role in quality control and assurance processes. Manufacturers often conduct tensile tests to ensure that their products meet specified standards. A low elongation percentage in a batch of metal components might indicate a potential flaw in the manufacturing process, prompting further investigation to prevent future failures in the field.In conclusion, the elongation percentage is more than just a number; it is a vital indicator of a material's performance and suitability for various applications. By understanding and utilizing this measure, engineers can make informed decisions that enhance safety, reliability, and efficiency in their designs. As we continue to innovate and develop new materials, the importance of understanding properties like the elongation percentage will only grow, ensuring that we create products that not only meet our needs but also stand the test of time.

“延伸百分比”这一概念是材料科学中一个关键参数，特别是在评估材料的延展性和拉伸性能时。延展性是指材料在拉伸应力下变形的能力，通常通过材料在断裂前能拉伸多少来衡量。具体而言，“延伸百分比”量化了这种能力，以材料原始长度的百分比表示。它的计算方法是取材料在受力后最终长度与原始长度之间的差值，除以原始长度，然后乘以100以表达为百分比。理解“延伸百分比”对工程师和设计师至关重要，因为它帮助他们选择适合特定应用的材料。例如，用于建筑的金属必须具有高“延伸百分比”，以确保它们能够承受力量而不发生断裂。相反，那些需要刚性的材料可能因其较低的延伸特性而被选择。在实际操作中，考虑钢材的例子，这是一种以强度著称的材料。经过测试，钢材通常表现出约20%到30%的“延伸百分比”。这意味着，如果一块钢样本原始长度为100毫米，它可以在最终破裂之前拉伸到120毫米到130毫米之间。这一特性在桥梁建设等应用中至关重要，因为吸收和分配负荷的能力是关键。另一方面，像玻璃或陶瓷这样的材料表现出非常低的“延伸百分比”，通常低于1%。这些材料虽然强大，但脆性较大，意味着它们能够承受显著的压缩力，但在拉伸下很容易破裂。理解这些差异对于设计必须承受不同类型应力的结构至关重要。“延伸百分比”的重要性不仅限于拉伸测试；它还在质量控制和保证过程中发挥着作用。制造商通常进行拉伸测试，以确保其产品符合规定标准。如果一批金属部件的“延伸百分比”较低，可能表明制造过程存在潜在缺陷，从而促使进一步调查，以防止未来在现场发生故障。总之，“延伸百分比”不仅仅是一个数字；它是材料性能和适用性的重要指标。通过理解和利用这一测量，工程师可以做出明智的决策，从而增强设计的安全性、可靠性和效率。随着我们继续创新和开发新材料，理解“延伸百分比”等性质的重要性只会增加，确保我们创造出不仅满足需求且经得起时间考验的产品。