tensile elongation

简明释义

拉伸长度

英英释义

例句

1.The material exhibited a high level of tensile elongation 拉伸伸长率, indicating its flexibility.

该材料表现出高水平的tensile elongation 拉伸伸长率，表明其灵活性。

2.The tensile elongation 拉伸伸长率 of the polymer was tested to evaluate its performance under stress.

对聚合物的tensile elongation 拉伸伸长率进行了测试，以评估其在应力下的性能。

3.In testing, the tensile elongation 拉伸伸长率 was measured to ensure quality standards were met.

在测试中，测量了tensile elongation 拉伸伸长率以确保符合质量标准。

4.Engineers consider tensile elongation 拉伸伸长率 when selecting materials for construction projects.

工程师在选择建筑项目材料时会考虑tensile elongation 拉伸伸长率。

5.A higher tensile elongation 拉伸伸长率 often correlates with better ductility in metals.

较高的tensile elongation 拉伸伸长率通常与金属的良好延展性相关。

作文

Tensile testing is a fundamental method used in material science to assess the mechanical properties of materials. One of the key parameters measured during a tensile test is tensile elongation, which refers to the amount of deformation a material undergoes before it fractures. This measurement is crucial as it provides insight into the ductility of a material, indicating how much it can stretch or deform under tensile stress without breaking. Ductility is an essential property for many applications, especially in industries such as construction and manufacturing, where materials must withstand significant forces without failure.The process of measuring tensile elongation involves pulling a specimen of the material until it breaks while recording the amount of elongation that occurs. The elongation is usually expressed as a percentage of the original length of the specimen. For example, if a material originally measures 100 mm in length and stretches to 120 mm before breaking, the tensile elongation would be 20%. This percentage is critical for engineers and designers, as it helps them select appropriate materials for specific applications based on their ability to withstand stress and strain.Understanding tensile elongation is particularly important in the context of safety. In construction, for instance, steel beams must not only be strong but also exhibit sufficient ductility to absorb energy during events like earthquakes or impacts. Materials that have low tensile elongation may fail suddenly and catastrophically, leading to dangerous situations. Therefore, engineers often prefer materials with higher elongation values for structures that require resilience and flexibility.In addition to safety considerations, tensile elongation plays a significant role in the performance of materials in various environments. For example, polymers and plastics typically exhibit high tensile elongation, making them suitable for applications where flexibility is crucial, such as in packaging or automotive components. On the other hand, metals like cast iron have lower elongation values, which makes them more brittle and less suitable for applications requiring significant deformation.Moreover, advancements in material science have led to the development of alloys and composites that optimize tensile elongation alongside strength. By manipulating the microstructure of materials, scientists can enhance their ductility while maintaining their load-bearing capabilities. This research is vital for industries looking to improve product performance and longevity.In conclusion, tensile elongation is a critical property that reflects a material's ability to deform under stress. Its importance spans across various fields, from construction to manufacturing, influencing decisions regarding material selection and design. By understanding and measuring tensile elongation, engineers can ensure that the materials they choose will perform adequately under expected loads, contributing to the safety and reliability of structures and products. As technology advances, the study of tensile elongation will continue to play a pivotal role in material innovation and application.

拉伸测试是材料科学中用于评估材料机械性能的基本方法之一。在拉伸测试中测量的关键参数之一是拉伸延伸率，它指的是材料在断裂前经历的变形量。这个测量至关重要，因为它提供了材料韧性的洞察，表明材料在不破裂的情况下可以承受多大的拉伸或变形。韧性是许多应用中的一个重要属性，特别是在建筑和制造等行业，材料必须能够承受显著的力量而不发生故障。测量拉伸延伸率的过程涉及拉伸材料样本直到其断裂，同时记录发生的延伸量。延伸量通常以样本原始长度的百分比表示。例如，如果材料原本长度为100毫米，在断裂前延伸到120毫米，则拉伸延伸率为20%。这个百分比对于工程师和设计师至关重要，因为它帮助他们根据材料承受应力和应变的能力选择合适的材料。理解拉伸延伸率在安全方面尤其重要。在建筑中，例如，钢梁不仅必须坚固，而且还必须表现出足够的韧性，以便在地震或冲击等事件中吸收能量。具有低拉伸延伸率的材料可能会突然和灾难性地失效，导致危险情况。因此，工程师通常更喜欢具有较高延伸值的材料，用于需要韧性和灵活性的结构。除了安全考虑之外，拉伸延伸率在各种环境中材料性能中也发挥着重要作用。例如，聚合物和塑料通常表现出高拉伸延伸率，使其适合于灵活性至关重要的应用，如包装或汽车部件。另一方面，铸铁等金属的延伸值较低，这使得它们更脆，不适合需要显著变形的应用。此外，材料科学的进步导致开发出优化拉伸延伸率与强度的合金和复合材料。通过操控材料的微观结构，科学家可以增强其韧性，同时保持其承载能力。这项研究对希望提高产品性能和耐用性的行业至关重要。总之，拉伸延伸率是反映材料在应力下变形能力的关键属性。它的重要性跨越多个领域，从建筑到制造，影响材料选择和设计的决策。通过理解和测量拉伸延伸率，工程师可以确保他们选择的材料将在预期负载下表现良好，从而有助于结构和产品的安全性和可靠性。随着技术的进步，拉伸延伸率的研究将继续在材料创新和应用中发挥关键作用。