stretch elongation

简明释义

拉伸

英英释义

例句

1.Engineers measure the stretch elongation 拉伸延伸率 of materials to ensure they meet safety standards.

工程师测量材料的stretch elongation 拉伸延伸率 以确保其符合安全标准。

2.A higher stretch elongation 拉伸延伸率 can improve the performance of athletic wear.

更高的stretch elongation 拉伸延伸率 可以提高运动服的性能。

3.In the production of rubber products, achieving a high stretch elongation 拉伸延伸率 is essential for flexibility.

在橡胶产品的生产中，实现高的stretch elongation 拉伸延伸率 对于灵活性至关重要。

4.The material demonstrated impressive stretch elongation 拉伸延伸率 during the tensile test, indicating its durability.

该材料在拉伸测试中表现出令人印象深刻的stretch elongation 拉伸延伸率，表明其耐用性。

5.The fabric's stretch elongation 拉伸延伸率 allows it to fit comfortably on various body shapes.

这种面料的stretch elongation 拉伸延伸率 使其能够舒适地贴合各种体型。

作文

Understanding the concept of stretch elongation is crucial in various fields, particularly in materials science and engineering. Stretch elongation refers to the ability of a material to deform under tensile stress and is typically expressed as a percentage of the original length. This property is essential for determining how materials will behave when subjected to forces, making it a key factor in product design and quality control.In practical terms, stretch elongation indicates how much a material can be stretched before it breaks. For example, rubber bands exhibit high stretch elongation, allowing them to stretch significantly without breaking. In contrast, materials like glass have low stretch elongation and can break easily when subjected to tension. Understanding these differences helps engineers select appropriate materials for specific applications.The measurement of stretch elongation is typically performed through tensile testing. During this test, a sample material is pulled until it fractures, and the elongation is measured. The formula used to calculate stretch elongation is: \[ \text{Elongation} = \left( \frac{L_f - L_0}{L_0} \right) \times 100 \% \] where \( L_f \) is the final length after stretching and \( L_0 \) is the original length. This measurement provides valuable insight into the ductility of the material, which is its ability to undergo significant plastic deformation before rupture.In industries such as construction, automotive, and textiles, knowing the stretch elongation of materials is vital for safety and performance. For instance, in the automotive sector, components must withstand various stresses during operation. Engineers must ensure that materials can endure these stresses without failing. High stretch elongation materials are often used in parts that require flexibility, while lower stretch elongation materials are used where rigidity is necessary.Moreover, the stretch elongation of fabrics is particularly important in the fashion industry. Clothing must be both comfortable and durable, and understanding how different fabrics behave under tension helps designers create better products. For example, activewear often incorporates materials with high stretch elongation to allow for movement and flexibility during physical activities.In conclusion, stretch elongation is a fundamental property of materials that plays a critical role in various applications. By understanding this concept, professionals across multiple industries can make informed decisions about material selection and design. Whether in engineering, manufacturing, or fashion, recognizing the significance of stretch elongation can lead to improved product performance and safety, ultimately benefiting both producers and consumers alike.

理解伸长率的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。伸长率指的是材料在拉伸应力下变形的能力，通常以原始长度的百分比表示。这一特性对于确定材料在受力时的表现至关重要，因此在产品设计和质量控制中是一个关键因素。在实际操作中，伸长率表明材料在断裂前可以被拉伸的程度。例如，橡皮筋展现出高伸长率，允许其在不破裂的情况下显著拉伸。相比之下，玻璃的伸长率较低，容易在受到拉伸时破裂。理解这些差异有助于工程师为特定应用选择合适的材料。伸长率的测量通常通过拉伸测试来进行。在此测试中，样本材料被拉伸直到断裂，并测量其延伸量。用于计算伸长率的公式为：\[ \text{Elongation} = \left( \frac{L_f - L_0}{L_0} \right) \times 100 \% \] 其中\( L_f \)为拉伸后的最终长度，\( L_0 \)为原始长度。此测量提供了关于材料延展性的宝贵见解，即材料在断裂前经历显著塑性变形的能力。在建筑、汽车和纺织等行业，了解材料的伸长率对安全性和性能至关重要。例如，在汽车行业，组件必须在操作过程中承受各种应力。工程师必须确保材料能够在不失效的情况下承受这些应力。高伸长率材料通常用于需要灵活性的部件，而较低伸长率材料则用于需要刚性的地方。此外，面料的伸长率在时尚行业中尤为重要。服装必须既舒适又耐用，理解不同面料在拉伸下的表现有助于设计师创造更好的产品。例如，运动服通常采用具有高伸长率的材料，以便在体育活动中允许运动和灵活性。总之，伸长率是材料的基本特性，在多种应用中扮演着关键角色。通过理解这一概念，各行业的专业人士可以在材料选择和设计上做出明智的决策。无论是在工程、制造还是时尚领域，认识到伸长率的重要性都能提高产品性能和安全性，最终使生产者和消费者受益。