expansion coefficient

简明释义

膨胀系数

英英释义

例句

1.When designing bridges, engineers must consider the expansion coefficient of the materials to prevent structural damage.

在设计桥梁时，工程师必须考虑材料的膨胀系数以防止结构损坏。

2.The expansion coefficient of metals increases with temperature, which affects their performance in high-heat environments.

金属的膨胀系数随温度升高而增加，这影响它们在高温环境中的性能。

3.In construction, knowing the expansion coefficient of concrete helps in minimizing cracking due to temperature changes.

在建筑中，了解混凝土的膨胀系数有助于减少因温度变化而导致的裂缝。

4.Glass has a low expansion coefficient, making it suitable for precision instruments.

玻璃的膨胀系数较低，使其适合用于精密仪器。

5.The thermal expansion coefficient is crucial for materials used in engineering applications.

热膨胀系数对工程应用中使用的材料至关重要。

作文

The concept of the expansion coefficient is fundamental in various fields of science and engineering, particularly when discussing materials and their properties under varying temperatures. The expansion coefficient refers to a material's ability to expand or contract when subjected to changes in temperature. This property is crucial for understanding how materials behave in different environments, which can significantly impact the design and functionality of structures and devices. For instance, metals generally have a higher expansion coefficient compared to ceramics or glass. This means that when heated, metals will expand more than these other materials, which can lead to potential issues in construction and manufacturing if not properly accounted for.In engineering applications, the expansion coefficient plays a vital role in ensuring the integrity and safety of structures. For example, bridges and buildings must be designed with the expansion coefficient of the materials used in mind to accommodate thermal expansion and contraction. If a bridge made of steel does not account for its expansion coefficient, it could warp or even fail under extreme temperature changes. Therefore, engineers often incorporate expansion joints into their designs to allow for movement without causing damage.Moreover, the expansion coefficient is not only relevant in civil engineering but also in the manufacturing of everyday products. For instance, when creating composite materials, manufacturers must consider the different expansion coefficients of each component. If one part expands significantly while another does not, it can lead to warping, cracking, or other failures in the final product. This is particularly important in industries such as aerospace, where precision and reliability are paramount.In addition to practical applications, the expansion coefficient also has theoretical implications in physics. It is a key parameter in thermodynamics, influencing how energy is transferred and transformed in different states of matter. Understanding the expansion coefficient helps scientists predict how substances will behave under various thermal conditions, which is essential for research and development in fields ranging from material science to environmental studies.To summarize, the expansion coefficient is a critical property that affects both the practical and theoretical aspects of various scientific disciplines. Whether in the context of building robust infrastructures, manufacturing reliable products, or conducting advanced research, understanding the expansion coefficient is essential for achieving desired outcomes and ensuring safety. As we continue to innovate and develop new materials and technologies, the importance of this property will only grow, highlighting the need for ongoing education and awareness in this area. By grasping the significance of the expansion coefficient, we can better appreciate the complexities of the world around us and make informed decisions in our professional and personal lives.

“膨胀系数”这一概念在科学和工程的多个领域中是基础性的，尤其是在讨论材料及其在不同温度下的特性时。“膨胀系数”指的是材料在温度变化时的膨胀或收缩能力。理解这一特性对于了解材料在不同环境中的表现至关重要，这可能会显著影响结构和设备的设计与功能。例如，金属的“膨胀系数”通常高于陶瓷或玻璃。这意味着当加热时，金属的膨胀程度将超过这些其他材料，如果不加以合理考虑，可能会在建筑和制造中导致潜在问题。在工程应用中，“膨胀系数”在确保结构的完整性和安全性方面发挥着重要作用。例如，桥梁和建筑必须考虑所用材料的“膨胀系数”，以适应热膨胀和收缩。如果一座由钢材制成的桥梁没有考虑其“膨胀系数”，在极端温度变化下可能会变形甚至失效。因此，工程师通常会在设计中加入膨胀缝，以允许材料运动而不造成损害。此外，“膨胀系数”不仅与土木工程相关，而且在日常产品的制造中也至关重要。例如，在创建复合材料时，制造商必须考虑每个组件的不同“膨胀系数”。如果一个部分的膨胀程度显著，而另一个部分则没有，这可能会导致最终产品的翘曲、开裂或其他故障。这在航空航天等行业尤为重要，因为精确性和可靠性至关重要。除了实际应用外，“膨胀系数”在物理学中也具有理论意义。它是热力学中的一个关键参数，影响能量在不同物质状态下的转移和转化。理解“膨胀系数”有助于科学家预测物质在各种热条件下的行为，这对于材料科学到环境研究等各个领域的研发至关重要。总之，“膨胀系数”是一种关键属性，影响着多个科学学科的实际和理论方面。无论是在构建稳固基础设施、制造可靠产品，还是进行先进研究的背景下，理解“膨胀系数”对于实现期望结果和确保安全至关重要。随着我们不断创新和开发新材料及技术，这一属性的重要性只会增加，突显了在这一领域持续教育和意识的必要性。通过掌握“膨胀系数”的重要性，我们可以更好地理解周围世界的复杂性，并在我们的职业和个人生活中做出明智的决策。