thermal expansion coefficient

简明释义

热膨胀系数

英英释义

例句

1.When designing bridges, engineers must consider the thermal expansion coefficient of the materials used to avoid structural issues.

在设计桥梁时，工程师必须考虑所用材料的热膨胀系数以避免结构问题。

2.The thermal expansion coefficient of metals is generally higher than that of ceramics, which makes them suitable for different applications.

金属的热膨胀系数通常高于陶瓷，这使得它们适合不同的应用。

3.Glass has a low thermal expansion coefficient, which helps it maintain its shape when exposed to temperature changes.

玻璃具有较低的热膨胀系数，这有助于它在温度变化时保持形状。

4.Understanding the thermal expansion coefficient is crucial for the manufacturing of precision instruments.

理解热膨胀系数对于精密仪器的制造至关重要。

5.The thermal expansion coefficient of concrete affects its durability in extreme weather conditions.

混凝土的热膨胀系数影响其在极端天气条件下的耐久性。

作文

The concept of thermal expansion coefficient is fundamental in the field of material science and engineering. It refers to the degree to which a material expands when it is heated. Every material has its own unique thermal expansion coefficient, which indicates how much it will expand or contract with changes in temperature. This property is crucial for various applications, ranging from construction to manufacturing and even in everyday items. Understanding the thermal expansion coefficient helps engineers and designers choose appropriate materials for specific conditions, ensuring safety and functionality.For instance, consider the construction of bridges. Engineers must account for the thermal expansion coefficient of the materials used, such as steel and concrete. As temperatures rise during the summer, these materials expand. If the expansion is not properly managed, it can lead to structural damage or failure. Expansion joints are often incorporated into bridge designs to accommodate this natural expansion and contraction, demonstrating the importance of understanding the thermal expansion coefficient in real-world applications.In manufacturing processes, especially those involving metals, the thermal expansion coefficient plays a significant role. When metal parts are heated during processes like welding or forging, they expand. If different materials with varying thermal expansion coefficients are joined together, it can lead to stress and deformation once the materials cool down. This is why manufacturers must carefully select materials that have compatible thermal expansion coefficients to ensure the integrity of the final product.Furthermore, the thermal expansion coefficient is not only relevant in engineering but also in everyday life. For example, when cooking, we often see how glass containers can crack if they are subjected to sudden temperature changes. This is due to the different thermal expansion coefficients of glass compared to the food inside. Understanding this property can help us avoid accidents in the kitchen.Moreover, the thermal expansion coefficient is essential in the design of electronic devices. As electronics generate heat during operation, components can expand. If the thermal expansion coefficient of the solder used to connect different parts is significantly different from that of the components, it can lead to failures in the circuit. Therefore, engineers must consider these coefficients when designing electronic devices to enhance their reliability and lifespan.In summary, the thermal expansion coefficient is a critical property that affects various fields, including construction, manufacturing, cooking, and electronics. By understanding how materials respond to temperature changes, we can make informed decisions that lead to safer and more efficient designs. Whether it’s building a bridge, manufacturing a product, or simply cooking a meal, the implications of the thermal expansion coefficient are everywhere, highlighting its significance in our daily lives. Therefore, it is essential for students and professionals alike to grasp this concept thoroughly to apply it effectively in their respective fields.

“热膨胀系数”是材料科学和工程领域的一个基本概念。它指的是材料在加热时膨胀的程度。每种材料都有其独特的“热膨胀系数”，这表明它在温度变化时会膨胀或收缩多少。这一特性对于从建筑到制造甚至日常用品的各种应用至关重要。理解“热膨胀系数”有助于工程师和设计师选择适合特定条件的材料，以确保安全性和功能性。例如，考虑桥梁的建设。工程师必须考虑所用材料（如钢和混凝土）的“热膨胀系数”。随着夏季气温的升高，这些材料会膨胀。如果不妥善管理这种膨胀，可能会导致结构损坏或失败。扩展接头通常被纳入桥梁设计中，以适应这种自然膨胀和收缩，展示了理解“热膨胀系数”在实际应用中的重要性。在制造过程中，尤其是涉及金属的过程，“热膨胀系数”发挥着重要作用。当金属零件在焊接或锻造等过程中被加热时，它们会膨胀。如果不同的材料具有不同的“热膨胀系数”而被连接在一起，一旦材料冷却，就可能导致应力和变形。这就是为什么制造商必须仔细选择具有兼容“热膨胀系数”的材料，以确保最终产品的完整性。此外，“热膨胀系数”不仅与工程相关，也与日常生活息息相关。例如，在烹饪时，我们经常看到玻璃容器如果受到突然的温度变化会破裂。这是因为玻璃与内部食物的“热膨胀系数”不同。理解这一特性可以帮助我们避免厨房事故。此外，“热膨胀系数”在电子设备设计中也至关重要。由于电子产品在工作过程中会产生热量，组件可能会膨胀。如果用于连接不同部件的焊料的“热膨胀系数”与组件的差异很大，可能会导致电路故障。因此，工程师在设计电子设备时必须考虑这些系数，以提高其可靠性和使用寿命。总之，“热膨胀系数”是影响建筑、制造、烹饪和电子等多个领域的关键特性。通过理解材料如何对温度变化作出反应，我们可以做出明智的决策，从而导致更安全和更高效的设计。无论是建造桥梁、制造产品还是简单地烹饪一顿饭，“热膨胀系数”的影响无处不在，突显了它在我们日常生活中的重要性。因此，对于学生和专业人士来说，深入掌握这一概念至关重要，以便在各自领域有效应用。