thermal distortion
简明释义
热成畸变
英英释义
Thermal distortion refers to the change in shape or dimensions of an object due to temperature variations, which can cause expansion or contraction of materials. | 热变形是指由于温度变化导致物体形状或尺寸的变化,这可能导致材料的膨胀或收缩。 |
例句
1.To prevent thermal distortion 热变形, the manufacturing process was adjusted to include slower cooling rates.
为了防止热变形 thermal distortion,制造过程被调整为包括更慢的冷却速率。
2.The thermal distortion 热变形 of the glass during the cooling process can lead to cracks and defects.
在冷却过程中,玻璃的热变形 thermal distortion 可能导致裂缝和缺陷。
3.Manufacturers must minimize thermal distortion 热变形 in precision components to maintain tight tolerances.
制造商必须最小化精密部件中的热变形 thermal distortion,以保持严格的公差。
4.During the testing phase, the thermal distortion 热变形 of the metal parts was measured to assess their performance under heat.
在测试阶段,金属部件的热变形 thermal distortion 被测量,以评估它们在高温下的性能。
5.The engineers had to account for thermal distortion 热变形 when designing the bridge to ensure it could withstand temperature fluctuations.
工程师们在设计桥梁时必须考虑到热变形 thermal distortion,以确保它能够承受温度波动。
作文
Thermal distortion is a phenomenon that occurs when materials expand or contract due to temperature changes. This can lead to significant alterations in the shape and dimensions of an object, which may affect its functionality and performance. In engineering and manufacturing, understanding thermal distortion(热变形) is crucial for ensuring the integrity of components in various applications, from aerospace to electronics.When materials are subjected to heat, their molecules gain energy and move apart, causing the material to expand. Conversely, when they cool down, the molecules lose energy and come closer together, resulting in contraction. This behavior is governed by the material's thermal expansion coefficient, which varies between different substances. For instance, metals typically have a higher thermal expansion coefficient than ceramics, making them more susceptible to thermal distortion(热变形) under temperature fluctuations.In practical applications, thermal distortion(热变形) can lead to issues such as misalignment of mechanical parts, deformation of structural components, and even failure of electronic devices. For example, in the aerospace industry, components like wings and fuselage must withstand extreme temperature variations during flight. Engineers must account for thermal distortion(热变形) in their designs to prevent catastrophic failures.Another area where thermal distortion(热变形) plays a significant role is in the manufacturing process, particularly in welding and machining. When metal is welded, the heat input can cause localized expansion, followed by cooling and contraction. This can result in warping or residual stresses in the welded joint, which may compromise the strength and durability of the structure. To mitigate these effects, manufacturers often use preheating techniques or post-weld heat treatment to relieve stresses and minimize thermal distortion(热变形).Moreover, in the field of electronics, thermal distortion(热变形) can impact the reliability of circuit boards and components. As electronic devices generate heat during operation, the materials within them can expand and contract, leading to potential cracking or failure of solder joints. Engineers must design circuits with appropriate thermal management strategies to reduce the risk of thermal distortion(热变形) and ensure long-term reliability.In conclusion, thermal distortion(热变形) is a critical factor that engineers and designers must consider across various industries. By understanding how materials respond to temperature changes, it is possible to create more robust and reliable products. Whether it's in aerospace, manufacturing, or electronics, addressing thermal distortion(热变形) during the design and production phases can enhance performance and longevity, ultimately leading to safer and more efficient technologies.
相关单词