thermal strain

简明释义

热应变

英英释义

例句

1.The bridge experienced significant thermal strain during the heat wave, causing some sections to expand.

在热浪期间，桥梁经历了显著的热应变，导致一些部分膨胀。

2.The thermal strain in the metal components could lead to fatigue failure over time.

金属组件中的热应变可能会导致疲劳失效。

3.During the cooling process, the ceramic exhibited unexpected thermal strain that required further analysis.

在冷却过程中，陶瓷表现出意外的热应变，需要进一步分析。

4.Understanding thermal strain is crucial for the safety of aerospace structures subjected to extreme temperatures.

理解热应变对于承受极端温度的航空结构的安全至关重要。

5.Engineers must account for thermal strain when designing materials that will be exposed to high temperatures.

工程师在设计将暴露于高温的材料时，必须考虑热应变。

作文

Thermal strain is a critical concept in materials science and engineering, referring to the deformation that occurs in materials due to changes in temperature. When a material is heated, its particles gain energy and move apart, resulting in expansion. Conversely, cooling causes the particles to lose energy and come closer together, leading to contraction. This phenomenon can have significant implications in various applications, particularly in construction, manufacturing, and electronics. Understanding thermal strain (热应变) is essential for engineers and designers to ensure the integrity and longevity of structures and components.In civil engineering, for instance, bridges and buildings must withstand temperature changes throughout the year. As temperatures rise in the summer, materials such as steel and concrete expand. If engineers do not account for this thermal strain (热应变), the structures may experience undue stress, leading to cracks or even catastrophic failures. Expansion joints are often incorporated into designs to accommodate these changes, allowing materials to move without compromising structural integrity.Similarly, in the manufacturing sector, thermal strain (热应变) plays a vital role during processes such as welding and casting. When two pieces of metal are welded together, the heat causes local expansion. As the welded joint cools, it contracts. If not properly managed, this can result in warping or residual stresses, which may affect the performance of the final product. Engineers must carefully control heating and cooling rates to minimize thermal strain (热应变) and ensure high-quality outcomes.In the field of electronics, thermal strain (热应变) can impact the reliability of semiconductor devices. As electronic components generate heat during operation, they expand. If the materials used in the device have different coefficients of thermal expansion, the resulting mismatch can lead to mechanical stress and eventual failure. Therefore, selecting materials with compatible thermal properties is crucial in the design phase to mitigate the risks associated with thermal strain (热应变).Moreover, the effects of thermal strain (热应变) are not limited to physical structures; they also extend to natural phenomena. For example, volcanic activity is influenced by thermal strain within the Earth's crust. As magma rises and cools, it undergoes expansion and contraction, contributing to the fracturing of rocks and potentially leading to eruptions. Understanding these processes helps geologists predict volcanic activity and assess risks for nearby communities.In conclusion, thermal strain (热应变) is a fundamental aspect of material behavior that has far-reaching implications across various fields. Whether in engineering, manufacturing, electronics, or geology, recognizing and managing the effects of thermal strain is essential for ensuring safety, performance, and reliability. As technology advances and materials become more complex, the importance of understanding thermal strain (热应变) will only continue to grow, making it a crucial area of study for future engineers and scientists.