thermal stress

简明释义

热应力

英英释义

例句

1.The design of the furnace includes features to minimize thermal stress on the walls.

炉子的设计包括减少墙壁上热应力的特性。

2.Engine components must be designed to withstand thermal stress from high operating temperatures.

发动机部件必须设计成能够承受来自高工作温度的热应力。

3.Manufacturers must account for thermal stress when creating materials for aerospace applications.

制造商在为航空航天应用制造材料时必须考虑到热应力。

4.The bridge experienced significant thermal stress due to the rapid temperature changes during the summer.

由于夏季温度的快速变化，这座桥经历了显著的热应力。

5.When concrete cures, it can develop thermal stress if not properly managed.

如果管理不当，混凝土在固化时可能会产生热应力。

作文

Thermal stress is a critical concept in the fields of engineering and materials science. It refers to the stress induced in a material when it experiences changes in temperature. When materials are heated, they tend to expand, and when they cool, they contract. This expansion and contraction can lead to internal forces that cause deformation or even failure of the material if the stresses exceed the material's strength limits. Understanding thermal stress (热应力) is essential for designing structures and components that can withstand varying temperatures without succumbing to damage.In many engineering applications, such as in the construction of bridges, buildings, and pipelines, thermal stress (热应力) must be carefully considered. For instance, a bridge made of steel will expand during hot weather and contract when it gets cold. If the design does not account for this movement, it could lead to cracks or other structural failures. Engineers often use expansion joints in bridges to allow for this movement, thus preventing thermal stress (热应力) from causing damage.Moreover, the effects of thermal stress (热应力) are not limited to large structures. Even small components, such as electronic devices, can experience significant thermal stress (热应力) due to the heat generated by their operation. For example, if a computer processor overheats, the rapid change in temperature can cause the solder joints connecting the processor to the motherboard to crack, leading to device failure. Therefore, managing thermal stress (热应力) is crucial for ensuring the reliability and longevity of electronic products.In addition to mechanical applications, thermal stress (热应力) also plays a role in natural phenomena. For instance, rocks in the Earth's crust can undergo thermal stress (热应力) due to temperature fluctuations caused by day-night cycles or seasonal changes. This can lead to weathering and erosion, shaping the landscape over time. Understanding how thermal stress (热应力) affects geological materials helps scientists predict natural disasters like landslides or rockfalls, which can be critical for public safety.To mitigate the effects of thermal stress (热应力), engineers often employ various strategies. One common approach is to select materials with low coefficients of thermal expansion, which means they do not expand or contract significantly with temperature changes. Additionally, incorporating design features that accommodate movement, such as flexible joints or reinforcements, can help manage thermal stress (热应力). Furthermore, conducting thermal analysis during the design phase allows engineers to predict how a structure will behave under different temperature conditions, leading to safer and more efficient designs.In conclusion, thermal stress (热应力) is an important consideration in engineering, materials science, and geology. By understanding how temperature changes affect materials, engineers can create designs that are resilient to these stresses, ultimately ensuring safety and functionality. Whether in large infrastructures like bridges or everyday items like electronics, recognizing the implications of thermal stress (热应力) is vital for innovation and progress in various fields.