thermal stresses

简明释义

温度应力

英英释义

例句

1.In order to minimize thermal stresses 热应力, it is crucial to control the heating and cooling rates during processing.

为了最小化热应力，在加工过程中控制加热和冷却速率至关重要。

2.The engineers had to account for thermal stresses 热应力 when designing the bridge to ensure its longevity.

工程师在设计桥梁时必须考虑热应力以确保其耐久性。

3.The team conducted simulations to predict the effects of thermal stresses 热应力 on the aircraft fuselage.

团队进行了模拟，以预测热应力对飞机机身的影响。

4.When cooling down from high temperatures, materials often experience thermal stresses 热应力 that can cause cracking.

从高温冷却时，材料常常会经历热应力，这可能导致开裂。

5.During the manufacturing process, thermal stresses 热应力 can lead to warping of metal components.

在制造过程中，热应力可能导致金属部件变形。

作文

Thermal stresses are a crucial concept in the field of materials science and engineering. They arise when materials expand or contract due to temperature changes, leading to internal forces that can cause deformation or even failure. Understanding thermal stresses (热应力) is essential for engineers and designers who work with materials that experience temperature variations during their service life.When a material is subjected to heat, its particles gain energy and move apart, causing the material to expand. Conversely, when it cools down, the particles lose energy and come closer together, resulting in contraction. This process is straightforward in theory, but in practice, it can lead to complex interactions within the material. For example, if one part of a structure heats up while another part remains cool, the uneven expansion can create significant thermal stresses (热应力) that may lead to cracks or other forms of damage.One common scenario where thermal stresses (热应力) play a critical role is in the construction of bridges. During the day, the sun heats the metal components of the bridge, causing them to expand. At night, as temperatures drop, these components contract. If the design does not account for this expansion and contraction, it could lead to structural failures over time. Engineers must carefully calculate the expected thermal stresses (热应力) to ensure the bridge can withstand these forces without compromising safety.Another example is in the manufacturing of glass. Glass is a brittle material that does not handle thermal stresses (热应力) well. When glass is heated unevenly, such as when it is exposed to a flame on one side while remaining cool on the other, it can crack or shatter due to the high levels of thermal stresses (热应力) created by the temperature difference. To mitigate this risk, manufacturers often use techniques like annealing, which involves slowly cooling the glass to relieve internal stresses.In the context of electronics, thermal stresses (热应力) are also a significant concern. As electronic devices operate, they generate heat, which can cause components to expand. If these components are bonded together, the different rates of expansion can create thermal stresses (热应力) that may lead to failures in solder joints or other connections. Designers must consider these factors when creating circuits to ensure reliability and longevity.Moreover, the effects of thermal stresses (热应力) are not limited to mechanical failures. They can also influence the performance of materials. For instance, certain materials may exhibit changes in their electrical or magnetic properties under high thermal stresses (热应力). This can be particularly important in applications such as aerospace, where materials are subjected to extreme temperatures during flight.In conclusion, understanding thermal stresses (热应力) is vital for anyone involved in the design and analysis of materials and structures. By accounting for the effects of temperature changes, engineers can create safer, more reliable products that stand the test of time. Whether in construction, manufacturing, or electronics, the implications of thermal stresses (热应力) are far-reaching and should not be overlooked.