thermal stress

简明释义

热应力

英英释义

例句

1.During the manufacturing process, thermal stress 热应力 can lead to cracks in the ceramic components.

在制造过程中，热应力可能导致陶瓷部件出现裂缝。

2.The engineer explained that the bridge could experience significant thermal stress 热应力 during extreme temperature changes.

工程师解释说，桥梁在极端温度变化时可能会经历显著的热应力。

3.The team used simulations to predict how thermal stress 热应力 would affect the spacecraft during re-entry.

团队使用模拟来预测热应力在航天器再入过程中将如何影响其性能。

4.To prevent thermal stress 热应力, materials must be carefully selected for high-temperature applications.

为了防止热应力，必须为高温应用仔细选择材料。

5.In construction, understanding thermal stress 热应力 is crucial for ensuring the longevity of buildings.

在建筑中，理解热应力对于确保建筑物的耐久性至关重要。

作文

Thermal stress is a term that refers to the mechanical stress induced in a material due to changes in temperature. When materials are subjected to temperature fluctuations, they expand or contract, which can lead to significant internal forces. Understanding thermal stress (热应力) is crucial in various fields such as engineering, construction, and manufacturing, where materials must withstand environmental conditions without failing. For instance, consider a bridge made of steel. During hot summer days, the temperature of the steel can rise significantly, causing it to expand. Conversely, during cold winter nights, the temperature drops, leading the steel to contract. This continuous cycle of expansion and contraction generates thermal stress (热应力) within the material. If the stress exceeds the material's yield strength, it may result in permanent deformation or even catastrophic failure. Therefore, engineers must factor in thermal stress (热应力) when designing structures to ensure safety and longevity.In addition to structural applications, thermal stress (热应力) also plays a vital role in manufacturing processes. For example, during the cooling phase of metal casting, the outer layer of the cast may solidify while the inner part remains molten. As the outer layer cools and contracts, it creates thermal stress (热应力) that can lead to cracking or warping of the final product. To mitigate these risks, manufacturers often implement controlled cooling rates and use materials designed to handle such stresses.Moreover, thermal stress (热应力) can also affect electronic devices. As electronics operate, they generate heat, which can lead to thermal expansion of components. If different parts of a device expand at different rates, this can create thermal stress (热应力) that may damage sensitive components or connections. Thus, designers must consider thermal stress (热应力) in the design of electronic circuits and systems to enhance reliability and performance.Understanding the implications of thermal stress (热应力) is essential for predicting the behavior of materials under varying temperatures. Engineers often use mathematical models and simulations to analyze how materials will respond to thermal changes. These tools help in predicting potential failures and in developing strategies to minimize thermal stress (热应力).In conclusion, thermal stress (热应力) is a critical concept that affects many aspects of material science and engineering. Whether in construction, manufacturing, or electronics, recognizing and managing thermal stress (热应力) is vital for ensuring the integrity and functionality of materials and structures. By understanding how temperature changes influence material behavior, engineers can design safer and more efficient systems, ultimately leading to advancements in technology and infrastructure. As we continue to innovate and develop new materials, the importance of thermal stress (热应力) will only grow, making it an essential consideration in modern engineering practices.

热应力是一个术语，指的是由于温度变化而在材料中引发的机械应力。当材料受到温度波动时，它们会膨胀或收缩，这可能导致显著的内部力。理解热应力（thermal stress）在工程、建筑和制造等多个领域至关重要，因为这些领域的材料必须承受环境条件而不发生故障。例如，考虑一座由钢制成的桥。在炎热的夏季，钢材的温度可能会显著上升，导致其膨胀。相反，在寒冷的冬季夜晚，温度下降，使得钢材收缩。这种膨胀与收缩的循环会在材料内部产生热应力（thermal stress）。如果应力超过材料的屈服强度，就可能导致永久变形甚至灾难性故障。因此，工程师在设计结构时必须考虑热应力（thermal stress），以确保安全性和耐用性。除了结构应用外，热应力（thermal stress）在制造过程中也起着至关重要的作用。例如，在金属铸造的冷却阶段，铸件的外层可能会固化，而内部仍然是熔融状态。随着外层冷却并收缩，会产生热应力（thermal stress），这可能导致最终产品的开裂或变形。为了减轻这些风险，制造商通常会实施受控的冷却速率，并使用能够承受这种应力的材料。此外，热应力（thermal stress）还可能影响电子设备。电子设备在运行时会产生热量，这可能导致组件的热膨胀。如果设备的不同部分以不同的速度膨胀，就会产生可能损坏敏感组件或连接的热应力（thermal stress）。因此，设计师在电子电路和系统的设计中必须考虑热应力（thermal stress），以提高可靠性和性能。理解热应力（thermal stress）的影响对于预测材料在不同温度下的行为至关重要。工程师通常使用数学模型和模拟来分析材料对热变化的响应。这些工具有助于预测潜在的故障，并制定减少热应力（thermal stress）的策略。总之，热应力（thermal stress）是影响材料科学和工程许多方面的关键概念。无论是在建筑、制造还是电子领域，认识和管理热应力（thermal stress）对于确保材料和结构的完整性和功能至关重要。通过了解温度变化如何影响材料行为，工程师可以设计出更安全、更高效的系统，从而推动技术和基础设施的发展。随着我们继续创新和开发新材料，热应力（thermal stress）的重要性只会增加，使其成为现代工程实践中的一个重要考虑因素。