stress corrosion

简明释义

应力腐蚀

英英释义

例句

1.The company implemented new materials to resist stress corrosion 应力腐蚀 in their products.

该公司采用新材料以抵抗其产品中的stress corrosion 应力腐蚀。

2.To prevent stress corrosion 应力腐蚀, regular maintenance is essential for all metallic components.

为了防止stress corrosion 应力腐蚀，定期维护对所有金属部件至关重要。

3.The engineer explained that stress corrosion 应力腐蚀 can significantly weaken metal structures over time.

工程师解释说，stress corrosion 应力腐蚀 会随着时间的推移显著削弱金属结构。

4.During the inspection, we found signs of stress corrosion 应力腐蚀 in the pipeline joints.

在检查过程中，我们发现管道接头处有stress corrosion 应力腐蚀 的迹象。

5.The research focused on the effects of stress corrosion 应力腐蚀 in high-temperature environments.

这项研究集中于高温环境中stress corrosion 应力腐蚀 的影响。

作文

Stress corrosion is a phenomenon that occurs when a material, typically a metal, is subjected to both tensile stress and a corrosive environment. This combination can lead to the initiation and propagation of cracks, ultimately resulting in material failure. Understanding stress corrosion (应力腐蚀) is crucial for engineers and materials scientists, as it helps in predicting the lifespan of structures and components under various conditions.The process of stress corrosion (应力腐蚀) begins with the presence of a corrosive medium, such as saltwater or acidic solutions. When a metal is under tensile stress, even if it is below its yield strength, the stress can significantly lower the energy barrier for crack initiation. The cracks may form at microscopic levels and can propagate rapidly, often without any visible signs until significant damage has occurred.One of the most common examples of stress corrosion (应力腐蚀) is found in stainless steel, which is widely used in construction and manufacturing. In environments containing chlorides, such as coastal areas or chemical processing plants, stainless steel can experience stress corrosion (应力腐蚀) cracking. This is particularly concerning because stainless steel is generally considered resistant to corrosion. However, when combined with tensile stress, the protective oxide layer can be compromised, leading to severe failures.To mitigate the risks associated with stress corrosion (应力腐蚀), several strategies can be employed. One effective method is to reduce the applied stress through design modifications or by using materials that are less susceptible to corrosion. Additionally, applying protective coatings can help shield the metal from corrosive agents. Another approach is to use cathodic protection, which involves applying a small electrical current to counteract the electrochemical reactions that lead to corrosion.Regular inspections and maintenance are also critical in managing stress corrosion (应力腐蚀). Non-destructive testing methods, such as ultrasonic testing or dye penetrant inspection, can help detect early signs of cracking before they lead to catastrophic failures. By understanding the environmental conditions and stresses that a material is exposed to, engineers can better predict when stress corrosion (应力腐蚀) might occur and take preemptive measures.In conclusion, stress corrosion (应力腐蚀) is a significant concern in materials engineering, especially for metals exposed to harsh environments while under stress. Awareness of this issue is essential for the longevity and safety of structures and components. By employing preventive measures and regular monitoring, the risks associated with stress corrosion (应力腐蚀) can be effectively managed, ensuring the integrity of critical infrastructure and industrial applications.