stress corrosion

简明释义

应力腐蚀

英英释义

例句

1.Regular inspections are necessary to detect stress corrosion 应力腐蚀 before it leads to failure.

定期检查是必要的，以便在应力腐蚀导致故障之前发现它。

2.Engineers are concerned about stress corrosion 应力腐蚀 cracking in the pipelines.

工程师们对管道中的应力腐蚀裂纹表示担忧。

3.The research focused on the effects of stress corrosion 应力腐蚀 on aluminum alloys.

研究集中在应力腐蚀对铝合金的影响上。

4.They implemented a new coating to mitigate stress corrosion 应力腐蚀 in the reactor vessels.

他们实施了一种新涂层，以减轻反应堆容器中的应力腐蚀。

5.The bridge showed signs of stress corrosion 应力腐蚀 due to prolonged exposure to salty air.

这座桥因长时间暴露在盐雾中而出现了应力腐蚀的迹象。

作文

Stress corrosion is a phenomenon that occurs in materials, particularly metals, when they are subjected to tensile stress and exposed to a corrosive environment. This combination can lead to the formation of cracks and ultimately result in catastrophic failure of components. Understanding this process is crucial for engineers and designers, as it can significantly impact the safety and longevity of structures and machinery. In many industries, such as oil and gas, aerospace, and civil engineering, components are often under constant stress due to operational loads. When these components are also exposed to corrosive agents, such as saltwater or acidic environments, the risk of stress corrosion (应力腐蚀) increases dramatically. For instance, pipelines transporting oil or gas may experience stress corrosion (应力腐蚀) cracking if they are not adequately protected from environmental factors.The mechanisms behind stress corrosion (应力腐蚀) involve both electrochemical reactions and mechanical stress. As the material undergoes stress, micro-cracks can initiate at the surface where the corrosive agents penetrate. Over time, these cracks can grow, leading to a complete fracture of the material. This process is often insidious, as the damage may not be visible until it is too late. To mitigate the risks associated with stress corrosion (应力腐蚀), several strategies can be employed. One common approach is to use materials that are more resistant to corrosion. For example, stainless steel alloys are often used in applications where stress corrosion (应力腐蚀) is a concern due to their enhanced resistance to environmental degradation. Additionally, protective coatings can be applied to surfaces to create a barrier between the metal and corrosive agents.Another important strategy involves the application of cathodic protection, which is an electrochemical method used to prevent corrosion. By applying a small electric current to the metal, it can be made less susceptible to stress corrosion (应力腐蚀). Regular inspection and maintenance are also key components in managing the risks associated with stress corrosion (应力腐蚀). Non-destructive testing methods can help detect early signs of cracking, allowing for timely repairs before a failure occurs.In conclusion, stress corrosion (应力腐蚀) is a critical issue that must be addressed in the design and maintenance of structural components. With the right materials, protective measures, and regular inspections, the risks associated with stress corrosion (应力腐蚀) can be significantly reduced. Engineers and industry professionals must remain vigilant and informed about the latest developments in material science and corrosion prevention techniques to ensure the safety and reliability of their structures and systems.

应力腐蚀是一种现象，当材料，特别是金属，受到拉伸应力并暴露在腐蚀环境中时，就会发生这种现象。这种组合可能导致裂纹的形成，并最终导致组件的灾难性失效。理解这一过程对于工程师和设计师至关重要，因为它会显著影响结构和机械的安全性和使用寿命。在许多行业中，如石油和天然气、航空航天以及土木工程，组件由于操作负荷而经常处于持续应力之下。当这些组件也暴露于腐蚀性物质（如盐水或酸性环境）时，应力腐蚀的风险就会显著增加。例如，运输石油或天然气的管道如果没有得到充分保护，可能会经历应力腐蚀开裂。应力腐蚀的机制涉及电化学反应和机械应力。当材料承受应力时，微裂纹可能在腐蚀性物质渗透的表面处产生。随着时间的推移，这些裂纹可能会生长，导致材料完全断裂。这个过程通常是隐蔽的，因为损伤可能在为时已晚之前不可见。为了减轻与应力腐蚀相关的风险，可以采用几种策略。一种常见的方法是使用对腐蚀更具抵抗力的材料。例如，因其对环境降解的增强抵抗力，不锈钢合金通常用于应力腐蚀成为关注的问题的应用。此外，可以在表面涂覆保护涂层，以在金属与腐蚀性物质之间形成屏障。另一种重要策略是施加阴极保护，这是一种防止腐蚀的电化学方法。通过向金属施加小电流，可以使其对应力腐蚀的敏感性降低。定期检查和维护也是管理与应力腐蚀相关风险的关键组成部分。无损检测方法可以帮助检测早期裂纹迹象，从而在发生故障之前进行及时修复。总之，应力腐蚀是一个关键问题，必须在结构组件的设计和维护中加以解决。通过选择合适的材料、采取保护措施和定期检查，可以显著降低与应力腐蚀相关的风险。工程师和行业专业人士必须保持警惕，了解材料科学和腐蚀预防技术的最新发展，以确保其结构和系统的安全性和可靠性。