local corrosion

简明释义

局部腐蚀

英英释义

例句

1.The bridge showed signs of local corrosion due to the accumulation of salt from road treatments.

由于路面处理时盐的积聚，这座桥出现了局部腐蚀的迹象。

2.Routine inspections revealed local corrosion on the ship's hull.

例行检查发现船体上有局部腐蚀。

3.We need to treat the areas affected by local corrosion before repainting.

在重新喷漆之前，我们需要处理受局部腐蚀影响的区域。

4.The presence of moisture can lead to local corrosion in electrical components.

潮湿的存在可能导致电子元件发生局部腐蚀。

5.Engineers must assess the local corrosion in the pipeline to prevent leaks.

工程师必须评估管道中的局部腐蚀以防止泄漏。

作文

Corrosion is a natural process that occurs when metals react with their environment, leading to deterioration and eventual failure of materials. Among various types of corrosion, local corrosion (局部腐蚀) stands out due to its unique characteristics and implications. Local corrosion refers to the localized breakdown of the protective oxide layer on a metal surface, which can lead to pitting, crevice corrosion, or other forms of damage that are not uniformly distributed across the material. This type of corrosion can occur in various environments, including marine, industrial, and even household settings.One of the primary concerns with local corrosion is that it can be difficult to detect until significant damage has occurred. Unlike uniform corrosion, which affects the entire surface of a metal object, local corrosion can create small pits or cracks that may go unnoticed until they compromise the integrity of the structure. For instance, in pipelines or storage tanks, local corrosion can lead to leaks, which can have catastrophic consequences if not addressed promptly.The causes of local corrosion are varied and often depend on the specific environment in which the metal is situated. Factors such as temperature, humidity, and the presence of aggressive ions like chloride can all contribute to the onset of local corrosion. In marine environments, for example, saltwater can significantly accelerate the corrosion process, making it a critical issue for ships and offshore structures. Similarly, in industrial settings, exposure to chemicals can lead to localized damage that threatens the safety and functionality of equipment.Preventing local corrosion requires a multifaceted approach. Regular inspections and maintenance are essential to identify early signs of corrosion before they develop into more serious issues. Techniques such as non-destructive testing can help detect local corrosion without causing further damage to the material. Additionally, implementing protective coatings or cathodic protection systems can provide a barrier against corrosive elements, reducing the likelihood of localized damage.In conclusion, understanding local corrosion (局部腐蚀) is crucial for maintaining the integrity of metal structures in various environments. The localized nature of this type of corrosion poses unique challenges for detection and prevention, making it imperative for industries and individuals alike to prioritize regular maintenance and protective measures. By staying informed about the risks associated with local corrosion, we can better safeguard our infrastructure and ensure its longevity.

腐蚀是一个自然过程，当金属与其环境反应时，会导致材料的退化和最终失效。在各种腐蚀类型中，local corrosion（局部腐蚀）因其独特的特征和影响而脱颖而出。Local corrosion 指的是金属表面保护氧化层的局部破坏，这可能导致点蚀、缝隙腐蚀或其他形式的损害，这些损害并不均匀分布在材料上。这种类型的腐蚀可以发生在各种环境中，包括海洋、工业甚至家庭环境。Local corrosion 的主要关注点之一是它可能在重大损害发生之前难以检测到。与均匀腐蚀不同，均匀腐蚀会影响金属物体的整个表面，而 local corrosion 可能会产生小孔或裂缝，可能在未被注意的情况下，直到它们危及结构的完整性。例如，在管道或储罐中，local corrosion 可能导致泄漏，如果不及时处理，可能会导致灾难性后果。Local corrosion 的原因多种多样，通常取决于金属所处的特定环境。温度、湿度和氯离子等侵蚀性离子的存在等因素都可能促进 local corrosion 的发生。例如，在海洋环境中，盐水可以显著加速腐蚀过程，使其成为船只和海洋结构的关键问题。同样，在工业环境中，暴露于化学品也可能导致局部损害，威胁设备的安全性和功能。防止 local corrosion 需要多方面的方法。定期检查和维护对于在腐蚀早期迹象发展成更严重问题之前识别它们至关重要。无损检测等技术可以帮助在不对材料造成进一步损害的情况下检测 local corrosion。此外，实施保护涂层或阴极保护系统可以为腐蚀性元素提供屏障，从而减少局部损害的可能性。总之，理解 local corrosion（局部腐蚀）对于维护各种环境中金属结构的完整性至关重要。这种腐蚀类型的局部特性给检测和预防带来了独特的挑战，因此各行业和个人都必须优先考虑定期维护和保护措施。通过了解与 local corrosion 相关的风险，我们可以更好地保护我们的基础设施，确保其持久性。