electric corrosion

简明释义

电蚀

英英释义

Electric corrosion refers to the deterioration of metal caused by electrochemical reactions when two different metals are in contact in the presence of an electrolyte, leading to the loss of material from the more anodic metal.

电腐蚀是指当两种不同金属在电解质存在下接触时,由于电化学反应导致金属的劣化,从而使阳极金属的材料损失。

例句

1.To prevent electric corrosion 电腐蚀, we need to ensure proper grounding of all electrical systems.

为了防止electric corrosion 电腐蚀,我们需要确保所有电气系统的正确接地。

2.We installed a protective coating on the metal parts to reduce electric corrosion 电腐蚀 risks.

我们在金属部件上涂上保护涂层,以降低electric corrosion 电腐蚀的风险。

3.The technician explained that the pipes were damaged due to electric corrosion 电腐蚀 from nearby electrical equipment.

技术员解释说,管道因附近电气设备的electric corrosion 电腐蚀而受损。

4.Regular maintenance can help identify signs of electric corrosion 电腐蚀 before it becomes a serious issue.

定期维护可以帮助在electric corrosion 电腐蚀成为严重问题之前识别出迹象。

5.The bridge's support beams showed significant electric corrosion 电腐蚀 after years of exposure to electrical currents.

该桥的支撑梁在多年暴露于电流后显示出显著的electric corrosion 电腐蚀

作文

Electric corrosion, often referred to as galvanic corrosion, is a phenomenon that occurs when two dissimilar metals are in electrical contact in the presence of an electrolyte. This process can lead to significant damage and degradation of metal structures over time. Understanding electric corrosion is crucial for engineers and maintenance personnel to ensure the longevity and integrity of various infrastructures such as bridges, pipelines, and electrical systems.The mechanism behind electric corrosion (电腐蚀) involves the electrochemical reaction between the two metals. When these metals come into contact with an electrolyte, typically water containing salts or other conductive materials, a galvanic cell is formed. In this cell, one metal acts as the anode and the other as the cathode. The anode, which is the less noble metal, undergoes oxidation and loses electrons, while the cathode, being the more noble metal, gains electrons and remains protected.This process can be particularly problematic in environments where moisture is present, as it accelerates the rate of electric corrosion (电腐蚀). For example, in marine environments, saltwater can significantly enhance the conductivity of the electrolyte, leading to rapid corrosion of metal components. Engineers must take this into account when designing structures that will be exposed to such conditions.Preventing electric corrosion (电腐蚀) is essential for maintaining the safety and functionality of metal structures. There are several methods to mitigate this issue. One common approach is the use of sacrificial anodes, which are made of a more reactive metal that will corrode instead of the protected metal. By attaching these sacrificial anodes to the structure, they will oxidize preferentially, thereby preserving the integrity of the more valuable metal.Another strategy involves the application of protective coatings. These coatings serve as a barrier between the metal and the electrolyte, effectively preventing contact and reducing the likelihood of electric corrosion (电腐蚀). Various types of coatings, such as paints, varnishes, and specialized corrosion-resistant materials, can be used depending on the specific requirements of the application.Furthermore, proper material selection is critical in preventing electric corrosion (电腐蚀). Engineers should avoid pairing metals that have significantly different electrode potentials in environments where electrical contact might occur. For instance, using stainless steel in conjunction with aluminum in a wet environment may lead to accelerated corrosion of the aluminum due to its lower position in the galvanic series.In conclusion, electric corrosion (电腐蚀) is a significant concern in many engineering applications. By understanding the mechanisms behind this phenomenon and employing effective prevention strategies, we can extend the lifespan of metal structures and ensure their safe and efficient operation. As technology advances, ongoing research into new materials and corrosion-resistant technologies will play a vital role in combating the challenges posed by electric corrosion (电腐蚀). Ultimately, awareness and proactive measures are key to mitigating the risks associated with this destructive process.

电腐蚀,通常被称为电化学腐蚀,是一种现象,当两种不同的金属在电解质存在的情况下接触时,会发生这种现象。这一过程可能导致金属结构随着时间的推移而遭受显著的损害和退化。理解电腐蚀对于工程师和维护人员来说至关重要,以确保各种基础设施(例如桥梁、管道和电气系统)的耐用性和完整性。电腐蚀electric corrosion)背后的机制涉及两种金属之间的电化学反应。当这些金属与电解质(通常是含盐或其他导电材料的水)接触时,会形成一个电池。在这个电池中,一种金属作为阳极,另一种作为阴极。阳极是较不贵金属,经历氧化并失去电子,而阴极则是较贵金属,获得电子并保持保护。这个过程在潮湿环境中尤其成问题,因为它加速了电腐蚀electric corrosion)的速率。例如,在海洋环境中,盐水可以显著增强电解质的导电性,从而导致金属部件的快速腐蚀。工程师在设计将暴露于此类条件下的结构时,必须考虑这一点。防止电腐蚀electric corrosion)对维护金属结构的安全性和功能性至关重要。有几种方法可以减轻这个问题。一种常见的方法是使用牺牲阳极,这是一种更具反应性的金属,它会腐蚀而不是被保护金属。通过将这些牺牲阳极连接到结构上,它们将优先氧化,从而保持更有价值金属的完整性。另一种策略涉及涂层的应用。这些涂层作为金属和电解质之间的屏障,有效地防止接触并减少电腐蚀electric corrosion)的可能性。根据应用的具体要求,可以使用各种类型的涂层,如油漆、清漆和专门的耐腐蚀材料。此外,适当的材料选择对于防止电腐蚀electric corrosion)至关重要。工程师应避免在可能发生电接触的环境中配对电极电位差异显著的金属。例如,在潮湿环境中将不锈钢与铝结合使用可能会导致铝的加速腐蚀,因为它在电化学系列中的位置较低。总之,电腐蚀electric corrosion)在许多工程应用中是一个重要的问题。通过理解这一现象背后的机制并采用有效的预防策略,我们可以延长金属结构的使用寿命,确保其安全和高效的运行。随着技术的进步,针对新材料和耐腐蚀技术的持续研究将在应对电腐蚀electric corrosion)带来的挑战中发挥重要作用。最终,意识和主动措施是减轻与这一破坏性过程相关风险的关键。

相关单词

corrosion

corrosion详解:怎么读、什么意思、用法