Monday, June 10, 2019

Interesting Facts About Pitting Corrosion

By Christopher Kelly


Many persons working in the construction or engineering industry may find metal as one of the most flexible materials to work with. Considering that it has a large variety of alloys and can be applied to several projects, one can easily see its overall appeal. However, there are certain instances where its durability can become a safety issue. Here are some things you need to know about rust pitting.

To start, pitting corrosion refers to the breaking down of metal in a particular local area. At first glance, these pits are barely noticeable and can only be noted once they are in the latter stages of its development thus making it a bigger risk than normal. In fact, modern accidents during the industrial age can be attributed to corrosion found beneath the surface.

There are several factors that contribute to its formation. The first is the fact that users picked certain metal that may be susceptible to early damage. While this component is considered some of the most durable materials to work with, some options are more susceptible to pitting. Some examples include low alloy options, stainless steel, and aluminum alloy.

Another instance that contributes to pitting is not choosing the right kind of component for your project. For instance, low alloy metals are generally more susceptible to cavity formation due to its composition. In fact, most high alloys are generally less likely to rust and can be used in a number of different projects thus making it a more desirable choice.

Last is using a combination of both metal and nonmetal materials. Nonmetal components like wood are often fragile to extreme weather conditions which are why they are often combined with more stable materials like stainless steel. However, this does not guarantee overall safety since neither is able to compensate each weakness thus resulting in more cavities to form.

Last is the mixture of nonmetal materials over the surface of a metal. This more or less refers to a heterogeneous component where if the nonmetal part of said component is corroded, it can also affect the stability of its other components as well due to its proximity. Eventually this will result into a pit where it becomes permeable to moisture and other factors.

Second is applying effective coating. Industrial coating is a handy substance that serves as a protective layer to keep your project safe from harm. During application, make sure to follow the set directions as closely as possible to ensure that every surface has an even amount of coating. Follow this up with a routine inspection check to identify whether it needs a touch up.

Next, try to ensure balance in your closest surroundings as much as possible. While one cannot change the weather, there are instances where indoor projects can be protected so long as clients make the best investments. For example, for indoor projects make sure to set the temperature, pH levels, and chloride concentrations at optimal levels to prevent excess buildup.

Pit corrosion can lead to a lot of dangers if not taken care of properly. Considering that most injury occurs beyond surface level, one does not immediately notice some of its early stages of said problem until it is too late to recover from it. To prevent this, clients are expected to follow reliable safety measures while also seeking counsel from an expert contractor.




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