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Manufacturing Technology Insights | Wednesday, February 09, 2022
Manufacturers are frequently on the lookout for cost-effective, maintenance-free, and simple-to-apply solutions that will extend the life of an asset; nevertheless, they must select the appropriate corrosion prevention techniques
Fremont, CA: The necessity of corrosion protection must be understood by manufacturers. Rust and other forms of corrosion can compromise the safety and integrity of the company's equipment and supplies. Costs might rise even with routine maintenance to remove and repair corrosion. Fortunately, there are a number of things manufacturers can do to prevent rust. We'll look at five approaches that are both inexpensive and effective.
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Here are the ways to prevent corrosion:
Barrier coatings
Barrier coatings such as paint, plastic, or powder are one of the simplest and cheapest ways to prevent corrosion. Epoxy, nylon, and urethane powders bond to the metal surface to form a thin coating. Metal surfaces are frequently treated with plastic and waxes. Paintworks can act as a barrier, protecting the metal surface from corrosive chemicals' electrochemical charge. Today's paint systems are made up of multiple layers of paint that each serve a particular purpose. The priming coat functions as an inhibitor, the intermediate coat increases the overall thickness of the paint, and the finish coat gives environmental protection.
Alloyed steel
Combining the qualities of multiple metals to provide increased strength and resistance to the finished product, alloy steel is one of the most efficient corrosion protection solutions available. Combining corrosion-resistant nickel with oxidation-resistant chromium, for example, creates an alloy that may be used in both oxidized and reduced chemical conditions. Different alloys provide resilience to various situations, allowing businesses to be more flexible.
Cathodic protection
Cathodic protection is a type of electrochemical protection. The active sites on the metal surface are turned to passive sites by delivering electrons from another source, often galvanic anodes attached to or near the surface, to avoid corrosion. Aluminum, magnesium, or zinc are some of the metals utilized as anodes.
Hot-dip galvanization
This method of corrosion prevention is dipping steel in molten zinc. The zinc combines with the iron in the steel to form a closely bound alloy layer that protects the steel. The method has been utilized for corrosion prevention of things like artistic statues and playground equipment for more than 250 years. Galvanization cannot be done on-site; thus, enterprises must remove equipment from service to be treated.
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