By now you will be fully aware of what chrome plating is, but what is its history? Where did it originate from? Read on to find out!
How exactly do you chrome plate an item?
Chrome plating is the process of applying a layer of chromium onto a material, most commonly metal. Although it’s sometimes used for the purpose of decoration, chrome plating can be used for a number of purposes, including the protection of material layers. It’s a fantastic combatant of metal corrosion too.
The process of chrome plating includes five (somewhat basic) stages. First of all, a high amount of attention is paid to the object that is going to receive chrome plating. This could be a number of things, so it isn’t really particular what this might be. A number of chemicals are used in order to completely degrease the metals, ensuring that the surface is completely free of any components that may cause the chrome plating process to fail.
For the next major stage of the chrome plating process, the treated metal with undergo a number of further treatments in order to smooth the surface. Ensuring that the metal surface is as smooth as can be, the chrome plating outcome will result in a much higher degree of integrity over a longer time period. After being completely sure that the surface is smooth, the metal is carefully placed into a vat filled with treatment solution, which allows the metal to be gradually warmed up to the perfect temperature in order to apply optimal chrome plating.
In the final stage of the chrome plating process, the actual plating can begin. A vat is filled with chrome (chromium) components, allowing the compounds to find their way into the metal surface. The amount of time in which the metal remains inside the vat will always depend on the degree of thickness that’s desired for chrome plating.
Chrome plating is a fantastic technology, as it allows metal items to deal with exposure for a number of years. The metal bumpers on the front of vehicles is a fantastic example of chrome plating that holds itself up for decades, only needing general maintenance to keep in top condition.
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Though we all see chrome in our day to day lives, not many people know about it. So, just what exactly is Chrome and how do you make it? Find out in our latest blog right here!
What exactly is chrome?
Chrome (short for chromium), is a metal that is applied to the surface of an object. A product cannot be made of solid chrome, instead a thin layer is applied in a manner that’s either chrome plating, chrome dipping or chroming. The objects in which chrome can be applied to are endless, yet they’re mostly made up of steel. Other elements that can be used are copper, brass and aluminium.
What’s good to remember is that, just because something holds a shiny finish doesn’t mean it has a chrome finish. Many people would say that aluminium motorbike parts that have been polished to a high level of brightness are “chrome”, yet they’re actually not.
So, how exactly can you tell the two apart? It can be difficult at times to see differences, but when they’re compared up close, chrome has itself a massive advantage over a simple polished metal. Chrome plating is a highly reflective method, holding a bluer and more specular finish than others.
Chrome plating will reflect everything, holding a fantastic finish that cannot be put into words.
What’s the difference between the chrome processes?
Chrome is applied to surfaces through a process called ‘electroplating’, which gives an even level of application on all areas of the surface. It isn’t just dripped on either, so electroplating is the only process used in this manner.
It’s also good to know that even though they’re all applied in the same manner, not all chrome processes will offer the same outcome. There are two separate applications of chrome plating: “hard chrome plating” and “decorative chrome plating”.
So, what are hard and decorative chrome plating?
Hard Chrome Plating
Not many people would have an experience with hard chrome plating, as it’s a process of chrome plating where the application of the coat is fairly heavy. The coat is applied in this manner for wear resistance, oil retention and various ‘wear’ purposes that may have an effect on the surface. Some examples would be piston rings.
Decorative Chrome Plating
Decorative chrome plating is regularly called nickel-chrome plating, simply because it involves electroplating nickel onto the object prior to plating it with chrome. The nickel plating process provides a layer of nickel which gives the surface smoothness, corrosion resistance, and even reflectivity. The chrome plating applied is exceptionally thin.
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There are a number of corrosion protection methods, but what exactly are they?
Active corrosion protection
The end goal of active corrosion protection is mostly to influence the reactions which often happens during corrosion, with the result being able to control not only the package contents, but also the reaction itself. This is done in such a manner that corrosion is avoided. Examples of this can be found in the development of corrosion-resistant alloys, along with inhibitors.
Passive corrosion protection
In passive corrosion protection, damage is ultimately prevented by isolating the contents from the aggressive corrosive agents by using various protective layers or films. However, though this is a form of protection, using this type of corrosion protection will not change the ability of the packaging contents corrosion chances, nor will it change the aggressive levels of the corrosive agent. This approach is known as ‘passive corrosion’ protection.
Permanent corrosion protection
The purpose of permanent corrosion protection is to provide any protection at the place of use. The stresses presented by biotic, climatic and chemical factors are often slight in this situation. Machines are located in factory sheds and are therefore protected from the extreme variations in temperature that can happen, which is the common cause of condensation.
Temporary corrosion protection
The stresses that can occur during transport and storage are often greater than those that occur at the place of use. Stresses can be manifested, for example, from extreme variations in temperature, which often result in a risk of condensation.
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