Unlike electroplating, electroless nickel coating does not use external electrical power to deposit a layer of this element on other metallic objects. Instead, it uses a chemical reaction that is auto-catalytic. It is done in the process of a reducing agent such as hydrated sodium hypophosphite or any other similar agent. It is a non-galvanic plating method that deposits a thick and uniform layer. This layer offers resistivity to corrosion and wears, chemical resistivity and lubricity. It is good to know more about Electroless nickel coating MI so as to provide durability for equipment.
There are three types of this form of plating. The first one is the low-phosphorous treatment deposits a hardness of sixty using the Rockwell scale. It offers great protection from corrosion by alkaline solutions. Medium phosphorus process results in alloys that are of moderate levels of phosphorus. It offers a high deposit rate and a decorative component. It is the most used type. The high phosphorus treatment is ideal for industries as it is highly resistant to corrosion from acidic environments.
This process is autocatalytic plating that involves a chemical reaction that uses one of the reactants products as the catalyst. It issued dissolved nickel and a reducing agent most commonly sodium hypophosphite. When the catalytic metal is dipped into the solution deposits are created around the metal immersed and the reaction continues because the deposits also act as catalysts. There are stabilizers used to regulate pH levels.
Before this process is carried out, the tool to be plated must be thoroughly cleaned using different chemicals. This is done in a process called the pretreatment process. If it is not done, the plating process may be ineffective and result in poor plating. After pretreatment, the material is rinsed using water which removes the chemicals used in case they have adhered to the surface.
For many years, this process had been in use especially in engineering and other related fields. They are mostly used to increase the strength of equipment used and increase resistance to corrosion from acidic and alkaline compounds. They are used in the manufacturing of paper handling equipment, electrical or mechanical tools, optical surfaces for diamond turning and much more.
Furthermore, it is applied in the automotive industry. However, there is a certain requirement that needs to be met. They types used should be free from heavy metal stabilizers. The hard disk drives are also protected from damaging the internal magnetic layer form any damage. It also provides an atomically smooth coating.
The preference of this form of playing is due to the many advantages that it has over other methods. It provides a coating that is slippery, bright, uniform and of the required thickness. It also does not need the use of electric current to be passed through the solution hence saves energy. However, chemicals have a short lifespan and require being continually replenished which increases costs used in their treatments.
Generally, this process is important as it results in improved mechanical and electrical properties and the cosmetic improvement of the tool to be plated. It is reliable and more preferred to electroplating. It improves the quality and gives superior lubrication and wear resistance.
There are three types of this form of plating. The first one is the low-phosphorous treatment deposits a hardness of sixty using the Rockwell scale. It offers great protection from corrosion by alkaline solutions. Medium phosphorus process results in alloys that are of moderate levels of phosphorus. It offers a high deposit rate and a decorative component. It is the most used type. The high phosphorus treatment is ideal for industries as it is highly resistant to corrosion from acidic environments.
This process is autocatalytic plating that involves a chemical reaction that uses one of the reactants products as the catalyst. It issued dissolved nickel and a reducing agent most commonly sodium hypophosphite. When the catalytic metal is dipped into the solution deposits are created around the metal immersed and the reaction continues because the deposits also act as catalysts. There are stabilizers used to regulate pH levels.
Before this process is carried out, the tool to be plated must be thoroughly cleaned using different chemicals. This is done in a process called the pretreatment process. If it is not done, the plating process may be ineffective and result in poor plating. After pretreatment, the material is rinsed using water which removes the chemicals used in case they have adhered to the surface.
For many years, this process had been in use especially in engineering and other related fields. They are mostly used to increase the strength of equipment used and increase resistance to corrosion from acidic and alkaline compounds. They are used in the manufacturing of paper handling equipment, electrical or mechanical tools, optical surfaces for diamond turning and much more.
Furthermore, it is applied in the automotive industry. However, there is a certain requirement that needs to be met. They types used should be free from heavy metal stabilizers. The hard disk drives are also protected from damaging the internal magnetic layer form any damage. It also provides an atomically smooth coating.
The preference of this form of playing is due to the many advantages that it has over other methods. It provides a coating that is slippery, bright, uniform and of the required thickness. It also does not need the use of electric current to be passed through the solution hence saves energy. However, chemicals have a short lifespan and require being continually replenished which increases costs used in their treatments.
Generally, this process is important as it results in improved mechanical and electrical properties and the cosmetic improvement of the tool to be plated. It is reliable and more preferred to electroplating. It improves the quality and gives superior lubrication and wear resistance.
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