The electroless nickel (EN) plating process creates a nickel phosphorous covering which could be used in enhancing wear and tear resistance, increase the hardness of a surface and enhance corrosion. The plating does not require the introduction of any electric current into the plating surface. Instead this process occurs as a result of a chemical reaction. The article highlights elements you should know about the electroless nickel coating MI.
The plating has the capability of providing a uniform coating. The uniformity is due to the chemical process and it consequently gives a surface that is flexible in controlling the thickness of the coating. However, the process of producing such surfaces is complicated and it requires absolute attention and precision.
Make sure the parts are prepared. The materials to be used ought to be clean. Contaminated parts will compromise the outcome of the coating. It is best you wash them yourself then rinse just to be sure there is no particle from the last chemical process.
Ensure that the water you are using is completely pure. The entire chemical process can be compromised if the water contains impurities. It is, therefore, wise that the water is tested and purified completely to get rid of possible contaminants like ions, foreign matter among other substances.
Consider the kind of tank you will use for this process. It is advisable that you either use a polypropylene or stainless steel tank during this process. The stainless tanks, for instance, will last for long but they will require passivation process to make them anodic. Polypropylene is hence the most preferred as it will prevent the plate out of the EN back in that tank.
Filtering is another thing to consider. When you filter, you eliminate the insoluble materials. With the insoluble materials removed you stand a better chance of coming up with a more pure solution for the process. This will then, in turn, complete the coating giving you the best results.
Remember the needed temperature controls. The temperature of the plating process should be continuously monitored. For instance, if you have high temperatures, you will have a scenario where there is a speed up in the decomposition of the process. Low temperatures will delay the process which will affect the final coating to be produced.
Always conduct a continuous solution testing. An effective bath plating process requires a good balance of all the necessary chemicals. Hence, continuous monitoring is essential to ensure that all the chemicals are in the right quantities. Moreover, in the event of a problem, you can correct the problem in the initial stages instead of getting a discrepancy towards the end of that process.
Also, make sure you have the post treatment processes. The outcome of the process can be stained. You can avoid this by having the post treatment, this way you will be sure that the results will be positive. You can also assess the possible outcome and rectify if the outcome is not as expected.
The plating has the capability of providing a uniform coating. The uniformity is due to the chemical process and it consequently gives a surface that is flexible in controlling the thickness of the coating. However, the process of producing such surfaces is complicated and it requires absolute attention and precision.
Make sure the parts are prepared. The materials to be used ought to be clean. Contaminated parts will compromise the outcome of the coating. It is best you wash them yourself then rinse just to be sure there is no particle from the last chemical process.
Ensure that the water you are using is completely pure. The entire chemical process can be compromised if the water contains impurities. It is, therefore, wise that the water is tested and purified completely to get rid of possible contaminants like ions, foreign matter among other substances.
Consider the kind of tank you will use for this process. It is advisable that you either use a polypropylene or stainless steel tank during this process. The stainless tanks, for instance, will last for long but they will require passivation process to make them anodic. Polypropylene is hence the most preferred as it will prevent the plate out of the EN back in that tank.
Filtering is another thing to consider. When you filter, you eliminate the insoluble materials. With the insoluble materials removed you stand a better chance of coming up with a more pure solution for the process. This will then, in turn, complete the coating giving you the best results.
Remember the needed temperature controls. The temperature of the plating process should be continuously monitored. For instance, if you have high temperatures, you will have a scenario where there is a speed up in the decomposition of the process. Low temperatures will delay the process which will affect the final coating to be produced.
Always conduct a continuous solution testing. An effective bath plating process requires a good balance of all the necessary chemicals. Hence, continuous monitoring is essential to ensure that all the chemicals are in the right quantities. Moreover, in the event of a problem, you can correct the problem in the initial stages instead of getting a discrepancy towards the end of that process.
Also, make sure you have the post treatment processes. The outcome of the process can be stained. You can avoid this by having the post treatment, this way you will be sure that the results will be positive. You can also assess the possible outcome and rectify if the outcome is not as expected.
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