write information about electroplating and make a list of articles in day to day life where this technique is used?
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Process of applying a thin layer of one metal on another is called electroplating.
Ex- A steel spoon with plating of silver.
Ex- A steel spoon with plating of silver.
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Electroplating - Electroplating is a process of applying metal coating on another piece of metal through an electro deposition process. Generally it is Done to protect Any Metal from Rust.
Electroplating are used in -
Some metals are considered far more attractive and valuable than others, gold and silver being the oldest and most obvious examples. But gold and silver are rare and expensive. Through electroplating, a very thin layer of gold or silver can coat a less valuable metal, making a final product with all the luster and beauty of those rare metals, at a fraction of the cost.
Protection
Electroplating can also protect surfaces by covering them with a thin layer of metal that will be more resistant to corrosion than the material of which they are primarily composed. Zinc and cadmium protect the underlying surface by being more reactive, corroding before the base metal underneath. Copper, nickel and chromium work by forming a protective, un-reactive coating.
Conductivity
Gold and silver are excellent conductors of electricity, but they are, as noted, prohibitively expensive. Through electroplating techniques, very small amounts of these precious, highly conductive metals can be incorporated into electronic components and integrated circuits. Cell phones, computers and other electronic devices all use electroplating techniques in their circuits.
Other Uses
While beauty, protection from corrosion, and electrical conductivity are the properties most commonly imparted through electroplating, as described above, electroplating can also be used to reduce friction, protect from abrasion, protect from radiation, or otherwise impart desired characteristics to a surface that lacks those properties. Electroplating is also used not to impart the properties of the electroplating substance, but simply to control the size of machine parts. Electroplating allows undersized parts to be thickened precisely to the desired size.
Electroplating are used in -
Some metals are considered far more attractive and valuable than others, gold and silver being the oldest and most obvious examples. But gold and silver are rare and expensive. Through electroplating, a very thin layer of gold or silver can coat a less valuable metal, making a final product with all the luster and beauty of those rare metals, at a fraction of the cost.
Protection
Electroplating can also protect surfaces by covering them with a thin layer of metal that will be more resistant to corrosion than the material of which they are primarily composed. Zinc and cadmium protect the underlying surface by being more reactive, corroding before the base metal underneath. Copper, nickel and chromium work by forming a protective, un-reactive coating.
Conductivity
Gold and silver are excellent conductors of electricity, but they are, as noted, prohibitively expensive. Through electroplating techniques, very small amounts of these precious, highly conductive metals can be incorporated into electronic components and integrated circuits. Cell phones, computers and other electronic devices all use electroplating techniques in their circuits.
Other Uses
While beauty, protection from corrosion, and electrical conductivity are the properties most commonly imparted through electroplating, as described above, electroplating can also be used to reduce friction, protect from abrasion, protect from radiation, or otherwise impart desired characteristics to a surface that lacks those properties. Electroplating is also used not to impart the properties of the electroplating substance, but simply to control the size of machine parts. Electroplating allows undersized parts to be thickened precisely to the desired size.
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