What is anodization of gold?
, also sometimes referred to as golden anodization, the process that the basic metals are covered as a golden color, but does not necessarily be immersed in real gold. This can be done in several different ways. The most common method of anodization of gold is a two -piece process, which first anodes the base metal and then covers it in a golden dye. The color can also be produced in the film by mixing by mixing the electrolyte of sulfuric acid with organic acid. The treated metal becomes an anode or a positive electrode and between it is a current and a cathode or a negative electrode. Sulfuric acid is commonly used as an electrolytic solution. As the solution goes through a direct current, an anodic film creates. When aluminum is used as a base metal, the film is called aluminum oxide. ASE, with aluminum one of the most common. Titanium, zinc and magnesium can also be used as a basic metal. The use of titanium can produce a gold coating without the use of any dyes. With titanium can be formed by the nitride coating thatErý can produce gold color and still maintain corrosion resistance. Goldenoding on titanium is often used to create jewelry and works of art.
In regular anoding processes, the electric current is applied at a stable constant speed. However, the same color of gold can also be made as part of an anodic film in another process. This is done by a mixture of organic acid and sulfur electrolyte and is applied with a pulse current that creates a gold, anodic film.
Inorganic methods can also be used to anodize gold. The use of ammonium sulphate as an electrolytic solution produces black or gold for basic metal. Anoding golden -insulated by an inorganic method creates a stronger coating that is not so likely to lose its color. When using inorganic dyes they are usually sealed to protect the target.
metals are anodized to help themto protect against corrosion. Andodization changes the metal surface texture. Corrosion resistance can be achieved by the sealing process. Basic metals can be heavier than the original metal, but may lose some resistance to wear. Increasing the thickness of anodized coating or the use of sealant can increase the durability of the outer layer.