Titanium-gold plating process for aluminium profiles belongs to coating technology. It adds pre-plating and electroplating process steps on the basis of conventional titanium plating process. Aluminum profiles process is chemical treatment of activated plated parts in aqueous solution of salt and hydrochloric acid.
The bath composition of electroplating process includes nickel sulfate, nickel chloride, boric acid, sodium dodecyl sulfate, saccharin and brightener. The process has the advantages of simplicity, practicability and good effect. The film hardness of Ti-Au-Al profiles prepared by this process is HV_1500, and the wear resistance is 150 times higher than that of 22K gold plating under the same conditions. It can be processed into various bright series of products such as gold, color and black.
Chinese Aluminium Profile and Foreign Aluminium Profile
Catalog
1 Characteristic
2 Relevant Information
_Status of China's Aluminum Industry
_Knowledge of Aluminum Alloy Doors and Windows
3 Classification
By Use
According to alloy composition
Surface treatment
4. Production process
_Melting and Casting
_Extrusion
_Titanium plating process
5 Selection and Purchase of Building Materials
Notes
_Poor quality characteristics
Characteristic Editor
Corrosion resistance
The density of aluminium profile is only 2.7g/cm3, which is about 1/3 of that of steel, copper or brass (7.83g/cm3, 8.93g/cm3, respectively). Aluminum exhibits excellent corrosion resistance under most environmental conditions, including in air, water (or brine), Petroleum Chemistry and many chemical systems.
conductivity
Aluminum profiles are often selected because of their excellent electrical conductivity. On the basis of equal weight, the conductivity of aluminium is nearly twice that of copper.
Thermal conductivity
The thermal conductivity of aluminium alloy is about 50-60% of that of copper, which is beneficial to the manufacture of heat exchangers, evaporators, heating appliances, cooking utensils, as well as the cylinder head and radiator of automobiles.
Nonferromagnetism
Aluminum profiles are non-ferromagnetic, which is an important characteristic for the electrical and electronic industries. Aluminum profiles cannot spontaneously ignite, which is important for applications involving handling or contact with flammable and explosive materials.
Machinability
The machinability of aluminium profile is excellent. In all kinds of deformed and cast aluminium alloys, as well as in all kinds of States after the production of these alloys, the machinability changes considerably, which requires special machine tools or technologies.
Formability
Specific tensile strength, yield strength, ductility and corresponding work hardening rate control the variation of allowable deformation.
Recyclability
Aluminum has very high recyclability, and the characteristics of recycled aluminium are almost the same as that of primary aluminium.
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