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Effect of thickness on 3003 aluminum alloy foil

Date: 2019-08-21 17:09

3003 aluminum alloy foil when cold deformation occurs:

When 3003 aluminum alloy foil is cold-deformed, the internal energy of the metal will rise, the atom will be in an unstable state, and naturally there will be a tendency to change in a stable state. Most metal materials will not be able to complete this transformation at room temperature, when 3003 Aluminum alloy foil The heating of the back, increasing the mobility of the atom and accelerating the diffusion rate of the atom to complete the transition of the atom to a stable state. This is the internal cause of the cold-deformed 3003 aluminum alloy foil that will fly and recrystallize during annealing. However, the heat of the cold-deformed 3003 aluminum alloy foil provides enough heat for the atoms to overcome the bonding between the atoms, allowing the atoms to migrate and freely diffuse before they can crystallize. The recrystallization temperature depends on the atomic migration. The size of the activation energy required for the nucleation and growth, the higher the activation energy required, the higher the recrystallization temperature.
 
3003 aluminum alloy foil

Suppliers of 3003 aluminum alloy foil:

The first method is to carry out intermediate annealing (the cold deformation processing rate is about 80%) when the aluminum foil blank is 1.5 mm thick. The second method is to perform the intermediate annealing (the cold deformation processing rate is about 65%) when the 3003 aluminum alloy foil is at a thickness of 2.5 mm. According to the processing rate of the blank produced according to the second scheme, the activation energy required for recrystallization of the smaller metal is higher, and the recrystallization temperature is higher, and the strength is higher.

Intermediate annealed 3003 aluminum alloy foil:

On the other hand, the 2.5 mm intermediate annealed 3003 aluminum alloy foil is processed into a metal. According to the metallurgical theory, the storage energy retained in the dislocation form in the metal structure is the driving force for recrystallization during annealing, and during the recrystallization process. The nucleation rate increases as the amount of metal deformation increases. Therefore, the aluminum foil blank of 2.5 mm intermediate annealing is used to deform the 3003 aluminum alloy foil obtained by rolling. The larger the amount of accumulation in the form of dislocations, the greater the nucleation rate in the original 3003 aluminum alloy foil, which will greatly increase the 3003 aluminum alloy foil to obtain finer crystals after annealing. Granular tissue, so its strength and elongation are higher.
 
Henan Mingtai Aluminum Industry Co., Ltd., as a listed manufacturer of 3003 aluminum alloy foil, has continuously developed and improved products for 20 years. The quality of 3003 aluminum alloy foil is one of the few in China, and it has made significant contributions to the aluminum foil market. Alike
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