In China, you can find a professional 5052 aluminum sheet factory, Haomei Aluminum have about 20 years experience on aluminum sheet plate product manufacturing. 5052 aluminum sheet is a commonly used aluminum-magnesium alloy plate. Its main component is magnesium, and a small amount of manganese, chromium, titanium and other elements are added. The main impurity elements are iron, silicon, copper, zinc and so on.
The influence of magnesium and manganese on the properties of 5052 aluminum sheet are:
Magnesium mainly exists in a solid solution state and β (Mg2Al3 or Mgs Al) phase. Although the solubility of magnesium in the alloy decreases rapidly with the decrease of temperature, it is difficult to precipitate and nucleate, and there are few cores and coarse precipitates. Therefore, the aging strengthening effect of the alloy is low, and it is generally used in an annealed or cold worked state. Therefore, this series of alloys is also called non-strengthetable aluminum; alloy. The strength of this series of alloys increases with the increase of magnesium content, while the plasticity decreases accordingly, and its processing performance also deteriorates. Magnesium content has a great influence on the recrystallization temperature of the alloy. When w(Mg)<5%, the recrystallization temperature decreases with the increase of magnesium content. When w(Mg)>5%, the recrystallization temperature changes with the magnesium content. Increase and increase. Magnesium content also has a significant effect on the welding performance of the alloy. When w(Mg)<6%, the welding crack of the alloy; the tendency of grains to decrease with the increase of magnesium content, when w(Mg)>6%, the opposite is true; When (Mg)<9%, the strength of the weld increases significantly with the increase of magnesium content. At this time, although the plasticity and welding coefficient gradually decrease slightly, the change is not large. When w(Mg)>9%, its The strength, plasticity and welding coefficient are all significantly reduced.
In the 5052 aluminum sheet alloy, usually w(Mn)<1.0%. Part of the manganese in the alloy is dissolved in the matrix, and the rest exists in the structure in the form of MnAl6 phase. Manganese can increase the recrystallization temperature of the alloy, prevent the coarsening of crystal grains, and slightly increase the strength of the alloy, especially the yield strength. In high-magnesium aluminum alloys, the addition of manganese can reduce the solubility of magnesium in the matrix, reduce the tendency of weld cracks, and improve the strength of the weld and the base metal.
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