Metal elements affecting the performance of aluminium alloy plates for sale Haomei

Metal elements affecting the performance of aluminium alloy plates for sale Haomei

There are eight elements that affect the performance of aluminium alloy, which are: vanadium, calcium, lead, tin, bismuth, antimony, beryllium and sodium, etc. As the finished aluminium coil is used for different purposes, the elements added in the processing process are different due to the different melting points and different structures and the compounds formed by aluminium, thus the impact on the performance of aluminium alloy plates is also different.

1、Metallic elements: the influence of copper element

Copper is an important alloying element and has a certain solid solution strengthening effect. In addition, the CuAl2 precipitated by aging has a significant aging strengthening effect. The copper content in the aluminum alloy plates is usually 2.5%-5%, and the strengthening effect is best when the copper content is 4%~6.8%, so most of the hard aluminum alloys contain copper in this range.

2、Metal element: the influence of silicon element

Al-Mg2Si alloy system alloy equilibrium phase diagram rich aluminum sector Mg2Si in aluminum the maximum solubility of 1.85%, and with the lowering of temperature and deceleration of small, deformation of aluminum alloy, silicon alone into the aluminum alloy plate only limited to welding materials, silicon into aluminum also has a certain strengthening effect.

3、Metallic elements: the influence of magnesium

Magnesium is significant to the reinforcement of aluminum, each increase of 1% magnesium, tensile strength is about 34MPa, if added 1% of manganese, may add reinforcement. Therefore, after adding manganese can reduce the magnesium content, at the same time can reduce the thermal cracking tendency, in addition manganese can also make Mg5Al8 compound average precipitation, improve corrosion resistance and welding performance of aluminium alloy plates for sale.

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