The invention belongs to the technical field of
metal processing and particularly relates to an aluminum
alloy shell for an electronic product. The aluminum
alloy shell material is prepared from the following components by proportion: 4 to 8 percent of Mg, 0.5 to 0.9 part of Cu, 0.6 to 0.9 part of Fe, 0.3 to 0.7 part of Si, 0.4 to 0.6 part of Ca, 0.1 to 0.2 part of Zr, 0.2 to 0.3 part of Mn, 0.1 to 0.2 part of Cr, 0.05 or less than 0.05 percent of Ti, 0.02 or less than 0.02 percent of B, 0.01 or less than 0.01 percent of V and the balance of aluminum and unavoidable impurities. A preparation method of the shell comprises the following technical process: firstly,
smelting and molding an aluminum
alloy; secondly, carrying out hot
processing on the aluminum alloy; thirdly, carrying out metalprocessing on the shell; fourthly, plating the shell. The aluminum alloy shell produced by the technology has the advantages of good
thermal conductivity, good structural strength, good
processing characteristics and excellent surface
hardness and scratch resistance; in addition, due to the existence of a surface
ceramic membrane, the shell has good anti-oxidation properties, good aesthetic feeling and good gripping hand feel.