Sa mga nakaraang taon, Ang mga electronic radiator ay halos gawa sa aluminyo o aluminyo haluang metal na materyales. Ito ay dahil ang mga katangian ng aluminyo ay napaka angkop para sa pagmamanupaktura ng mga radiator. Whether purong aluminyo or aluminum alloy, ito ay may maraming mga mahusay na katangian, tulad ng magandang thermal kondaktibiti, mabilis na pag aalis ng init at mababang presyo.
Common pure aluminum materials for electronic radiators include 1050, 1060, 1070 aluminyo plates, atbp. Pure aluminum plate has high purity and low density, tungkol sa 1 / 3 of that of pure copper. It has good thermal conductivity. When the section and length of aluminum are the same as that of copper, the conductivity is about 61% of that of copper. For aluminum and copper with the same weight but different cross sections, the conductivity of aluminum is 200% of that of copper. Sa karagdagan, dense alumina film is easy to form on the surface of aluminum, which is very helpful to prevent further oxidation of metal.
Due to the addition of other alloy elements, some properties of aluminum alloy will be significantly improved compared with pure aluminum. The elastic modulus of aluminum alloy is small, na katumbas ng 1 / 3 of steel. Its bearing capacity is not strong, but its seismic capacity is good. Sa karagdagan, the hardness of aluminum alloy is higher than that of pure aluminum.