Aluminium alloy material for radiator cooling fin
An aluminum alloy material and heat sink technology, applied in the field of aluminum alloy materials, can solve the problems of preferential corrosion of joints, increased manufacturing cost of heat exchangers, inability to obtain the anti-corrosion effect of refrigerant passage pipes, etc., and achieves improved corrosion resistance, Strength-enhancing effect
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[0021] The present invention will be further explained and described below in conjunction with specific embodiments.
[0022] According to the mass percentage shown in Table 1, the aluminum alloy material described in the present invention was prepared. The specific preparation process is as follows: heating the alloy raw materials of B, Mn, Zn, Ni and Al according to the percentage ratio shown in Table 1 to 680 °C for 75 min under a nitrogen protective atmosphere; 0.6 wt% BaCl 2 , stirred for 45 min; then the alloy liquid was poured into shape; the casting temperature was 630 °C; then it was kept at 480 °C for 3 h for homogenization treatment, and cooled to obtain the aluminum alloy material of the radiator fin.
[0023] Table 1 Chemical composition of base aluminum alloy
[0024] serial number B mn Zn Ni Al 1 0.3 0.5 10.5 0.05 margin 2 0.35 0.7 12.5 0.10 margin 3 0.5 0.9 15.5 0.10 margin 4 0.55 1.1 17.5 0.15 margin ...
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