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日本三菱铝公司研制出一种供制造换热器上散热片用的高纯铝合金,其成分是(％);Mn0.8—1.5;Si0.5—1.3;Sn0.5—0.15;还研制出以下几种添加剂:Zn-0.1-1.0;Mg0.1—1.0;Zr0.03—0.15。其制备法大致是:铝合金锭在温度850℃下扩散退火8小时,然后进行多次热轧,并穿插中间退火。制成的铝合金板作为基体,供制造包金属的板材(表面复上一层Al-Si焊料或Al-Si-Mg焊料)。最终退火后,进行一次冷轧,压下量为5-30％。从包金属的板材(复层厚0.1毫米)上取样进行试验后表明,室温条
Japan’s Mitsubishi Aluminum developed a heat exchanger for the manufacture of heat sink with high purity aluminum alloy, which is (%); Mn0.8-1.5; Si0.5-1.3; Sn0.5-0.15; also developed The following additives: Zn-0.1-1.0; Mg 0.1-1.0; Zr 0.03-0.15. The preparation method is roughly: aluminum alloy ingot diffusion annealing at a temperature of 850 ° C for 8 hours, followed by a number of hot-rolled and interspersed with intermediate annealing. Made of aluminum alloy plate as a matrix for the manufacture of metal clad plate (the surface with a layer of Al-Si solder or Al-Si-Mg solder). After the final annealing, a cold rolling, the reduction of 5-30%. Samples taken from a metal-clad sheet (clad thickness 0.1 mm) were tested for room temperature bars