6068是铝镁硅铋合金,化学成分如下:
Aluminum, Al 93.22 - 97.6 %
Bismuth, Bi 0.60 - 1.1 %
Chromium, Cr <= 0.30 %
Copper, Cu <= 0.10 %
Gallium, Ga <= 0.03 %
Iron, Fe <= 0.50 %
Lead, Pb 0.20 - 0.40 %
Magnesium, Mg 0.60 - 1.2 %
Manganese, Mn 0.40 - 1.0 %
Nickel, Ni <= 0.05 %
Other, each <= 0.05 %
Other, total <= 0.15 %
Silicon, Si 0.60 - 1.4 %
Titanium, Ti <= 0.20 %
Vanadium, V <= 0.05 %
Zinc, Zn <= 0.30 %
追问晶粒组织与力学性能是怎样的呢?
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