CPC C22F 1/047 (2013.01) [C22C 21/06 (2013.01); H01M 8/0208 (2013.01)] | 7 Claims |
1. A method for manufacturing an aluminum sheet material for a separator of a fuel cell, the method comprising steps of:
casting a molten metal, which contains 9-10 wt % of Magnesium (Mg), based on a total wt % of the molten material, a balance of Aluminum (Al) and inevitable impurities, to prepare a cast material having a rod shape;
cold rolling the cast material into a rolled plate;
stacking multiple copies of the rolled plate to form a stacked rolled plate product;
cold-pack rolling the stacked rolled plate product to prepare a sheet material; and
thermally treating the sheet material.
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