Any time that you bond Aluminium to steel you will have a corrosion problem unless you seperate them electrically. This is done in the marine industry when they attach an Aluminium cabin to a steel hull. The adhesive method will seperate the metals to prevent the galvanic reaction and keep things from rusting too quickly.
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"An uair a théid an gobhainn air bhathal 'se is feàrr a bhi réidh ris."
("When the smith gets wildly excited, 'tis best to agree with him." Gaelic Proverb)
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