What factor will the time to perforation increase

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A form of corrosion called pitting corrosion can occur in aluminum in fresh water. As the name suggests, pits form on the surface of aluminum in this type of corrosion. The pit depth, d follows a cube root relationship time, t:

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Normally, a 5 μm thick Al2O3 film forms on the surface of aluminum. If we double the thickness of the film, by what factor will the time to perforation increase

Reference no: EM131141776

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