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The effect of temperature on the corrosion of aluminiumFeatured science projectScience project video

Conclusion

The hypothesis that only the aluminum plates that were stored at a sufficiently high temperature will corrode, has been proven to be true.

Aluminum has very good corrosion resistance, and its electrical conductivity and  thermal properties make it really easy to work with. The recent increase in global copper prices has increased the demand for aluminum to be used in wire and cables.
 

Also consider

Will the results differ if this science fair project were to be repeated by immersing the aluminum plate in water, salt water and acid at high temperatures?

You could also try placing the aluminum plates in solutions of different pH levels.
 

References

Aluminum corrosion - http://corrosion-doctors.org/MatSelect/corralumin.htm

Cast Nonferrous: Corrosion of Aluminum and Aluminum Alloys -http://www.keytometals.com/Article14.htm

Temperature - http://www.corrosionsource.com/technicallibrary/corrdoctors/Modules/Aircraft/tempera.htm
 

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Complexity level:
7
Project cost ($):
40
Time required:
2 hours for preparation, 5 days for observation
Material availability:
Easily found
Safety concerns:

None