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Materials Science Science Fair Project

Corrosion of Aluminum

Corrosion of Aluminum | Science Fair Projects | STEM Projects
In this project, you'll explore how temperature affects the corrosion of aluminum. You'll use aluminum plates, salt, ferric chloride, and vegetable oil to observe the corrosion of aluminum at different temperatures.


The hypothesis is that only the aluminum plates that are stored at a sufficiently high temperature will corrode.

Method & Materials

You will measure and pour 500ml of water into each of the 5 beakers, add 10g of salt and 20g of ferric chloride, and mix the solutions with a spatula. You will then place 1 aluminum plate inside each of the 5 beakers, pour about 3-5mm of vegetable oil over the solution in each beaker, and place 1 thermometer inside each beaker. You will store the first beaker at room temperature (25 °C) for the next 5 days, and place the remaining 4 beakers on hotplates, adjusting the temperature of each to 40 °C, 55 °C, 70 °C and 85 °C.
You will need 5 pieces of aluminum plate, each measuring 5centimeters x 5centimeters, 5 beakers, 2500 milliliters of tap water, 50 grams of salt, 100 grams of ferric chloride, 4 hotplates, 1 measuring cylinder, 1 digital weighing scale, 1 bottle of vegetable oil, 5 thermometers, and 1 spatula.


After a period of 5 days, it was observed that the aluminum plate will start to corrode at temperatures above 70 °C.

Why do this project?

This science project is interesting because it explores how temperature affects the corrosion of aluminum, which is a common metal used in many everyday items.

Also Consider

Variations of this project could include immersing the aluminum plate in water, salt water and acid at high temperatures, or placing the aluminum plates in solutions of different pH levels.

Full project details

You can find additional information and details for this science fair project here. Have fun exploring!

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