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Formal science & Physical science Lab Report

The hardness of different materials by Rockwell scale
 The addition of aluminium on brass makes it increase its hardness hence become resistant to corrosion. Aluminium establishes a hard layer (aluminium oxide) that is self-healing, transparent, thin and beneficial on the surface of brass. Steel is an alloy that is obtained from the combination of iron and other elements like carbon.
Pages: 5 (750 words), Lab Report
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