3 Types of Corrosion

Metals can be affected by corrosion in many different ways ranging from uniform dissolution to highly localised pitting or cracking. The undesirable results of corrosion may range from leakage, fracture of the component concerned, or contamination of the product being handled by the equipment. The principal forms of corrosion experienced in practice are outlined in the following sections with an indication of the comparative resistance of aluminium bronzes and their principal competing materials to the different forms of attack.

3(i) Uniform or General Corrosion

3(ii) Pitting

3(iii) Crevice Corrosion

3(iv) Selective Phase Attack

3(v) Dealloying

3(vi) Corrosion/Erosion

3(vii) Cavitation Damage

3(viii) Stress Corrosion

3(ix) Corrosion Fatigue

3(x) Galvanic Corrosion

3(xi) Electrical Leakage Corrosion

3(xii) Corrosion Associated with Welds

4(v) Atmospheric Corrosion and Oxidation

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