LIST OF FIGURES
DOE-HDBK-1015/1-93
Corrosion
CH-02
Rev. 0
Page ii
LIST OF FIGURES
Figure 1 Formation of Ferrous (Fe ) Ions in the Corrosion of Iron . . . . . . . . . . . . . . . . . . 3
++
Figure 2 Metal Surface Showing Arrangement of Micro-cells . . . . . . . . . . . . . . . . . . . . . . 5
Figure 3 A Galvanic Cell . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
Figure 4 A Galvanic Cell Showing Absorbed Hydrogen Atoms on a Cathode . . . . . . . . . . 8
Figure 5 Simplified Schematic Diagram of Oxide Corrosion Film on the
Surface of a Metal . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
Figure 6 Representation of Cathodic Depolarization by Oxygen . . . . . . . . . . . . . . . . . . . 14
Figure 7 Effect of pH on the Corrosion Rate of Iron in Water . . . . . . . . . . . . . . . . . . . . . 15
Figure 8 Effect of pH on the Relative Attack Rate of Iron in Water . . . . . . . . . . . . . . . . . 15
Figure 9 Effect of pH on Aluminum Corrosion and Oxide Solubility . . . . . . . . . . . . . . . . 19
Figure 10 Galvanic Corrosion at Iron-Copper Pipe Junction . . . . . . . . . . . . . . . . . . . . . . . 24
Figure 11 Differential Aeration Cell . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28
Figure 12 Representation of Crevice Pitting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29
Figure 13 Pit in Metal Surface Promoted by Depolarization . . . . . . . . . . . . . . . . . . . . . . . 30
Figure 14 Intergranular Corrosion Cracking . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33
Figure 15 Austenitic Stainless Steel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34
