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Average pit density after four weeks exposure<br />
Mud 1 Mud 2 Mud 3 Mud 4 Mud 5<br />
90<br />
80<br />
70<br />
60<br />
50<br />
40<br />
30<br />
20<br />
Pit density [cm -2 ]<br />
0<br />
10<br />
6060 / etched<br />
6060 / anodised<br />
6016 / etched<br />
6016 / Ti+Zr cc<br />
5754/ etched<br />
5754 / Ti+Zr cc<br />
5018 / etched<br />
5018 / Ti cc<br />
Date: 2004-01-13 • Page: 18 • Hydro Aluminium