Table 1 Growth kinetics of individual pits.

From: Revealing the growth kinetics of atmospheric corrosion pitting in aluminum via in situ microtomography

 

Pit 1

Pit 2

Pit 3

Pit 4

Pit 5

Pit 6

Pit 7

Pit 8

Pit 9

Final volume (μm3)

3800

1300

800

13600

30900

69700

800

1440

2800

Initial growth rate (μm3/h)

194

39

30

172

370

439

32

65

194

Secondary growth rate (μm3/h)

–

–

–

240

475

3930

–

–

–

Time growing (h)

12

19

24

46

72

>65

14

14

15

Maximum depth (μm)

26

13

12

30

22

44

14

16

22

  1. The final volume initial and secondary pit growth rates the length of time during which the pit grew and the maximum depth to which the pit grew are shown for 9 pits that nucleated within the first 88 h of exposure.
Back to article page