Name:
Date:
Gavilan College AMT 100
Aircraft Cleaning and Corrosion Control
Worksheet #1
Points: 21
List two general classifications of corrosion:
1.
2.
List the matching type of corrosion:
3. General roughening, etching or pitting of the surface of a metal:
4. Extensive pitting damage that results from contact between dissimilar metal parts:
5. An attack along the grain boundaries of an alloy:
6. Very severe intergranular corrosion that may lift or flake metal:
7. The result of the combined effects of sustained tensile stress and a corrosive
environment:
8. Corrosive attach that occurs when two mating surfaces are subject to slight relative
motion:
9. Why do engine exhausts cause corrosion?
List the five steps of corrosion removal:
10.
11.
12.
13.
14.
15. Why is it not considered detrimental for aluminum alloys to form smooth surface oxidation?
List three forms of attack aluminum alloys:
16.
17.
18.
19. Dissimilar metal abrasive pads (can or can’t) be used on aluminum and magnesium.
20. What chemical treatment uses electricity in the application process?
21. What chemical treatment increases the corrosion resistance and improves the paint bonding
qualities?
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