Table 8-1.
8-1.
ARMY
TM 5-6115-612-34
MARINE CORPS TM 6115-34/8
AIR FORCE
TO 35C2-3-471-2
NAVY
AG-320BO-MME-OOO
Term
Definition
Probable Cause
Chafing
A rubbing action between
Improper assembly techniques,
two parts having limited
improper fits.
relative motion.
Chipping
Breaking out of small
Careless handling, concentration
particles of metal.
of stresses due to shock, nicks,
scratches, etc.
Corrosion
Breakdown or pitting of
Improper surface treatment, wear
surface by chemical
or damage on treated surfaces.
action.
Cracks
A partial failure.
Excessive stress due to shock,
overloading or faulty processing,
extension of a nick or scratch,
defective material, overheating.
Dents
Small, smoothly rounded
Careless handling.
hollow in surface.
Erosion
Carrying away of material
Blow-by, flow of corroding
by the flow of hot gases,
liquids, hot gases, grit-laden oil
grit, or chemical.
water, or sand.
Flaking
Breaking away of pieces
Incomplete bond, excessive load,
of a plated or painted
blistering.
surface.
Galling
A transfer of metal from
Severe chafing action, metal
one surface to another.
particles from relative parts are
embedded in opposite surfaces.
8-3
