TM 55-1660-320-23 & P
Section 2. DEFINITIONS
D e f i n i t i o n
Distortion in a part.
To confine and restrict the liberty of a free moving
part, material or component. May cause serious damage
if a chafing force is being imposed.
Separation of a pmt.
Smoothing minor damage using a hand tool.
A rough or sharp edge on a hole or corner, usually
caused by machining, sometimes by wearing.
Breaking away of metallic particles.
Any foreign substance such as metal chips, lint, rust
and water that would be harmful to the functioning of a
part or system.
A type of corrosion that results from direct reaction
between a metal surface and the atmosphere. Rust on
iron is a common example.
Accelerated corrosion as a result of electrical con-
tact between dissimilar metals.
A corrosion type which attacks along the grain bound-
aries of a metal.
Formation of small cavities on a metallic surface caused
by chemical or physical nonhomogeneities.
A type of corrosion which causes cracking and part
failure due to a combination of corrosion and sus-
tained tensile stress.
Parting of parent metal.