Section ll DEFINITIONS
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 part.
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
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 contact
between dissimilar metals.
A corrosion type which attacks along the grain boundaries
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 sustained tensile
Parting of parent metal.