Rebound Principle
(OLD)
No definition before.
(NEW / BETTER )
The Scleroscope and
the Leeb are the only two testers based on this concept. The test relates more
closely to the elastic limit of the material than to the work-hardening and
tensile strength charecteristics of indentation tests. It is essentially a
dynamic indentation test, in which a diamond-tipped hammer (referred to as a “tup”)
is dropped from a fixed height onto the surface of the work material. The
height of the hammer rebound is a measure of the material hardness.
( ASM
International, Hardness Testing,
p. 10 )
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