Sclerometer

Details Sclerometer Sclerometer

1982-04-27

1983-10-25

Swisher, S. Clement

Measuring and testing

Hardness

Scleroscope or rebound

G01N 348

Patent

active

044111533

ABSTRACT:
A hardness testing device which includes a guiding member having an elongated passage with a hammer or striker freely movable therein is a taught. The hammer is held in a desired position and is released to strike the material whose hardness is to be tested. The rebound height indicates the hardness of the material and this rebound height is measured by correlating the time between sound waves emitted by the striker on its first impact and second impact on the material to be tested.

REFERENCES:
patent: 3879982 (1975-04-01), Schmidt
patent: 4034603 (1977-07-01), Leeb et al.

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