Cyclic fatigue testing apparatus

Details Cyclic fatigue testing apparatus Cyclic fatigue testing apparatus

1988-10-03

1989-09-26

Myracle, Jerry W.

Measuring and testing

Specimen stress or strain, or testing by stress or strain...

By loading of specimen

73812, 73813, G01N 332

Patent

active

048691119

ABSTRACT:
A cyclic fatigue testing apparatus intended for testing the cyclic fatigue of samples such as ceramic or the like, in which it comprises a vibration plate assembly comprising a flex plate provided with piezoelectric element layer(s) on at least one surface thereof, a sample supporting member disposed on the vibration plate for supporting the sample and a loading member for forcing the samnple onto the supporting member. The apparatus can operate over a wide frequency range by adjusting the position of the sample supporting member with respect to the flex plate and selecting the frequency of an alternating voltage to be applied to each piezoelectric element layer.

REFERENCES:
patent: 2936612 (1960-05-01), Mason

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