APPARATUS AND METHOD FOR CONTROLLING A RESONANT TESTING MACHINE

A machine for testing the strength of material specimens by applying a mean and a cyclical load thereto includes a hydraulic actuator connected to the specimen, a servo valve for controlling the flow of hydraulic fluid to and from the actuator and a sensor connected to the specimen. The servo valve...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	DONALD M. DANKO, JAMES E. SVAROVSKY
Format:	Patent
Sprache:	eng
Schlagworte:	INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES MEASURING PHYSICS TESTING
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