Accession Number : ADD003005

Title :   Load Crack Testing Device.

Descriptive Note : Patent,

Corporate Author : DEPARTMENT OF THE NAVY WASHINGTON D C

Personal Author(s) : King,William E , Jr

Report Date : 29 Jun 1976

Pagination or Media Count : 6

Abstract : The patent describes a sustained constant load cantilever loading type specimen testing machine. The machine includes a rigid grip which grips one end of a specimen. The other end of the specimen is secured rigidly to a cantilever. A hydraulic piston is connected to the cantilever and operated by a hydraulic pump. The load is measured by a calibrated load cell. Auxiliary equipment such as an electrical timer, control switches and safety switches are used for operation of the system.

Descriptors :   *Test equipment, *Patents, Loads(Forces), Load cells, Strain(Mechanics), Cracks, Stress concentration

Subject Categories : Test Facilities, Equipment and Methods

Distribution Statement : APPROVED FOR PUBLIC RELEASE