Instrumentation for Fracture Toughness Evaluation with Charpy Impact Specimen.
Final rept. 10 May 72-12 Mar 74,
INTERNATIONAL HARVESTER CO HINSDALE ILL MFG SERVICES
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An instrumented impact test system comprised of analog circuits was designed, assembled and tested. The system is capable of furnishing a digital display of static and dynamic fracture toughness, impact energy and time to fracture along with a hard copy print-out and oscilloscope presentation of the forcetime trace. The computation circuits are described along with operation procedures and principal logic inputs. Author
- Test Facilities, Equipment and Methods