Material Testing at High Pressure

by Valerie Tester, Terra Tek, Inc, Salt Lake City, United States,
Conrad W. Felice, Terra Tek, Inc, Salt Lake City, United States,
Randy Nielsen, Terra Tek, Inc, Salt Lake City, United States,



Document Type: Proceeding Paper

Part of: Mechanics Computing in 1990's and Beyond

Abstract: A static test cell has been designed and fabricated to apply a peak stress of up to 2 GPa to a 2.54 cm cylindrical specimen. The cell design was based on the 'belt' concept employed for the production of synthetic diamonds. Using six rings, the desired range of working stresses was achieved with a uniform state of stress throughout the cell. Dry or saturated samples can be tested. To avoid leakage, seals were designed out of pyrophyllite which is capable of supporting very high shear stresses. Measurements include: load, axial deformation and transverse strain.

Subject Headings: Material tests | Shear stress | Axial loads | Static tests | Fabrication | Leakage | Transverse loads

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