Abstract
New and improved techniques and apparatus for testing the mechanical properties of materials at high presures and temperatures are described. These include an improved Griggs-type deformation apparatus designed to operate to 5 GPa and associated servo-controlled hydraulic drive and electronics, the design of hydrostatic (molten alkali halide mixtures) pressure assemblies to measure flow stresses as low as a few MPa, the characterization of temperature gradients and friction in such assemblies, measurement of the melting curve of an alkali halide mixture used as a confining pressure medium, and the measurement of acoustic emissions.
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Tingle, T.N., Green, H.W., Young, T.E. et al. Improvements to Griggs-type apparatus for mechanical testing at high pressures and temperatures. PAGEOPH 141, 523–543 (1993). https://doi.org/10.1007/BF00998344
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DOI: https://doi.org/10.1007/BF00998344