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, indentation curve, and the microscale elasticity. The pore scale indentation simulation is conducted using the reconstructed rock models with different strength . The function between the indentation curve ...
failure pattern, the load-displacement curve, and the indentation indices. The proper specimen size is suggested using in the indentation test with a 7-mm diameter indenter . Then, 8 types of rock were ...
Indentation testing has been developed as an unconventional method to determine intact rock strength using small rock specimens within the size of drill cuttings. In previous investigations ...
determined from analysis of the force-penetration plot generated from indentation tests have been used to represent the drillability, boreability, and brittleness of rocks . However, no standard for the punch ...
dimensions should be standardized if the test is to be used as a routine method of determining the tensile strength of rock . BRIT. J. APPL. PHYS., 1965, VOL. 16 An assessment of a technique for determining ...
fields in a Brazilian disc under nonuniform pressure are given by the integral method. The formulae for tensile strength and elastic modulus determined by the Brazilian test under nonuniform pressures ...
-shaped samples were tested by loading a sample with opposing indenters of conical shape. As a result, it was established that the difference in rock strength characteristics determined in the above ...
and real-time observations of the rock fragmentation under the cutter penetration were carried out. Chen and Labuz (2006) conducted a set of wedge indentation tests using granite and sandstone combined ...
Indentation provides a powerful tool for measuring the mechanical properties of shale fragments at the nano- or micro-scale, allowing test with shale cuttings and avoiding the difficulties of coring ...
Button cutters are commonly used in hard rock drilling because the inserted carbide buttons provide exceptional wear resistance, impact resistance, and high strength in challenging geological ...
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