Browse TRAIL Inventories

Elastic moduli of rock at elevated temperatures

Electrothermal fracture of copper shale

Preliminary evaluation of bit impact ignitions of methane using a drum-type cutting head

Bureau of Mines coal cutting technology facilities at the Twin Cities Research Center

Determination of bit forces encountered in hard rock cutting for application to continuous miner design

Electrical properties and attenuation distance of upper Pennsylvanian coal measure rock from southwestern Pennsylvania

Conical bit rotation as a function of selected cutting parameters

Bit wear-flat temperature as a function of depth of cut and speed

Preliminary evaluation of the relationship of bit wear to cutting distance, forces, and dust using selected commercial and experimental coal- and rock-cutting tools


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