Livingston, Clifton W.Foster, Ralph K.2020-12-152022-02-032020-12-152022-02-031947https://hdl.handle.net/11124/175428Includes bibliographical references.masters thesesengCopyright of the original work is retained by the author.Bits (Drilling and boring)Rock-drillsTungsten carbideRock mechanicsInvestigation of tungsten carbide insert drill bits, AnText