grinding a indentation in rock

INDIAN ARTIFACTS - tellmewhereonearth It has grinding on both sides, it is fluted on both sides, and very well made out of hornstone flint. This one has a spoke shave on it, and one ear has an ancient ding. It is an outstanding example of the incredible workmanship of the Paleo Indians. NANO-INDENTATION AND SCTRACH TESTS ON OPTICAL . NANO-INDENTATION AND SCTRACH TESTS ON OPTICAL FIBER MATERIAL TO DETERMINE DUCTILE MODE CRTICAL DEPTH OF CUT Yousef A. Gharbia1, Jayantha Katupitiya2 1 Mechanical Engineering Department Dhofar University Experimental investigation of microcutting mechanisms in ... One group of researchers regard the cutting action of a diamond grain in the grinding wheel as being identical to the indentation effects caused by a diamond indenter during hardness measure- ments. It is evident that the kinematics of the motion and the resistance to .    Read More

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