1997
DOI: 10.2473/shigentosozai.113.325
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Abrasivity of Rock and Bit Wear in Drilling.

Abstract: The paper describes a fundamental investigation of the abrasive wear in rock drilling and cutting. Three laboratory tests of rock abrasivity were carried out and the results were compared with those obtained in fullscale field drilling tests.The laboratory tests were comprised of drilling test, Taber abrasive test and turning-operation(facing) test developed in the study. The Taber abrasive test was found to be not feasible because of its difficulty in specimen preparation. The modified drilling test and the t… Show more

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