Study on Cutting Performance and Wear Mechanisms of Graded Ceramic Tool

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In this paper, based on the experiments of high speed dry cutting nickel alloyed ductile iron with different nickel contents by graded ceramic tool, the cutting performance and wear mechanisms of graded ceramic tool were investigated. Results reveal that with the increase of cutting speed and nickel content the wear of graded ceramic tool is increased, wear mechanisms are transformated spalling and cohesive wear from abrasive wear, and chip shapes are turned into long arc segment from short segment.

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358-361

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January 2014

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© 2014 Trans Tech Publications Ltd. All Rights Reserved

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