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Estimation of Tool life by Simple & Multiple Linear Regression Analysis of $Si_3N_4$ Ceramic Cutting Tools  

안영진 (서울시립대 기계정보공학과 대학원)
권원태 (서울시립대학교 기계정보공학)
김영욱 (서울시립대학교 신소재공학과)
Publication Information
Transactions of the Korean Society of Machine Tool Engineers / v.13, no.4, 2004 , pp. 23-29 More about this Journal
Abstract
In this study, four kinds of $Si_3N_4$-based ceramic cutting tools with different sintering time were fabricated to investigate the relation among mechanical properties, grain size and tool life. They were used to turn gray cast iron at a cutting speed of 330m/min and depth of cut of 0.5mm and 1mm in dry, continuos cutting conditions. Multiple linear regression model was used to determine the relations among the mechanical property, grain size and the density. It was found that the combination of hardness and fracture toughness showed a good relation with tool life. It was also shown that hardness was the most important single element for the tool life.
Keywords
$Si_3N_4$ ceramic cutting tool; Mechanical properties; Tool life; Grain size; Linear regression analysis; Sintering time;
Citations & Related Records
Times Cited By KSCI : 1  (Citation Analysis)
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