Study on the Machinability Characteristics of Superalloy K424 during High Speed Turning

Abstract:

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The present paper is an attempt of an experimental investigation on the machinability of superalloy, K424 during high speed turning using different ceramic inserts under different cutting speed and cooling/lubricating condition. The effect of machining parameters on the tool wear was examined through SEM micrographs.The experimental results show that, round Al2O3+SiCW KY4300R ceramic insert shows the best cutting performance in cutting the superalloy K424 , and it should be used in rather higher speed. Cold nitrogen gas is not recommended when machining nickel-based alloy with ceramic tools. SEM and EDS analysis shows that the ceramic tool was severely controlled by tool nose and depth-of-cut notch wear, followed by flaking and chipping.

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Periodical:

Main Theme:

Edited by:

Chengyong Wang, Ning He, Ming Chen and Chuanzhen Huang

Pages:

636-641

DOI:

10.4028/www.scientific.net/AMR.188.636

Citation:

M.H. Xiao et al., "Study on the Machinability Characteristics of Superalloy K424 during High Speed Turning", Advanced Materials Research, Vol. 188, pp. 636-641, 2011

Online since:

March 2011

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$35.00

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