Cryogenic PCBN turning of ceramic (Si2N4)

Z. Y. Wang; K. P. Rajurkar; M. Murugappan

doi:10.1016/0043-1648(95)06645-4

Cryogenic PCBN turning of ceramic (Si₂N₄)

Z. Y. Wang, K. P. Rajurkar, M. Murugappan

Mechanical & Materials Engineering

Research output: Contribution to journal › Article › peer-review

55 Scopus citations

Abstract

This paper presents a technique for machining advanced ceramics with liquid nitrogen (LN) cooled polycrystalline cubic boron nitride (PCBN) tool. A LN circulation system has been designed to control the cutting tool temperature. The tool wear of PCBN50 during the machining of the reaction bonded silicon nitride (Si₃N₄) reduced significantly with LN cooling. The surface roughness due to LN cooling assisted cutting was about six times better than normal cutting.

Original language	English (US)
Pages (from-to)	1-6
Number of pages	6
Journal	Wear
Volume	195
Issue number	1-2
DOIs	https://doi.org/10.1016/0043-1648(95)06645-4
State	Published - Jul 1996

Keywords

Boron nitride
Ceramics
Cryogenic turning
Tool wear

ASJC Scopus subject areas

Condensed Matter Physics
Mechanics of Materials
Surfaces and Interfaces
Surfaces, Coatings and Films
Materials Chemistry

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AB - This paper presents a technique for machining advanced ceramics with liquid nitrogen (LN) cooled polycrystalline cubic boron nitride (PCBN) tool. A LN circulation system has been designed to control the cutting tool temperature. The tool wear of PCBN50 during the machining of the reaction bonded silicon nitride (Si3N4) reduced significantly with LN cooling. The surface roughness due to LN cooling assisted cutting was about six times better than normal cutting.

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KW - Cryogenic turning

KW - Tool wear

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