Wear mechanism of diamond tools against single crystal silicon in single point diamond turning process

S. Goel, X. Luo, R.L. Reuben

Research output: Contribution to journalArticle

72 Citations (Scopus)

Abstract

In this paper, a molecular dynamics simulation has been adopted to arrive at a phenomenological understanding of the wear mechanism of diamond tools against single crystal silicon in the single point diamond turning (SPDT) process. The radial distribution function confirms the formation of silicon carbide at the contact interface, which signals the initiation of wear of the diamond tool. A simultaneous mechanism of sp -sp disorder of the diamond tool was also found to proceed in tandem. This mechanism is corroborated by a recent experimental study, where silicon carbide and carbon like particles were observed after machining of single crystal silicon with a diamond tool through X-ray photoelectron spectroscope (XPS) technology.
LanguageEnglish
Pages272-281
Number of pages10
JournalTribology International
Volume57
Issue numberJanuary
Early online date5 Jul 2012
DOIs
Publication statusPublished - 1 Jan 2013

Fingerprint

Diamond
Silicon
Diamonds
diamonds
Wear of materials
Single crystals
single crystals
silicon
Silicon carbide
silicon carbides
Photoelectrons
radial distribution
machining
Distribution functions
Molecular dynamics
Machining
photoelectrons
Carbon
distribution functions
disorders

Keywords

  • single point diamond turning
  • tool wear
  • MD simulation

Cite this

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Wear mechanism of diamond tools against single crystal silicon in single point diamond turning process. / Goel, S.; Luo, X.; Reuben, R.L.

In: Tribology International, Vol. 57, No. January, 01.01.2013, p. 272-281.

Research output: Contribution to journalArticle

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