Replacing diamond cutting tools with CBN for efficient nanometric cutting of silicon

S. Goel, X. Luo, R.L. Reuben, W.B. Rashid

Research output: Contribution to journalArticle

31 Citations (Scopus)

Abstract

Diamond is the hardest known naturally-occuring material and, for this reason, it is widely believed to be a superior cutting tool material for nanometric cutting of silicon for various ultra precision engineering applications. In this paper, a molecular dynamics (MD) simulation has been done to assess the performance of second ultra-hard material, cubic boron nitride (CBN), during the nanometric cutting of single crystal silicon. While cutting silicon with a CBN tool, MD results indicate a high magnitude of high pressure phase transformation (HPPT) in the cutting zone compared to what is achievable with a diamond tool. It was found that CBN caused the transformation of silicon from its stable diamond cubic lattice structure to FCC lattice structure in the cutting zone which produced better metallic response during cutting. Thus, the CBN tool generated a better ductile regime by the virtue of HPPT. Based on further analysis, it was concluded that a CBN tool can be more conducive for nanometric cutting of silicon and an effective substitute for a costly diamond tool.
LanguageEnglish
Pages507-509
Number of pages3
JournalMaterials Letters
Volume68
Issue number1 February
Early online date11 Nov 2011
DOIs
Publication statusPublished - 1 Feb 2012

Fingerprint

Diamond cutting tools
Cubic boron nitride
Silicon
boron nitrides
diamonds
Diamond
silicon
Diamonds
Molecular dynamics
phase transformations
Phase transitions
Precision engineering
molecular dynamics
face centered cubic lattices
Cutting tools
cubic lattices
Single crystals
engineering
substitutes
Computer simulation

Keywords

  • high pressure phase transformation (HPPT)
  • nanometric cutting
  • silicon
  • CBN

Cite this

Goel, S. ; Luo, X. ; Reuben, R.L. ; Rashid, W.B. / Replacing diamond cutting tools with CBN for efficient nanometric cutting of silicon. In: Materials Letters. 2012 ; Vol. 68, No. 1 February. pp. 507-509.
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Replacing diamond cutting tools with CBN for efficient nanometric cutting of silicon. / Goel, S.; Luo, X.; Reuben, R.L.; Rashid, W.B.

In: Materials Letters, Vol. 68, No. 1 February, 01.02.2012, p. 507-509.

Research output: Contribution to journalArticle

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