Surface damage mechanism of monocrystalline silicon during single point diamond grinding

Quanli Zhang, Yucan Fu, Honghua Su, Qingliang Zhao, Suet To

Research output: Journal article publicationJournal articleAcademic researchpeer-review

23 Citations (Scopus)

Abstract

Surface damage mechanism of single crystalline Si (100) under single point diamond grinding was investigated in the present study. The result, for the first time, showed that the ductile and brittle material removal appeared at different grinding positions of the diamond wheel due to the varied kinematics of the diamond grits in the cylindrical face and end face. Under the dynamic pressure of the diamond grits, amorphization and the transformation to high pressure phases (Si-III and Si-XI) of Si occurred, which were identified by both XRD and Raman spectroscopy. In addition, surface oxidation and chemical reaction between the Si, O, C and N atoms was analyzed by the XPS, and the new products of Si3N4and graphite oxide (GO) are firstly proposed to be the surface damage of Si and the tool wear mechanism during the ultra-precision machining process.
Original languageEnglish
Pages (from-to)48-55
Number of pages8
JournalWear
Volume396-397
DOIs
Publication statusPublished - 15 Feb 2018

Keywords

  • Monocrystalline Si
  • Phase transformation
  • Single point diamond grinding
  • Tribochemistry

ASJC Scopus subject areas

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

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