Ceramic Grinding Temperatures

Rajadasa R. Hebber, Srinivasan Chandrasekaar, Thomas N. Farris

Research output: Contribution to journalArticle

33 Scopus citations

Abstract

Workpiece and abrasive‐tip temperatures are measured during the grinding of silicon nitride, zirconia, sapphire, and Ni‐Zn ferrite with diamond abrasives. The measurements are carried out using a multiple‐element infrared sensor having a time constant of ∼7 μs and a spot size as small as 30 μm in diameter; the temperature measurements were made for both single‐point and full‐wheel grinding. A simple analytical model is used to predict the abrasive‐tip and work‐surface temperatures, the subsurface temperature of the workpiece, and the cooling of the abrasive grains between cutting. The predictions of the model agree reasonably well with experiments. The model requires as inputs only the grinding forces, grinding process variables, and the physical properties of the abrasive and workpiece materials. It is shown that, in view of the excellent thermal properties of the diamond abrasive, the surface temperature of the ceramic workpieces is essentially independent of the thermal properties of the ceramics.

Original languageEnglish (US)
Pages (from-to)2742-2748
Number of pages7
JournalJournal of the American Ceramic Society
Volume75
Issue number10
DOIs
StatePublished - Oct 1992
Externally publishedYes

All Science Journal Classification (ASJC) codes

  • Ceramics and Composites
  • Materials Chemistry

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