The effects of cryogenic cooling on surface integrity in hard machining: A comparison with dry machining

Domenico Umbrello, Fabrizio Micari, I. S. Jawahir

Research output: Contribution to journalArticlepeer-review

137 Scopus citations

Abstract

This paper presents results of an experimental study of cryogenic machining of hardened AISI 52100 steel, focusing on surface integrity. Experiments were performed under dry and cryogenic cooling conditions using CBN tools varying cutting speeds, workpiece hardness and tool geometry. Surface integrity parameters (surface roughness, white layer thickness, residual stresses, metallurgical conditions including grain size, phase transformation, etc.) were investigated to establish the effects of cryogenic cooling on the surface integrity of the machined component, and results were compared with those from dry hard machining. Overall, cryogenic cooling provides improved surface integrity leading to extended product life and performance.

Original languageEnglish
Pages (from-to)103-106
Number of pages4
JournalCIRP Annals - Manufacturing Technology
Volume61
Issue number1
DOIs
StatePublished - 2012

Keywords

  • Cryogenic cooling
  • Cutting
  • Surface integrity

ASJC Scopus subject areas

  • Mechanical Engineering
  • Industrial and Manufacturing Engineering

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