Development of a novel metalworking fluid engineered for use with microfiltration recycling

J. E. Wentz, S. G. Kapoor, R. E. DeVor, N. Rajagopalan

Research output: Contribution to journalArticle

Abstract

Membrane microfiltration is a promising technology that has been shown to extend metalworking fluid (MWF) life by eliminating contaminants while allowing the fluid to stay in use. However the efficacy of this technology is compromised by the clogging of the filter pores in a process known as membrane fouling. In this paper the fouling issue is addressed by the development of a semi-synthetic MWF specifically designed to not foul microfiltration membranes. The composition of the designed MWF is discussed and compared with a commercial MWF. Cross-flow microfiltration fouling tests were carried out in low-pressure, high-velocity conditions on ceramic α-alumina membranes. Several common MWF components are shown not to be factors of membrane fouling on these membranes. The flux of the designed fluid was found to reach an immediate steady state at about twice the value of the steady-state flux of the tested commercial fluid. Scanning electron microscope imaging was used to further evaluate membrane fouling by each fluid. The machining capabilities of the designed fluid were examined in terms of cutting forces and machining temperature.

Original languageEnglish (US)
Pages (from-to)135-142
Number of pages8
JournalJournal of Tribology
Volume129
Issue number1
DOIs
StatePublished - Jan 1 2007

Keywords

  • Membrane fouling
  • Metalworking fluids
  • Microfiltration

ASJC Scopus subject areas

  • Mechanics of Materials
  • Mechanical Engineering
  • Surfaces and Interfaces
  • Surfaces, Coatings and Films

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