Ultrasonic assisted creep feed grinding of gamma titanium aluminide using conventional and superabrasive wheels

Debajyoti Bhaduri, Sein Soo, David Aspinwall, Donka Novovic, Stefan Bohr, Peter Harden, John A. Webster

Research output: Contribution to journalArticlepeer-review

14 Citations (Scopus)
144 Downloads (Pure)

Abstract

The paper details experimental work on ultrasonic assisted creep feed grinding (UACFG) of γ-TiAl intermetallic alloy: Ti–45Al–2Mn–2Nb + 0.8 vol.%TiB2XD (wt%), using conventional SiC and electroplated diamond wheels. The majority of forces recorded were lower when using vibration assistance compared to conventional CFG by up to ∼35%, while grinding-ratios for the superabrasive wheel were substantially higher by a factor of 2–7. A reduction in workpiece surface roughness by up to ∼10% together with fewer defects and marginally increased subsurface microhardness by a maximum of ∼8%, was obtained when employing ultrasonic assistance. With uprated process parameters however, the effects of UACFG were less apparent.
Original languageEnglish
Pages (from-to)341-344
Number of pages4
JournalCIRP Annals - Manufacturing Technology
Volume66
Issue number1
Early online date24 Apr 2017
DOIs
Publication statusPublished - 7 Jul 2017

Keywords

  • Titanium
  • vibration
  • surface integrity

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