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

Bhaduri, Debajyoti, Soo, S.L., Aspinwall, D.K., Novovic, D, Bohr, S, Harden, P and Webster, J.A. 2017. Ultrasonic assisted creep feed grinding of gamma titanium aluminide using conventional and superabrasive wheels. CIRP Annals - Manufacturing Technology 66 (1) , pp. 341-344. 10.1016/j.cirp.2017.04.085

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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.

Item Type: Article
Date Type: Publication
Status: Published
Schools: Engineering
Publisher: Elsevier
ISSN: 0007-8506
Date of First Compliant Deposit: 1 April 2019
Last Modified: 11 Jul 2019 12:30
URI: http://orca-mwe.cf.ac.uk/id/eprint/114201

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