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Can higher cutting speeds and temperatures improve the microstructural surface integrity of advanced Ni-base superalloys?

la Monaca, Andrea; Liao, Zhirong; Axinte, Dragos A.; M'Saoubi, Rachid; Hardy, Mark C.

Can higher cutting speeds and temperatures improve the microstructural surface integrity of advanced Ni-base superalloys? Thumbnail


Authors

Andrea la Monaca

DRAGOS AXINTE dragos.axinte@nottingham.ac.uk
Professor of Manufacturing Engineering

Rachid M'Saoubi

Mark C. Hardy



Abstract

Future Ni-base superalloys are designed to deliver outstanding mechanical behaviour at high temperatures, which may translate in significant machining challenges. In this work, a paradigm is presented by which is proven how machining of these materials could benefit from increased cutting speeds and temperatures provided that they are able to promote shear localisation and thermal softening in the chip deformation zones, whilst retaining high-temperature strength within the machined surface. In this way, thermal control of chip formation leads to both lower cutting forces and energies, as well as enhanced surface integrity with lower levels of microstructural reconfiguration.

Citation

la Monaca, A., Liao, Z., Axinte, D. A., M'Saoubi, R., & Hardy, M. C. (2022). Can higher cutting speeds and temperatures improve the microstructural surface integrity of advanced Ni-base superalloys?. CIRP Annals - Manufacturing Technology, 71(1), 113-116. https://doi.org/10.1016/j.cirp.2022.04.061

Journal Article Type Article
Acceptance Date Apr 28, 2022
Online Publication Date Apr 28, 2022
Publication Date 2022
Deposit Date May 22, 2022
Publicly Available Date May 26, 2022
Journal CIRP Annals
Print ISSN 0007-8506
Electronic ISSN 1726-0604
Publisher Elsevier
Peer Reviewed Peer Reviewed
Volume 71
Issue 1
Pages 113-116
DOI https://doi.org/10.1016/j.cirp.2022.04.061
Keywords Industrial and Manufacturing Engineering; Mechanical Engineering
Public URL https://nottingham-repository.worktribe.com/output/8049810
Publisher URL https://www.sciencedirect.com/science/article/pii/S0007850622001093?via%3Dihub

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