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Materials 2018, 11(9), 1638; https://doi.org/10.3390/ma11091638

Comparison of Flank Super Abrasive Machining vs. Flank Milling on Inconel® 718 Surfaces

1
Department of Mechanical Engineering, University of the Basque Country (UPV/EHU), Plaza Ingeniero Torres Quevedo 1, 48013 Bilbao, Spain
2
CFAA—University of the Basque Country (UPV/EHU), Parque Tecnológico de Zamudio 202, 48170 Bilbao, Spain
3
Department of Mechanical Engineering, University of the Basque Country (UPV/EHU), Nieves Cano 12, 01006 Vitoria, Spain
*
Author to whom correspondence should be addressed.
Received: 19 July 2018 / Revised: 3 September 2018 / Accepted: 5 September 2018 / Published: 6 September 2018
(This article belongs to the Special Issue Machining—Recent Advances, Applications and Challenges)
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Abstract

Thermoresistant superalloys present many challenges in terms of machinability, which leads to finding new alternatives to conventional manufacturing processes. In order to face this issue, super abrasive machining (SAM) is presented as a solution due to the fact that it combines the advantages of the use of grinding tools with milling feed rates. This technique is commonly used for finishing operations. Nevertheless, this work analyses the feasibility of this technique for roughing operations. In order to verify the adequacy of this new technique as an alternative to conventional process for roughing operations, five slots were performed in Inconel® 718 using flank SAM and flank milling. The results showed that flank SAM implies a suitable and controllable process to improve the manufacture of high added value components made by nickel-based superalloys in terms of roughness, microhardness, white layer, and residual stresses. View Full-Text
Keywords: flank super abrasive machining (SAM); flank milling; Inconel® 718; roughness; residual stress flank super abrasive machining (SAM); flank milling; Inconel® 718; roughness; residual stress
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited (CC BY 4.0).
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González, H.; Pereira, O.; Fernández-Valdivielso, A.; López de Lacalle, L.N.; Calleja, A. Comparison of Flank Super Abrasive Machining vs. Flank Milling on Inconel® 718 Surfaces. Materials 2018, 11, 1638.

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