Roughing Milling with Ceramic Tools in Comparison with Sintered Carbide on Nickel-Based Alloys

Productivity in the manufacture of aircrafts components, especially engine components, must increase along with more sustainable conditions. Regarding machining, a solution is proposed to increase the cutting speed, but engines are made with very difficult-to-cut alloys. In this work, a comparison b...

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Bibliographic Details
Published in:Coatings (Basel) 2021-06, Vol.11 (6), p.734
Main Authors: Fernández-Lucio, Pablo, Pereira Neto, Octavio, Gómez-Escudero, Gaizka, Amigo Fuertes, Francisco Javier, Fernández Valdivielso, Asier, López de Lacalle Marcaide, Luis Norberto
Format: Article
Language:English
Subjects:
Aeronautics
Aircraft
Carbide tools
Cemented carbides
Ceramic coatings
Ceramic tools
Ceramics
Composite materials
Cutting parameters
Cutting speed
Cutting tool materials
Cutting tools
Engine components
Environmental impact
Heat resisting alloys
Low speed
Lubricants & lubrication
Mechanical properties
Milling (machining)
Nickel alloys
Nickel base alloys
Productivity
Silicon nitride
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Summary:Productivity in the manufacture of aircrafts components, especially engine components, must increase along with more sustainable conditions. Regarding machining, a solution is proposed to increase the cutting speed, but engines are made with very difficult-to-cut alloys. In this work, a comparison between two cutting tool materials, namely (a) cemented carbide and (b) SiAlON ceramics, for milling rough operations in Inconel® 718 in aged condition was carried out. Furthermore, both the influence of coatings in cemented carbide milling tools and the cutting speed in the ceramic tools were analysed. All tools were tested until the end of their useful life. The cost performance ratio was used to compare the productivity of the tested tools. Despite the results showing higher durability of the coated carbide tool, the ceramic tools presented a better behavior in terms of productivity at higher speed. Therefore, ceramic tools should be used for higher productivity demands, while coated carbide tools for low speed-high volume material removal.
ISSN:2079-6412
2079-6412
DOI:10.3390/coatings11060734