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Metals 2018, 8(10), 843; https://doi.org/10.3390/met8100843

Finishing Turning of Ni Superalloy Haynes 282

Department of Mechanical Engineering, University Carlos III of Madrid, Avda. de la Universidad 30, Leganés, 28911 Madrid, Spain
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Received: 8 October 2018 / Revised: 14 October 2018 / Accepted: 15 October 2018 / Published: 18 October 2018
(This article belongs to the Special Issue Machining and Finishing of Nickel and Titanium Alloys)
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Abstract

Nickel-based superalloys are widely used in the aeronautical industry, especially in components requiring excellent corrosion resistance, enhanced thermal fatigue properties, and thermal stability. Haynes 282 is a nickel-based superalloy that was developed to improve the low weldability, formability, and creep strength of other γ’-strengthened Ni superalloys. Despite the industrial interest in Haynes 282, there is a lack of research that is focused on this alloy. Moreover, it is difficult to find studies dealing with the machinability of Haynes 282. Although Haynes 282 is considered an alloy with improved formability when compared with other nickel alloys, its machining performance should be analyzed. High pressure and temperature localized in the cutting zone, the abrasion generated by the hard carbides included in the material, and the tendency toward adhesion during machining are phenomena that generate extreme thermomechanical loading on the tool during the cutting process. Excessive wear results in reduced tool life, leading to frequent tool change, low productivity, and a high consumption of energy; consequentially, there are increased costs. With regard to tool materials, cemented carbide tools are widely used in different applications, and carbide is a recommended cutting material for turning Haynes 282, for both finishing and roughing operations. This work focuses on the finishing turning of Haynes 282 using coated carbide tools with conventional coolant. Machining forces, surface roughness, tool wear, and tool life were quantified for different cutting speeds and feeds. View Full-Text
Keywords: finishing turning; Haynes 282; coated carbide tool; wear finishing turning; Haynes 282; coated carbide tool; wear
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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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Díaz-Álvarez, J.; Díaz-Álvarez, A.; Miguélez, H.; Cantero, J.L. Finishing Turning of Ni Superalloy Haynes 282. Metals 2018, 8, 843.

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