Environmentally clean micromilling of electron beam melted Ti6Al4V

S. Bruschi; G. Tristo; Z. Rysava; P. P. Bariani; D. Umbrello; Leonardo De Chiffre

doi:10.1016/j.jclepro.2016.06.035

Environmentally clean micromilling of electron beam melted Ti6Al4V

S. Bruschi, G. Tristo, Z. Rysava, P. P. Bariani, D. Umbrello, Leonardo De Chiffre

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Abstract

The paper is aimed at evaluating the performances of Minimum Quantity Lubrication (MQL), dry cutting and cryogenic cooling when applied to the micro-milling of Ti6Al4V titanium alloy samples obtained by Additive Manufacturing (AM) using the Electron Beam Melting (EBM) technology. The micro-milling tests were carried out on a high precision 5-axis micro-milling center, at varying cutting speed and feed per tooth. The performances of the different lubrication/cooling strategies were analyzed in terms of surface integrity, namely surface topography, nano-hardness and sub-surface microstructural alterations, in order to prove the impact of clean cutting conditions when applied to micro-machining of a AM titanium alloy of biomedical interest. It is shown that dry cutting assures the same performances of MQL, representing then the most suitable option to decrease the environmental impact of the machining process. (C) 2016 Elsevier Ltd. All rights reserved.

Original language	English
Journal	Journal of Cleaner Production
Volume	133
Pages (from-to)	932-941
ISSN	0959-6526
DOIs	https://doi.org/10.1016/j.jclepro.2016.06.035
Publication status	Published - 2016

Keywords

Ti6Al4V
Micro-milling
MQL
Dry
Cryogenic
Surface integrity

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10.1016/j.jclepro.2016.06.035

JCP Environmentally clean micromilling of electron beam melted Ti6Al4V accepted manuscriptAccepted author manuscript, 10.9 MB

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title = "Environmentally clean micromilling of electron beam melted Ti6Al4V",

abstract = "The paper is aimed at evaluating the performances of Minimum Quantity Lubrication (MQL), dry cutting and cryogenic cooling when applied to the micro-milling of Ti6Al4V titanium alloy samples obtained by Additive Manufacturing (AM) using the Electron Beam Melting (EBM) technology. The micro-milling tests were carried out on a high precision 5-axis micro-milling center, at varying cutting speed and feed per tooth. The performances of the different lubrication/cooling strategies were analyzed in terms of surface integrity, namely surface topography, nano-hardness and sub-surface microstructural alterations, in order to prove the impact of clean cutting conditions when applied to micro-machining of a AM titanium alloy of biomedical interest. It is shown that dry cutting assures the same performances of MQL, representing then the most suitable option to decrease the environmental impact of the machining process. (C) 2016 Elsevier Ltd. All rights reserved.",

keywords = "Ti6Al4V, Micro-milling, MQL, Dry, Cryogenic, Surface integrity",

author = "S. Bruschi and G. Tristo and Z. Rysava and Bariani, {P. P.} and D. Umbrello and {De Chiffre}, Leonardo",

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T1 - Environmentally clean micromilling of electron beam melted Ti6Al4V

AU - Bruschi, S.

AU - Tristo, G.

AU - Rysava, Z.

AU - Bariani, P. P.

AU - Umbrello, D.

AU - De Chiffre, Leonardo

PY - 2016

Y1 - 2016

N2 - The paper is aimed at evaluating the performances of Minimum Quantity Lubrication (MQL), dry cutting and cryogenic cooling when applied to the micro-milling of Ti6Al4V titanium alloy samples obtained by Additive Manufacturing (AM) using the Electron Beam Melting (EBM) technology. The micro-milling tests were carried out on a high precision 5-axis micro-milling center, at varying cutting speed and feed per tooth. The performances of the different lubrication/cooling strategies were analyzed in terms of surface integrity, namely surface topography, nano-hardness and sub-surface microstructural alterations, in order to prove the impact of clean cutting conditions when applied to micro-machining of a AM titanium alloy of biomedical interest. It is shown that dry cutting assures the same performances of MQL, representing then the most suitable option to decrease the environmental impact of the machining process. (C) 2016 Elsevier Ltd. All rights reserved.

AB - The paper is aimed at evaluating the performances of Minimum Quantity Lubrication (MQL), dry cutting and cryogenic cooling when applied to the micro-milling of Ti6Al4V titanium alloy samples obtained by Additive Manufacturing (AM) using the Electron Beam Melting (EBM) technology. The micro-milling tests were carried out on a high precision 5-axis micro-milling center, at varying cutting speed and feed per tooth. The performances of the different lubrication/cooling strategies were analyzed in terms of surface integrity, namely surface topography, nano-hardness and sub-surface microstructural alterations, in order to prove the impact of clean cutting conditions when applied to micro-machining of a AM titanium alloy of biomedical interest. It is shown that dry cutting assures the same performances of MQL, representing then the most suitable option to decrease the environmental impact of the machining process. (C) 2016 Elsevier Ltd. All rights reserved.

KW - Ti6Al4V

KW - Micro-milling

KW - MQL

KW - Dry

KW - Cryogenic

KW - Surface integrity

U2 - 10.1016/j.jclepro.2016.06.035

DO - 10.1016/j.jclepro.2016.06.035

M3 - Journal article

SN - 0959-6526

VL - 133

SP - 932

EP - 941

JO - Journal of Cleaner Production

JF - Journal of Cleaner Production

ER -

Environmentally clean micromilling of electron beam melted Ti6Al4V

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Keywords

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