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Mechanics of milling 48-2-2 gamma titanium aluminide.pdf (2.157Mb)
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Title
Mechanics of milling 48-2-2 gamma titanium aluminide
Author
ARRAZOLA, PEDRO JOSE ccMondragon Unibertsitatea
Lazcano Rayo, XabierMondragon Unibertsitatea
Aristimuño, Patxi Xabier ccMondragon Unibertsitatea
Author (from another institution)
Hussain, Abbas
Layegh K., S. Ehsan
Lazoglua, Ismail
Subasi, Omer
Yigit, I.Enes
Öztürk, Çağlar
Yavaş, Çağlar
Research Group
Mecanizado de alto rendimiento
Published Date
2020
Publisher
Elsevier Ltd.
Keywords
milling
gamma titanium allumide
coating
Abstract
Accurate and fast prediction of cutting forces is important in high-performance cutting in the aerospace industry. Gamma titanium aluminide (γ-TiAl) is a material of choice for aerospace and automotiv ... [+]
Accurate and fast prediction of cutting forces is important in high-performance cutting in the aerospace industry. Gamma titanium aluminide (γ-TiAl) is a material of choice for aerospace and automotive applications due to its superior thermo-mechanical properties. Nevertheless, it is a difficult to machine material. This article presents the prediction of cutting forces for Ti-48Al-2Cr-2Nb (48-2-2) γ-TiAl in milling process using orthogonal to oblique transformation technique. The novelty of this paper lies in reporting the orthogonal database of 48-2-2 γ-TiAl. Fundamental cutting parameters such as shear stress, friction angle and shear angle are calculated based on experimental measurements. Friction coefficients are identified for two different coating conditions which are AlTiN, and AlCrN on carbide tools. Predicted results are validated with the experimental cutting forces during end milling and ball-end milling operations for different cutting conditions. The simulated results showed good agreement with the experimental results, which confirms the validity of the force model. [-]
URI
http://hdl.handle.net/20.500.11984/1816
Publisher’s version
https://doi.org/10.1016/j.cirpj.2020.05.001
ISSN
1755-5817
Published at
CIRP Journal of Manufacturing Science and Technology  Vol. 30. Pp. 131–139, 2020
Document type
Article
Version
Postprint – Accepted Manuscript
Rights
© 2020 CIRP
Access
Embargoed Access (until 2022-08-01)
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  • Articles - Engineering [293]

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