A honeycomb-structured Ti-6Al-4V oil-gas separation rotor additively manufactured by selective electron beam melting for aero-engine applications

Tang, H, Wang, Q, Yang, G, Gu, J, Liu, N, Jia, L and Qian, M 2016, 'A honeycomb-structured Ti-6Al-4V oil-gas separation rotor additively manufactured by selective electron beam melting for aero-engine applications', JOM [Journal of the Minerals, Metals & Materials Society (TMS)], vol. 68, no. 3, pp. 799-805.


Document type: Journal Article
Collection: Journal Articles

Title A honeycomb-structured Ti-6Al-4V oil-gas separation rotor additively manufactured by selective electron beam melting for aero-engine applications
Author(s) Tang, H
Wang, Q
Yang, G
Gu, J
Liu, N
Jia, L
Qian, M
Year 2016
Journal name JOM [Journal of the Minerals, Metals & Materials Society (TMS)]
Volume number 68
Issue number 3
Start page 799
End page 805
Total pages 7
Publisher Springer
Abstract Oil-gas separation is a key process in an aero-engine lubrication system. This study reports an innovative development in oil-gas separation. A honeycomb-structured rotor with hexagonal cone-shaped pore channels has been designed, additively manufactured from Ti-6Al-4V using selective electron beam melting (SEBM) and assessed for oil-gas separation for aero-engine application. The Ti-6Al-4V honeycomb structure showed a high compressive strength of 110 MPa compared to less than 20 MPa for metal foam structures. The oil-gas separation efficiency of the honeycomb-structured separation rotor achieved 99.8% at the rotation speed of 6000 rpm with much lower ventilation resistance (17.3 kPa) than that of the separator rotor constructed using a Ni-Cr alloy foam structure (23.5 kPa). The honeycomb-structured Ti-6Al-4V separator rotor produced by SEBM provides a promising solution to more efficient oil-gas separation in the aero-engine lubrication system.
Subject Metals and Alloy Materials
DOI - identifier 10.1007/s11837-015-1778-9
Copyright notice © 2016, The Minerals, Metals and Materials Society.
ISSN 1047-4838
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