Fabrication and microstructural characterisation of additive manufactured Ti-6Al-4V parts by electron beam melting: This paper reports that the microstructure and micro-hardness of an EMB part is thickness dependent

Virtual and Physical Prototyping

Volumn 10, Issue 1, 2015, Pages 13-21

  Kok, Yihong ^a   Tan, Xipeng ^a   Tor, Shu Beng ^a   Chua, Chee Kai ^a  

^a NANYANG TECHNOLOGICAL UNIVERSITY   (Singapore)

Author keywords

additive manufacturing; electron beam melting; microstructure; Ti 6Al 4V; Vickers hardness

Indexed keywords

ALUMINUM; ELECTRON BEAM MELTING; ELECTRON BEAMS; FABRICATION; IMPELLERS; MANUFACTURE; MECHANICAL PROPERTIES; MELTING; MICROSTRUCTURE; TITANIUM ALLOYS; VICKERS HARDNESS;

ADDITIVE MANUFACTURING; DIFFERENT THICKNESS; EXTRA LOW INTERSTITIAL; MICRO-STRUCTURE EVOLUTIONS; MICROSTRUCTURAL CHARACTERISATION; MICROSTRUCTURE AND MECHANICAL PROPERTIES; THICKNESS DEPENDENCE; TI-6 AL-4 V;

3D PRINTERS;

EID: 84924582161     PISSN: 17452759     EISSN: 17452767     Source Type: Journal    
DOI: 10.1080/17452759.2015.1008643     Document Type: Article

References (21)

1. Ahmed, T. and Rack, H.J., 1998. Phase transformation during cooling in α+β titanium alloys. Materials Science and Engineering: A, 243, 206–211.
2. Al-Bermani, S.S.,., 2010. The origin of microstructural diversity, texture, and mechanical properties in electron beam melted Ti-6Al-4V. Metallurgical and Materials Transactions A, 41, 3422–3434.
3. Boyer, R., Welsch, G., and Collings, E.W., 1993. Materials properties handbook: titanium alloys. Materials Park, OH: ASM.
4. Chua, C.K. and Leong K.F., 2014. 3D printing and additive manufacturing: principles and application. 4th ed. Singapore: World Scientific.
5. Gaytan, S.M.,., 2009. Advanced metal powder based manufacturing of complex components by electron beam melting. Materials Science and Technology, 24, 180–190.
6. Gibson, I., Rosen, D.W., and Stucker, B., 2010. Additive manufacturing technologies. Boston, MA: Springer.
7. Gil Mur, F.X., Rodriguez, D. and Planell, J.A., 1996. Influence of tempering temperature and time on the α′-Ti-6Al-4V martensite. Journal of Alloys and Compounds, 234, 287–289.
8. Gulzar, A.,., 2009. Microstructure evolution during surface alloying of ductile iron and austempered ductile iron by electron beam melting. Applied Surface Science, 255, 8527–8532.
9. Gong, X.,., 2014. Review on power-based electron beam additive manufacturing technology. Manufacturing Review, 1, 1–12.
10. Gong, X.,., 2013. Powder-bed electron-beam-melting additive manufacturing: powder characterization, process simulation and metrology. In: J. Donnell and P. Durbetaki, eds. ASME District F ECTC proceedings. Vol 12. New York, NY: ASME Southeast District F, 59–66.
11. Hrabe, N. and Quinn, T., 2013. Effects of processing on microstructure and mechanical properties of a titanium alloy (Ti-6Al-4V) fabricated using electron beam melting (EBM), part 1: distance from build plate and part size. Materials Science and Engineering: A, 573, 264–270.
12. Koike, M.,., 2011. Evaluation of titanium alloys fabricated using rapid prototyping technologies—electron beam melting and laser beam melting. Materials, 4, 1776–1792.
13. Lu, W., Shi, Y., 2013. Correlation between tensile strength and hardness of electron beam welded TC4-DT joints. Journal of Materials Engineering and Performance, 22, 1694–1700.
14. Lu, Z.L., Cao, J.W.,., 2013. Review of main manufacturing processes of complex hollow turbine blades. Virtual and Physical Prototyping, 8, 87–95.
15. MacMasters,., 2009. Fuel nozzle. United States Patent Application US20090255262.
16. Murr, L.E.,., 2009. Microstructures and mechanical properties of electron beam-rapid manufactured Ti-6Al-4V biomedical prototypes compared to wrought Ti-6Al-4V. Materials Characterization, 60, 96–105.
17. Quail, F., Stickland, M.T., and Scanlon, T.J., 2009. Rapid manufacturing technique used in the development of a regenerative pump impeller. In: S.I. Ao., eds. Proceedings of the World Congress on Engineering 2009. Vol. 2. Hong Kong: Newswood, 1730–1736.
18. Safdar, A.,., 2012. Evaluation of microstructural development in electron beam melted Ti-6Al-4V. Materials Characterization, 65, 8–15.
19. Sieniawski, J., Ziaja, W., Kubiak, K., and Motyka, M., 2013. Microstructure and mechanical properties of high strength two-phase titanium alloys. Titanium Alloys-Advances in Properties Control, 69–80.
20. Tan, X. P.,., 2014. Application of electron beam melting (EBM) in additive manufacturing of an impeller. In: C. K. Chua , eds. Proceedings of the 1st International Conference on Progress in Additive Manufacturing. Singapore: Research Publishing Services, 327–332.
21. Zeng, L. and Bieler, T.R., 2005. Effects of working, heat treatment, and aging on microstructural evolution and crystallographic texture of α, α′, α″ and β phases in Ti-6Al-4V wire. Materials Science and Engineering: A, 392, 403–414.