Janeiro 2015 vol. 1 num. 3 - International Symposium on Crystallography
Full Article - Open Access.
EFFECT OF COOLING RATE ON MICROSTRUCTURE OF Ti-6Al-4V ALLOY PRODUCED BY DIRECT METAL LASER SINTERING
Santos, L.P.M. ; Jardini, A.L. ; Gonçalves, G.R. ; Almeida, A.A. ; Coelho, H.L.F. ; da Silva, M. J.G. ; Abreu, H.F.G. ; Béreš, M. ;
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Direct metal laser sintering (DMLS) technique allows to build complex components directly from metal powder. In this work, Ti-6Al-4V samples with dimensions 10 × 10 × 10 mm3 were produced by DMLS technique. Parallel and cross laser beam scanning strategies were employed. The alloy was then treated at 1040 °C for 1 h followed by cooling in furnace and in liquid nitrogen. Samples were characterized by optical and scanning electron microscopy in addition to X-ray diffraction (XRD). The microstructure revealed columnar prior β-grains containing α + β phase, which was further confirmed by the XRD technique.
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DOI: 10.5151/phypro-sic100-062
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Como citar:
Santos, L.P.M.; Jardini, A.L.; Gonçalves, G.R.; Almeida, A.A.; Coelho, H.L.F.; da Silva, M. J.G.; Abreu, H.F.G.; Béreš, M.; "EFFECT OF COOLING RATE ON MICROSTRUCTURE OF Ti-6Al-4V ALLOY PRODUCED BY DIRECT METAL LASER SINTERING", p. 62 . In: Proceedings of the International Symposium on Crystallography [Blucher Physics Proceedings, v.1, n.3].
São Paulo: Blucher,
2015.
ISSN 2358-2359,
DOI 10.5151/phypro-sic100-062
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