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Oxygen and nitrogen concentrations in the Ti-6Al-4V Alloy manufactured by direct metal laser sintering (dmls) process
Institute of Metal Physics, Ural Branch of the Russian Academy of Science, Ekaterinburg.
Karlstad University, Faculty of Health, Science and Technology (starting 2013), Department of Engineering and Physics (from 2013). (CMM, Materials Engineering, Materials Science)ORCID iD: 0000-0002-9441-2502
Department of Mechanical and Mechatronic Engineering, Bloemfontein, Central University of Technology, Free State, South Africa.
Reg Engn Ctr Laser & Addit Technol, Ekaterinburg, Russia.
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2017 (English)In: Materials letters (General ed.), ISSN 0167-577X, E-ISSN 1873-4979, Vol. 209, p. 311-314Article in journal (Refereed) Published
Abstract [en]

Two machines from two scientific centers (Russia and South Africa) were used for the manufacturing of the Ti6Al4V alloys by the direct metal laser sintering. The chemical composition of powders complies with the ASTM F-136 (grade 5), ASTM B348 (grade 23) standard for medical applications. Analysis of the oxygen and nitrogen contamination in DMLS alloys was done with Van de Graaff accelerator with two Mega Volts. It is found that structures of the samples manufactured with two different machines used the same regimes are close to each other. TEM studies found the metastable martensitic structure and silicon nitride Si3N4. It was found that the oxygen and nitrogen contents in both samples are within the normal range for medical grade titanium alloys.

Place, publisher, year, edition, pages
Elsevier, 2017. Vol. 209, p. 311-314
Keywords [en]
Laser processing; Ti6Al4V; Oxidation; Biomaterials
National Category
Materials Engineering
Research subject
Materials Engineering
Identifiers
URN: urn:nbn:se:kau:diva-63804DOI: 10.1016/j.matlet.2017.08.037ISI: 000413124300080OAI: oai:DiVA.org:kau-63804DiVA, id: diva2:1142370
Available from: 2017-09-19 Created: 2017-09-19 Last updated: 2018-08-20Bibliographically approved

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Krakhmalev, Pavel

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