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- Title
Manufacturing three-dimensional nickel titanium articles using layer-by-layer laser-melting technology.
- Authors
Shishkovsky, I.; Yadroitsev, I.; Smurov, I.
- Abstract
Specific features of layer-by-layer synthesis of three-dimensional (3D) nickel titanium (NiTi, nitinol) articles by selective laser melting (SLM) technology have been studied. Nonporous 3D nitinol articles have been obtained for the first time in a single technological cycle. A necessary condition was that the NiTi powder medium was heated to 500°C during sintering. The structure and composition of intermetallic phases in SLM-synthesized samples have been studied by optical metallography, microhardness measurements, scanning electron microscopy, X-ray diffraction, and energy-dispersive x-ray analysis techniques. Optimum SLM regimes for manufacturing NiTi articles and promising medical applications of this material are considered.
- Subjects
NICKEL-titanium alloys; MELTING; SELECTIVE laser sintering; INTERMETALLIC compounds; MICROHARDNESS; SCANNING electron microscopy; X-ray diffraction
- Publication
Technical Physics Letters, 2013, Vol 39, Issue 12, p1081
- ISSN
1063-7850
- Publication type
Article
- DOI
10.1134/S1063785013120250