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Browsing by Author "Yadroitsava, I."

Browsing by Author "Yadroitsava, I."

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  • 3D Printed Laryngoscope For Endotracheal Intubation 
    Huysamen, H.W.; Kinnear, W.A.; Fonternel, T.E.; Turton, E.W.; Yadroitsava, I.; Yadroitsev, I. (South African Journal of Industrial Engineering November 2020 Vol 31(3) Special Edition, pp 209-217, 2020-11-11)
    This study aims to determine whether additive manufacturing can be used to produce a safe and reliable video laryngoscope. Different designs were proposed and evaluated with a mannequin for usability. Finite element analysis ...
  • Deformation Behavior and Microstructure of Ti6Al4V Manufactured by SLM 
    Krakhmalev, P.; Fredriksson, G.; Yadroitsava, I.; Kazantseva, N.; du Plessis, A.; Yadroitsev, I. (Elsevier B.V: Physics Procedia, 2016)
    Mechanical properties, porosity, and microstructure of Ti6Al4V (ELI) material produced by Selective Laser Melting (SLM) under controlled oxygen content were analyzed. Fully martensitic α’structure with high dislocation ...
  • In Vitro Characterization of In Situ Alloyed Ti6Al4V(ELI)-3 at.% Cu Obtained by Laser Powder Bed Fusion 
    Vilardella, A.M.; Yadroitsev, I.; Yadroitsava, I.; Albu, M.; Takata, N.; Kobashi, M.; Krakhmalev, P.; Kouprianoff, D.; Kothleitner, G.; du Plessis, A. (Additive Manufacturing 36 (2020) 101436, 2020-07-03)
    Biofunctionalization of Ti6Al4V alloy with metallic agents like Ag or Cu is a promising approach to add antibacterial properties and thus to reduce the risk of implant failure. This research investigates the in-situ ...
  • IN-SITU ALLOYING OF TI6AL4V-x%CU STRUCTURES BY DIRECT METAL LASER SINTERING 
    Newby, E.B.; Kouprianoff, D.; Yadroitsava, I. (Department of Mechanical and Mechatronic Engineering Central University of Technology, South Africa, 2017)
    The formation of in-situ Ti6Al4V-x%Cu (1%, 3% and 5% Cu) alloy structures by Direct Metal Laser Sintering (DMLS) for application in medical implants was investigated. Ti6Al4V (ELI) powder was mixed with pure Cu powder of ...
  • IN-SITU ALLOYING PROCESS OF TI6AL4V-xCU STRUCTURES BY DIRECT METAL LASER SINTERING 
    Kinnear, A.; Dzogbewu, T. C.; Yadroitsava, I.; Yadroitsev, I. (SUNConferences, 17th Annual Conference of the Rapid Product Development Association of South Africa, 2016)
    In this paper the fabrication of in-situ Ti6Al4V-xCu alloy structures by DMLS are investigated. Ti6Al4V is a commonly used biomedical alloy because of it suitable mechanical and biocompatible properties. Copper is a proven ...
  • Influence Of Large Artificial Porosity On Bending Behaviour Of Ti6Al4V Eli Additively Manufactured Specimens Subjected To Typical Loads During Mastication 
    Wessels, J.A.; du Plessis, A.; Yadroitsava, I.; Els, J.; Yadroitsev, I. (South African Journal of Industrial Engineering November 2020 Vol 31(3) Special Edition, pp 242-252, 2020-11-11)
    Effective quality control of implants made using additive manufacturing is an important task for suppliers to comply fully with existing regulations and certifications. To study the influence of porosity on the mechanical ...
  • Manufacturing, microstructure and mechanical properties of selective laser melted Ti6Al4V-Cu 
    Kinnear, A.; Dzogbewu, T. C.; Krakhmalev, P.; Yadroitsava, I.; Yadroitsev, I. (LiM "Lasers in manufacturing" conference, Munich,, 2017)
    Ti6Al4V is a commonly used biomedical alloy because of its suitable mechanical and biocompatible properties. Infection at the bone–implant interface is the most probable reason for implant failure directly after implantation. ...
  • MICROSTRUCTURAL AND THERMAL STABILITY OF SELECTIVE LASER MELTED 316L STAINLESS STEEL SINGLE TRACKS# 
    Krakhmalev, P.; Yadroitsava, I.; Fredriksson, G.; Yadroitsev, I. (South African Journal of Industrial Engineering, 2017)
    To remove residual stresses, an as-built SLM object is usually post-treated. This treatment can affect the microstructure, changing the final mechanical characteristics. This investigation is focused on the microstructural ...
  • Multi material powder delivering systems for selective laser melting 
    Kinnear, A.; Yadroitsava, I.; Yadroitsev, I. (Central University of Technology, Free State, Bloemfontein: Interim : Interdisciplinary Journal, 2015)
    Selective Laser Melting (SLM) is a powder bed fusion process which is an additive manufacturing (AM) process, whereby a laser beam selectively fuses regions of a powder bed to form complex objects. Growth in the SLM field ...
  • NON-DESTRUCTIVE TESTING OF THE PARTS MANUFACTURED BY DIRECT METAL LASER SINTERING 
    Kouprianoff, D.; du Plessis, A.; Yadroitsava, I.; Yadroitsev, I. (SUNConferences, 17th Annual Conference of the Rapid Product Development Association of South Africa, 2016)
    Interest in Additive Manufacturing (AM) has grown considerably in the past decades. The industry has gained the great benefits from this type of technologies. The main advantages being geometrical freedom that allows ...
  • OPTIMAL PROCESS PARAMETERS FOR IN SITU ALLOYED Ti15Mo STRUCTURES BY LASER POWDER BED FUSION 
    Dzogbewu, T.C.; Yadroitsev, I.; Krakhmalev, P.; Yadroitsava, I.; Du Plessis, A. (Solid Freeform Fabrication 2017: Proceedings of the 28th Annual International Solid Freeform Fabrication Symposium–An Additive Manufacturing Conference, 2017)
    Powder Bed Fusion (PBF) is a manufacturing method with the advantage that it can produce objects of complex geometry. Additionally, it opens great opportunities to synthesize new materials from elemental powder using an ...
  • Qualification of Ti6Al4V ELI Alloy Produced by Laser Powder Bed Fusion for Biomedical Applications 
    Yadroitsev, I.; Krakhmalev, P.; Yadroitsava, I.; Du Plessis, A. (The Journal of The Minerals, Metals & Materials Society (TMS), 2017)
    Ti6Al4V ELI samples were manufactured by Laser Powder Bed Fusion (LPBF) in vertical and horizontal directions and subjected to various heat treatments. Detailed analyses of porosity, microstructure, residual stress, tensile ...
  • Residual stresses in direct metal laser sintered parts 
    Van Zyl, I.; Yadroitsava, I.; Yadroitsev, I. (Central University of Technology, Free State, Bloemfontein: Interim : Interdisciplinary Journal, 2015)
    Direct Metal Laser Sintering (DMLS) fabricates parts using a track-by-track, layer-by-layer method in which powder is formed by melting and solidification of single tracks and thin layers. A laser beam scans over the powder ...
  • Topology Optimization and Characterization of Ti6Al4V ELI Cellular Lattice Structures by Laser Powder Bed Fusion for Biomedical Applications 
    Takezawa, A.; Du Plessis, A.; Takata, N.; Krakhmalev, P.; Kobashi, M.; Yadroitsava, I.; Yadroitsev, I. (Materials Science & Engineering A, 2019-08-24)
    Topology optimization approach was used for the design of Ti6Al4V ELI lattice structures with stiffness and density close to the human bone for implant applications. Three lattice designs with volume densities of 35 %, ...

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