Search Results - "Cojocaru, Vasile"

The Influence of the Process Parameters on the Mechanical Properties of PLA Specimens Produced by Fused Filament Fabrication-A Review by Cojocaru, Vasile, Frunzaverde, Doina, Miclosina, Calin-Octavian, Marginean, Gabriela

“…Polylactic acid (PLA) is produced from renewable materials, has a low melting temperature and has a low carbon footprint. These advantages have led to the…”
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The Effect of Solution Treatment Duration on the Microstructural and Mechanical Properties of a Cold-Deformed-by-Rolling Ti-Nb-Zr-Ta-Sn-Fe Alloy by Cojocaru, Vasile Dănuț, Șerban, Nicolae, Cojocaru, Elisabeta Mirela, Zărnescu-Ivan, Nicoleta, Gălbinașu, Bogdan Mihai

“…The study presented in this paper is focused on the effect of varying the solution treatment duration on both the microstructural and mechanical properties of…”
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Effects of Solution Treating on Microstructural and Mechanical Properties of a Heavily Deformed New Biocompatible Ti–Nb–Zr–Fe Alloy by Cojocaru, Vasile, Șerban, Nicolae

“…The effects of heavy cold plastic deformation by rolling on microstructural features and mechanical properties of Ti-25Nb-6Zr-1.7Fe (wt %) biocompatible alloy…”
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Solid-State Processing of CoCrMoNbTi High-Entropy Alloy for Biomedical Applications by Bololoi, Alina Elena, Geambazu, Laura Elena, Antoniac, Iulian Vasile, Bololoi, Robert Viorel, Manea, Ciprian Alexandru, Cojocaru, Vasile Dănuţ, Pătroi, Delia

“…High-entropy alloys (HEAs) gained interest in the field of biomedical applications due to their unique effects and to the combination of the properties of the…”
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Optimizing Structural and Mechanical Properties of an Industrial Ti-6246 Alloy below β-Transus Transition Temperature through Thermomechanical Processing by Alluaibi, Mohammed Hayder Ismail, Balkan, Irina Varvara, Șerban, Nicolae, Cinca, Ion, Angelescu, Mariana Lucia, Cojocaru, Elisabeta Mirela, Alturaihi, Saleh Sabah, Cojocaru, Vasile Dănuț

“…This study aims to investigate the effect of hot deformation on commercially available Ti-6246 alloy below its β-transus transition temperature at 900 °C,…”
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Effect of Cold-Rolling Deformation on the Microstructural and Mechanical Properties of a Biocompatible Ti-Nb-Zr-Ta-Sn-Fe Alloy by Cojocaru, Vasile Dănuț, Dan, Alexandru, Șerban, Nicolae, Cojocaru, Elisabeta Mirela, Zărnescu-Ivan, Nicoleta, Gălbinașu, Bogdan Mihai

“…The primary focus of the current paper centers on the microstructures and mechanical properties exhibited by a Ti-30Nb-12Zr-5Ta-2Sn-1.25Fe (wt. %) (TNZTSF)…”
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On the Behavior of Honeycomb, Grid and Triangular PLA Structures under Symmetric and Asymmetric Bending by Cojocaru, Vasile, Frunzaverde, Doina, Miclosina, Calin-Octavian

“…Additive manufacturing technologies enable the production of components with lightweight cores, by means of infills with various patterns and densities…”
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Microstructural Characterization of Al0.5CrFeNiTi High Entropy Alloy Produced by Powder Metallurgy Route by Geambazu, Laura Elena, Tălpeanu, Dorinel, Bololoi, Robert Viorel, Manea, Ciprian Alexandru, Bololoi, Alina Elena, Miculescu, Florin, Pătroi, Delia, Cojocaru, Vasile Dănuţ

“…Alloys with superior properties represent the main topic of recent studies due to their effectiveness in reducing the cost of equipment maintenance and…”
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The Influence of the Layer Height and the Filament Color on the Dimensional Accuracy and the Tensile Strength of FDM-Printed PLA Specimens by Frunzaverde, Doina, Cojocaru, Vasile, Bacescu, Nicoleta, Ciubotariu, Costel-Relu, Miclosina, Calin-Octavian, Turiac, Raul Rusalin, Marginean, Gabriela

“…Among the FDM process variables, one of the less addressed in previous research is the filament color. Moreover, if not explicitly targeted, the filament color…”
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Microstructural Considerations of a Multi-Pass Rolled Ti-Nb-Ta-Zr Alloy by Răducanu, Doina, Nocivin, Anna, Cojocaru, Vasile Dănuț, Șerban, Nicolae, Zărnescu-Ivan, Nicoleta, Irimescu, Raluca Elena, Gălbinașu, Bogdan Mihai

“…The microstructural characteristic evolution was investigated during thermomechanical processing of Ti-29Nb-9Ta-10Zr (wt %) alloy, which consisted of, in a…”
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Influence of Solution Treatment Duration on Microstructural Features of an Industrial Forged UNS S32750/1.4410/F53 Super Duplex Stainless Steel (SDSS) Alloy by Cojocaru, Vasile Dănuţ, Răducanu, Doina, Angelescu, Mariana Lucia, Vintilă, Adrian Nicolae, Şerban, Nicolae, Dan, Ioan, Cojocaru, Elisabeta Mirela, Cinca, Ion

“…The microstructural changes induced by solution treatment of an industrial forged F53 Super Duplex Stainless Steel alloy were studied, in order to emphasize…”
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Characterization and In Vitro and In Vivo Assessment of a Novel Cellulose Acetate-Coated Mg-Based Alloy for Orthopedic Applications by Neacsu, Patricia, Staras, Adela Ioana, Voicu, Stefan Ioan, Ionascu, Iuliana, Soare, Teodoru, Uzun, Seralp, Cojocaru, Vasile Danut, Pandele, Andreea Madalina, Croitoru, Sorin Mihai, Miculescu, Florin, Cotrut, Cosmin Mihai, Dan, Ioan, Cimpean, Anisoara

“…Despite their good biocompatibility and adequate mechanical behavior, the main limitation of Mg alloys might be their high degradation rates in a physiological…”
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Effect of the Printing Scenario on the Dimensional Accuracy and the Tensile Strength of Different Colored PLA Specimens Produced by Fused Deposition Modeling by Cojocaru, Vasile, Turiac, Raul Rusalin, Frunzaverde, Doina, Trisca, Gelu, Bacescu, Nicoleta, Marginean, Gabriela

“…Dimensional accuracy and mechanical properties of components printed by fused deposition modeling (FDM) are influenced by several process parameters. In this…”
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Microstructure Evolution during Hot Deformation of UNS S32750 Super-Duplex Stainless Steel Alloy by Cojocaru, Elisabeta Mirela, Nocivin, Anna, Răducanu, Doina, Angelescu, Mariana Lucia, Cinca, Ion, Balkan, Irina Varvara, Șerban, Nicolae, Cojocaru, Vasile Dănuț

“…The present paper analyzes UNS S32750 Super-Duplex Stainless Steel hot deformation behavior during processing by upsetting. The objective of this paper is to…”
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The Influence of the Printing Temperature and the Filament Color on the Dimensional Accuracy, Tensile Strength, and Friction Performance of FFF-Printed PLA Specimens by Frunzaverde, Doina, Cojocaru, Vasile, Ciubotariu, Costel-Relu, Miclosina, Calin-Octavian, Ardeljan, Deian Dorel, Ignat, Emil Florin, Marginean, Gabriela

“…The printing variable least addressed in previous research aiming to reveal the effect of the FFF process parameters on the printed PLA part's quality and…”
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Ball milling synthesis and stability under pressure in nanostructured HITPERM alloys by Cojocaru, Vasile Danut

“…The main aim of the present work is to study the synthesis and stability of soft-magnetic nanostructured materials under high pressure–high temperature…”
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Evaluation of Optimal Forging Temperature Range for an Industrial UNS S32750 SDSS Alloy Using SEM-EBSD Analysis by Angelescu, Mariana, Cojocaru, Vasile, Șerban, Nicolae, Cojocaru, Elisabeta

“…The deformation temperature of Super-Duplex Stainless Steels (SDSS) is a key factor defining the number of phases, their proportions, and their arrangement in…”
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Friction Forces in Numerical Simulations of Kinematical Joints of Mechanical Systems by Miclosina, Calin-Octavian, Cojocaru, Vasile, Vela, Daniel-Gheorghe

“…The paper presents a way of estimation, by simulation, of friction forces that occur in the kinematical joints of mechanical systems. Friction forces between…”
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Mechanical Behavior and Microstructural Development of 6063-T1 Aluminum Alloy Processed by Equal-Channel Angular Pressing (ECAP): Pass Number Influence by Serban, Nicolae, Cojocaru, Vasile-Danut, Butu, Mihai

“…Equal-channel angular pressing (ECAP) is a very interesting method for modifying the microstructure in producing ultrafine-grained materials and nanomaterials…”
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Evaluation of Hot Deformation Behaviour of UNS S32750 Super Duplex Stainless Steel (SDSS) Alloy by Angelescu, Mariana Lucia, Cojocaru, Elisabeta Mirela, Șerban, Nicolae, Cojocaru, Vasile Dănuț

“…The super-duplex stainless steel UNS S32750 consists of two main phases, austenite and ferrite, which differ not only by their morphology, physical, and…”
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