Zobrazeno 1 - 10
of 40
pro vyhledávání: '"Doina Frunzaverde"'
Autor:
Vasile Cojocaru, Raul Rusalin Turiac, Doina Frunzaverde, Gelu Trisca, Nicoleta Bacescu, Gabriela Marginean
Publikováno v:
Applied Sciences, Vol 14, Iss 17, p 7642 (2024)
Dimensional accuracy and mechanical properties of components printed by fused deposition modeling (FDM) are influenced by several process parameters. In this paper, the authors targeted the effect of the printing scenario and the PLA (polylactic acid
Externí odkaz:
https://doaj.org/article/a4fba3352a4440c1a72dab900fd4cb17
Autor:
Doina Frunzaverde, Vasile Cojocaru, Nicoleta Bacescu, Costel-Relu Ciubotariu, Calin-Octavian Miclosina, Raul Rusalin Turiac, Gabriela Marginean
Publikováno v:
Polymers, Vol 15, Iss 10, p 2377 (2023)
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 is usually not even mentioned. Aiming to point out if, and to what extent, the color of th
Externí odkaz:
https://doaj.org/article/ae4f443ff7b14f878bee9b35dbd98e4d
Publikováno v:
Micromachines, Vol 14, Iss 1, p 120 (2022)
Additive manufacturing technologies enable the production of components with lightweight cores, by means of infills with various patterns and densities. Together with reduced mass and material consumption, infill geometries must ensure that strength
Externí odkaz:
https://doaj.org/article/dd77cfe5a7484949a1d5c185653aecc1
Autor:
Doina Frunzaverde, Vasile Cojocaru, Costel-Relu Ciubotariu, Calin-Octavian Miclosina, Deian Dorel Ardeljan, Emil Florin Ignat, Gabriela Marginean
Publikováno v:
Polymers, Vol 14, Iss 10, p 1978 (2022)
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 properties is the filament color. Moreover, the color of the PLA, as well as its manufacturer
Externí odkaz:
https://doaj.org/article/17092a8d51f84998aaf4eba2af7ffcf8
Publikováno v:
Materials, Vol 15, Iss 8, p 2943 (2022)
Flame-sprayed NiCrBSi/WC-12Co composite coatings were deposited in different ratios on the surface of stainless steel. Oxyacetylene flame remelting treatment was applied to surfaces for refinement of the morphology of the layers and improvement of th
Externí odkaz:
https://doaj.org/article/cc88d12f0eb5462db72a38e8a506f78b
Publikováno v:
Polymers, Vol 14, Iss 5, p 886 (2022)
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 extensive use of polylactic acid in additive manufacturing, particularly by fused filament fabr
Externí odkaz:
https://doaj.org/article/7386fa51f6fd4c81b02e1db7bf58dfa9
Autor:
Ana-Maria Budai, Viorel Constantin Campian, Doina Frunzaverde, Calin Miclosina, Damaschin Pepa
Publikováno v:
Tehnički Vjesnik, Vol 24, Iss Supplement 2, Pp 271-277 (2017)
The paper contains a complex analysis regarding the steps that must be followed in order to estimate the lifetime of the operating mechanism of Kaplan turbine runner blades. The work is structured in 3 parts, every one corresponding to a step that is
Externí odkaz:
https://doaj.org/article/ac0a9503e1e24bcea11403baf3e389c5
Publikováno v:
Materiale Plastice. 58:198-209
Initially developed as a rapid prototyping tool for project visualization and validation, the recent development of additive manufacturing (AM) technologies has led to the transition from rapid prototyping to rapid manufacturing. As a consequence, in
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::5a0890cfd83ee51d562a485bcd2b8e59
https://doi.org/10.37358/mp.21.3.5517
https://doi.org/10.37358/mp.21.3.5517
Publikováno v:
Scopus-Elsevier
In this study a fluid elastomer was applied by two different methods on a martensitic stainless steel substrate, in order to obtain coatings for protection against cavitation. The investigations regarding the resistance to cavitation erosion of the e
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::4e12b5f9b2806cbf792ded5c97398c50
https://doi.org/10.37358/mp.19.4.5279
https://doi.org/10.37358/mp.19.4.5279
Autor:
Doina Frunzaverde, Costel-Relu Ciubotariu, Aurel Valentin Bîrdeanu, Viorel-Aurel Șerban, G. Marginean
Publikováno v:
Optics & Laser Technology. 77:98-103
Cobalt base alloys are used in all industrial areas due to their excellent wear resistance. Several studies have shown that Stellite 6 coatings are suitable not only for protection against sliding wear, but also in case of exposure to impact loading.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::88664f27b45f3634d922a6694818e4a9
https://doi.org/10.1016/j.optlastec.2015.09.005
https://doi.org/10.1016/j.optlastec.2015.09.005