Zobrazeno 1 - 10
of 22
pro vyhledávání: '"Virgil Geamăn"'
Autor:
Virgil Geaman, Irinel Radomir
Publikováno v:
Nonconventional Technologies Review, Vol 20, Iss 4 (2016)
Thixoforming is a semi-solid process to obtain the thixotropic structure. The effective use of the semisolid process presumes good knowledge of the rnaterial behaviour. The paper presents some experimental data about the thixoforming process applied
Externí odkaz:
https://doaj.org/article/b75e7950c4aa4f6db9a1ffabe8a8ea69
Autor:
Mihai Alin Pop, Cătălin Croitoru, Tibor Bedo, Virgil Geamăn, Irinel Radomir, Aurel Crișan, Emmanuel Guillot, Ioan Miloșan, Sebastian Marian Zaharia, Lucia Antoaneta Chicoș
Publikováno v:
Materials, Vol 15, Iss 9, p 3324 (2022)
From a scientific point of view, heat transfer is different in solar furnaces compared with classical ones and the influence of direct concentrated solar radiation on sintered parts needs to be studied in detail to determine the feasibility of solar
Externí odkaz:
https://doaj.org/article/495694324ea84d4594a2a834007c1782
Autor:
Mihai Alin Pop, Cătălin Croitoru, Tibor Bedo, Virgil Geamăn, Irinel Radomir, Sebastian Marian Zaharia, Lucia Antoaneta Chicoș
Publikováno v:
Polymers, Vol 12, Iss 5, p 1129 (2020)
The utilization of polymer-based materials is quickly expanding. The enterprises of today are progressively seeking techniques to supplant metal parts with polymer-based materials as a result of their light weight, simple support and modest costs. Th
Externí odkaz:
https://doaj.org/article/8f39eddd7e684895b8ffb04d9ef583b8
Publikováno v:
The Annals of “Dunarea de Jos” University of Galati. Fascicle IX, Metallurgy and Materials Science, Vol 35, Iss 1 (2012)
Techniques for the preparation of metallic foams, including casting, powder metallurgy and metallic deposition, have been reviewed. There is a present interest in the development of materials capable of plastic deforming to absorb the effects of shoc
Externí odkaz:
https://doaj.org/article/142198e2c4574a40b74294cbd51c27c5
Autor:
Irinel Radomir, Tibor Bedo, Virgil Geamăn, Mihai Alin Pop, Brandusa Ghiban, Bogdan I. Florea, Augustin Semenescu
Publikováno v:
Materiale Plastice. 58:99-108
The main objective was to reduce the consumption of material when obtaining 3D printed parts (different empty shapes inside) and the secondary one was to maintain the mechanical properties closer to the full printed version. In order to achieve these
Autor:
Oana Roxana Chivu, Irinel Radomir, Virgil Geamăn, Augustin Semenescu, Mihai Alin Pop, Bogdan I. Florea
Publikováno v:
Materiale Plastice. 57:197-201
The work focuses some experimental aspects concerning the weight gain, differential scanning calorimetric (DSC), dilatometer analysis (DIL) and thermo - gravimetric analysis (TG/DTA) for a composite material, based on cotton tissue and unsaturated po
Autor:
Tibor Bedo, Irinel Radomir, Catalin Croitoru, Virgil Geamăn, Mihai Alin Pop, Sebastian Marian Zaharia, Lucia Antoaneta Chicoș
Publikováno v:
Polymers
Volume 12
Issue 5
Polymers, Vol 12, Iss 1129, p 1129 (2020)
Volume 12
Issue 5
Polymers, Vol 12, Iss 1129, p 1129 (2020)
The utilization of polymer-based materials is quickly expanding. The enterprises of today are progressively seeking techniques to supplant metal parts with polymer-based materials as a result of their light weight, simple support and modest costs. Th
Autor:
Bogdan I. Florea, Augustin Semenescu, Irinel Radomir, Sebastian Marian Zaharia, Oana Roxana Chivu, Mihai Alin Pop, Tibor Bedo, Virgil Geamăn, Ioan Milosan
Publikováno v:
Scopus-Elsevier
In the paper, are studied the effects of three acids (sulfuric, nitric and hydrochloric) in concentrations of 10% and 20% on the composite materials (type resins reinforced with fiberglass). These composite materials are obtained manually and lends i
Publikováno v:
Materials Science Forum. 907:193-197
Pistons are commonly made of a cast aluminum alloy for excellent and lightweight thermal conductivity. Thermal conductivity is the ability of a material to conduct and transfer heat. Aluminum expands when heated and proper clearance must be provided
Autor:
Bogdan I. Florea, Mihai Alin Pop, Oana Roxana Chivu, Tibor Bedo, Irinel Radomir, Augustin Semenescu, Ioan Milosan, Virgil Geamăn
Publikováno v:
Revista de Chimie. 68:464-469
The paper presents the technology for obtaining the composite materials experimental samples � based on a resin reinforced with fiberglass, obtained manually and tested in terms of strength, corrosion behaviour and water absorption. In conducted ex