Zobrazeno 1 - 10
of 30
pro vyhledávání: '"Radu Stefanoiu"'
Publikováno v:
Nonconventional Technologies Review, Vol 24, Iss 4 (2020)
The papers aim is to present the constructive solution of a functional model that makes complex parts by thixotropy process as well as their manufacturing process. Our functional model was used to develop, by pressing when the material reaches a dens
Externí odkaz:
https://doaj.org/article/5f72d6018864459798015feb99ac0367
Publikováno v:
Key Engineering Materials. 890:183-189
The paper presents the manufacturing process of two classes of material that feature intelligent precursors, used for welding/cladding, and deposit layers with viable physical proprieties, that can be predetermined by a precise and well-balanced prog
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::f953e89ea08e386c2af17f68468687c1
https://doi.org/10.4028/www.scientific.net/kem.890.183
https://doi.org/10.4028/www.scientific.net/kem.890.183
Publikováno v:
Advanced Materials Research. 1157:182-187
A grapple is a device that includes at least one gripping arrangement. The gripping arrangement is configured to grip and traverse objects so as to reach a desired location on site and to anchor it, therefore allowing the work to be carried out. [1]
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::329196a1e55b48bd35e078fa187762be
https://doi.org/10.4028/www.scientific.net/amr.1157.182
https://doi.org/10.4028/www.scientific.net/amr.1157.182
Autor:
Daniela Maria Iovanaș, Horia Binchiciu, Emilia Florina Binchiciu, Ionelia Voiculescu, Radu Stefanoiu, Victor Geanta
Publikováno v:
Advanced Materials Research. 1157:188-193
The paper presents technologies for the manufacturing of modulated bi-metal elements, used as interchangeable reinforcement, according to patent RO129865. The bi-metal was developed by surface build-up of functional layers that have increased hardnes
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::efac397fc2267e98ae6f3305f24aa760
https://doi.org/10.4028/www.scientific.net/amr.1157.188
https://doi.org/10.4028/www.scientific.net/amr.1157.188
Autor:
Magdalena Lungu, Ciprian Alexandru Manea, Mircea Ionuț Petrescu, Ioana Csaki, Mirela Sohaciu, Radu Stefanoiu
Publikováno v:
Materials
Volume 14
Issue 15
Materials, Vol 14, Iss 4333, p 4333 (2021)
Volume 14
Issue 15
Materials, Vol 14, Iss 4333, p 4333 (2021)
The aim of the present paper is to investigate an innovative high corrosion resistance coating realized by electrospark deposition. The coating material was fabricated from HfNbTaTiZr high-entropy alloy. HEA was produced by the mechanical alloying of
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::5bf08a48c52bdafcd29a8a8907d9fafa
Autor:
Ionelia Voiculescu, Ioan Milosan, Ion Mihai Vasile, Victor Geanta, Elena Manuela Stanciu, Radu Stefanoiu, Alexandru Pascu, Adrian Dan Jianu
Publikováno v:
Scopus-Elsevier
4R generation nuclear power plants should work with metallic material of the highest quality, capable to resist in maximum safe conditions for 25-30 years. FeCrAl alloys are capable of such performance, because of the resistance to: oxidation at high
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::0945dd3af079cf9749a8213a72af731a
https://doi.org/10.37358/rc.19.2.6953
https://doi.org/10.37358/rc.19.2.6953
Publikováno v:
Zavarivanje i zavarene konstrukcije. 64:171-181
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::234ba1b6c59beb9b891dbb385580c54a
https://doi.org/10.5937/zzk1904171v
https://doi.org/10.5937/zzk1904171v
Publikováno v:
Materials
Materials, Vol 13, Iss 6, p 1455 (2020)
Volume 13
Issue 6
Materials, Vol 13, Iss 6, p 1455 (2020)
Volume 13
Issue 6
Due to worldwide regulations on electric motor manufacturing, the energy efficiency of these devices has to be constantly improved. A solution may reside in the fact that high quality materials and adequate cutting technologies should be carefully ch
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::62293657fe966188264149270be89baf
http://europepmc.org/articles/PMC7142443
http://europepmc.org/articles/PMC7142443
Autor:
Radu Stefanoiu, Mihai Buzatu, Victor Geanta, Eugenia Vasile, Gheorghe Iacob, Stefan Ioan Ghica, M.I. Petrescu, Mihai Butu
Publikováno v:
Materiale Plastice. 54:596-600
In the paper are presented the experimental researches made in order to obtain a new titanium alloy - Ti15Mo5W used for medical applications with improved mechanical characteristics and modulus of elasticity. In this regard Ti15Mo with addition of W
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::6de8d091df4bffd74bfacd96c761d477
https://doi.org/10.37358/mp.17.3.4905
https://doi.org/10.37358/mp.17.3.4905
Autor:
Radu Stefanoiu, Mihaela Taca, Ionelia Voiculescu, Dana Daisa, Dan Mihai Constantinescu, Victor Geanta
Publikováno v:
Materials Today: Proceedings. 4:5969-5972
The micro alloyed steels proved to be reliable materials for the forged automotive parts because of their high strength in as normalized condition. However their use is limited at parts non subjected to impact because the toughness of such a material
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::71ab76c1f18af5f294fc981a0500ac8f
https://doi.org/10.1016/j.matpr.2017.06.079
https://doi.org/10.1016/j.matpr.2017.06.079