Zobrazeno 1 - 10
of 29
pro vyhledávání: '"Ana DONIGA"'
Autor:
Ana DONIGA
Publikováno v:
The Annals of “Dunarea de Jos” University of Galati. Fascicle IX, Metallurgy and Materials Science, Vol 35, Iss 3 (2012)
The paper presents the results of the laboratory research on the chemical composition and crystallographic texture in 3% Si steels and their influence on the level of magnetic losses in the final sheet. The magnetic properties have been estimated by
Externí odkaz:
https://doaj.org/article/d09dfe7751a5476aaf32467d937c7cc0
Publikováno v:
The Annals of “Dunarea de Jos” University of Galati. Fascicle IX, Metallurgy and Materials Science, Vol 35, Iss 2 (2012)
The paper presents results of a study undertaken to implement the dental casting technique of small parts characterized by extremely complex drawings of surfaces and thicknesses reduced specific objects. During the study there was a similarity betwee
Externí odkaz:
https://doaj.org/article/35249b64bdb7427fa04d9ed8fea9673e
Autor:
Elisabeta VASILESCU, Ana DONIGA
Publikováno v:
The Annals of “Dunarea de Jos” University of Galati. Fascicle IX, Metallurgy and Materials Science, Vol 35, Iss 1 (2012)
This paper summarizes the surface engineering technologies having a substantial contribution to increasing operational performance of the parts as well as current trends in the implementation of surface processing technologies that imply technical be
Externí odkaz:
https://doaj.org/article/1ef31eef2c0c4c4a9fdc9e7888bf36d9
Publikováno v:
The Annals of “Dunarea de Jos” University of Galati. Fascicle IX, Metallurgy and Materials Science, Vol 34, Iss 4 (2011)
In this paper were performed laboratory experiments regarding processing by pyrolysis process of urban waste components (wood, paper, textiles). The authors designed and developed an experimental equipment and were applied several technological param
Externí odkaz:
https://doaj.org/article/edd7ade9a6444555a646582ccc91d712
Publikováno v:
The Annals of “Dunarea de Jos” University of Galati. Fascicle IX, Metallurgy and Materials Science, Vol 32, Iss 2 (2009)
This paper shows the laboratory experiments made on several grade steels by applying some intercritical thermomechanical treatments; Two variants were used: “down-up” thermomechanical treatment with heating and rolling in the intercritical range
Externí odkaz:
https://doaj.org/article/c517a1b11f9940a4bfb9e6dacdc99f08
Publikováno v:
The Annals of “Dunarea de Jos” University of Galati. Fascicle IX, Metallurgy and Materials Science, Vol 32, Iss 2 (2009)
The paper presents a series of researches regarding the vaporization of the component elements of the metallic bath and slag during refining in LD converter. Also, the main factors which influence the vaporization process during steel making in LD co
Externí odkaz:
https://doaj.org/article/5934d19f93c14094ab0e9e34a9f0820b
Publikováno v:
The Annals of “Dunarea de Jos” University of Galati. Fascicle IX, Metallurgy and Materials Science, Vol 32, Iss 1 (2009)
This paper presents the results of industrial scale researches on the influence of the chemical composition on the characteristics of high yield point plates of wieldable fine grain steels. The comparative study of the mechanical characteristics obta
Externí odkaz:
https://doaj.org/article/801066c5bafb418b8a0bf682463485b9
Publikováno v:
The Annals of “Dunarea de Jos” University of Galati. Fascicle IX, Metallurgy and Materials Science, Vol 31, Iss 1 (2008)
This paper-work shows the laboratory experiments achieved on more silicon steel plates, where the magnetic ranges were spot- lighted by particular technical requirements. On the same plates the texture analyses were made considering Goss characterist
Externí odkaz:
https://doaj.org/article/96fdaf6ffc37453e9d59e9fd056f6acf
Publikováno v:
The Annals of “Dunarea de Jos” University of Galati. Fascicle IX, Metallurgy and Materials Science, Vol 30, Iss 1 (2007)
This paper-work shows the results of the laboratory researches of the postdeformation maintaining time influence on the physical-mechanical characteristics of the flat microalloyed steels, at high temperature thermomechanical treatments. The experime
Externí odkaz:
https://doaj.org/article/bcb1b37c65f0481e9997fa8d5a422071
Autor:
Ana DONIGA, Elisabeta VASILESCU
Publikováno v:
The Annals of “Dunarea de Jos” University of Galati. Fascicle IX, Metallurgy and Materials Science, Vol 29, Iss 2 (2006)
The paper presents experimental results concerning the inhibitor phases generation by microalloying elements utilization. It was made experiments on three silicon steel charges. It was observed that the inhibitor phases have a strong influence on ste
Externí odkaz:
https://doaj.org/article/e825aa9761504227b85bc3cb8e285702