Zobrazeno 1 - 10
of 40
pro vyhledávání: '"Gh. Amza"'
Publikováno v:
Metalurgija, Vol 54, Iss 3, Pp 523-526 (2015)
To optimize the plating process is necessary to know the behavior of surfaces plated during the exploitation and in particular susceptibility to cracking, the formation of cracks from the inside to outside or reverse, embrittlement in the heat affect
Externí odkaz:
https://doaj.org/article/6ba8674b9ccf4ed7aae94106e0aedcda
Publikováno v:
Metalurgija, Vol 54, Iss 3, Pp 531-534 (2015)
Plating by welding in an ultrasonic field represents a technological solution to increase resistance to corrosion and / or wear of pieces of the machinery industry. Research has been carried out for two types of parts, namely a piece of flange end ty
Externí odkaz:
https://doaj.org/article/bb53934777784bccb77e7aa7098e6056
Publikováno v:
Metalurgija, Vol 53, Iss 1, Pp 71-74 (2014)
The fillet welded structures, fatigue stressed, must have a concave shape in cross section and a smooth transition between weldseamand base material, without stress concentrators . In this issue for the welded structures with convex fillet welds, to
Externí odkaz:
https://doaj.org/article/2dbff1bdfe3a4641a9d733b09d92e6a2
Publikováno v:
Metalurgija, Vol 52, Iss 4, Pp 457-460 (2013)
This paper presents the factors that may cause pollution of the work environment when working with the oxyacetylene flame welding process. Experiments were performed using an oven that allows the analysis of all gases resulted in the welding process,
Externí odkaz:
https://doaj.org/article/2977a688e286444ba15b5e2c087e62e7
Publikováno v:
Metalurgija, Vol 52, Iss 3, Pp 321-324 (2013)
This paper presents the main factors that cause environmental pollution in the case of the welding procedure in a protective gas environment. In the research the MIG and MAG welding processes were taken into account. The materials used in the experim
Externí odkaz:
https://doaj.org/article/007bbd5358d5435e8209bf01f29bcfbf
Autor:
Gh. Amza, D. Dobrotă
Publikováno v:
Metalurgija, Vol 52, Iss 1, Pp 83-86 (2013)
The reconditioning problem by loading parts through welding is a special one because with this operation is desired in addition to a recovery of the initial size of the piece and also an increasement of resistance to fatigue and wear by erosion and/o
Externí odkaz:
https://doaj.org/article/52f3855e7e414780823dbb8035f3b9b6
Autor:
Gh. Amza, D. Dobrotă
Publikováno v:
Metalurgija, Vol 52, Iss 1, Pp 90-92 (2013)
The researches presented in the paper refer to the effect of ultrasounds propagation in the liquid metal bath on the process of transferring the additive material through the electric arch and on the crystallization process, and all these effects are
Externí odkaz:
https://doaj.org/article/b357f5659128453684e7c007a0a66919
Autor:
D. Dobrotă, Gh. Amza
Publikováno v:
Metalurgija, Vol 52, Iss 1, Pp 87-89 (2013)
Research presented in the paper refers to the structural analysis of materials that are thermally influenced for loading by welding of pieces in the classical variant of manual coated electric arc welding and the version that in which the welding bat
Externí odkaz:
https://doaj.org/article/09376f0a3c8647c3a6001072befdefc4
Publikováno v:
IOP Conference Series: Materials Science and Engineering. 1182:012083
Material extrusion 3D printing is a fabrication process that produces layered polymer parts with complex geometry but with inferior mechanical properties compared to parts made with other methods such as injection molding. Post fabrication heat treat
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::bb3741b55f134a44fe056b716c10b3bb
https://doi.org/10.1088/1757-899x/1182/1/012083
https://doi.org/10.1088/1757-899x/1182/1/012083
Publikováno v:
IOP Conference Series: Materials Science & Engineering; 10/2/2021, Vol. 1182 Issue 1, p1-9, 9p