Zobrazeno 1 - 10
of 147
pro vyhledávání: '"Gheorghe Amza"'
Autor:
Dan Nițoi, Gheorghe Amza
Publikováno v:
Nonconventional Technologies Review, Vol 23, Iss 4 (2019)
The paper presents the studies, research and results obtained using ultrasounds in the field of industrial air filtration. In this regard, there are two types of air filter that have been designed for use in the air filtration system in the paint boo
Externí odkaz:
https://doaj.org/article/e65e405f49ec4c46ae92bb011fbec225
Autor:
Gheorghe AMZA, Dan Florin NIXOI, Andrei DIMITRESCU, Zoia APOSTOLESCU, Gabriel Dan TAŞCa, Marius Cornel TEODORESCU
Publikováno v:
Fiabilitate şi Durabilitate, Vol 1-Suppl, Iss 1, Pp 28-35 (2016)
Paper presents how to determine the environmental impact of nuclear equipment manufacturingcompany. Here are analized the most important sources of environmental pollution (booth blast, furnace annealing and thermal plant) and principal emissions a
Externí odkaz:
https://doaj.org/article/cf5041947a1848539bf96def3b1bfd08
Autor:
GHEORGHE AMZA
Publikováno v:
Fiabilitate şi Durabilitate, Vol 1-suppl, Iss 1, Pp 23-29 (2015)
The paper presents the objective function of metal spraying process and optimizing its ultrasonic field. For CCR objective function, named quality function of resulted couple, were taken into account the following factors: resistance to adhesion su
Externí odkaz:
https://doaj.org/article/45b71c41e8a940118c05eb7ed01b2b87
Autor:
GHEORGHE AMZA
Publikováno v:
Fiabilitate şi Durabilitate, Vol 1-suppl, Iss 1, Pp 15-22 (2015)
This paper presents experimental results obtained by metalizătii ultrasonic spray field by three works: oxigaz and wire flame, electric arc and three electrode wires and oxigaz flame and dust with ultrasonic activation of filler material or piece
Externí odkaz:
https://doaj.org/article/56819a1e4edc446eba4b3c3177cf23b4
Autor:
Gheorghe AMZA
Publikováno v:
Fiabilitate şi Durabilitate, Vol 1-suppl, Iss 1, Pp 9-14 (2015)
The problem of exploitation of diamond grinding wheels with metal coating for their grains including detonation ultra-dispersed diamonds to increase functional reliability to maintain the initial integrity of grains in the pressing and sintering of
Externí odkaz:
https://doaj.org/article/68fa2eadac344ac38aa53158d6857d6d
Publikováno v:
Fiabilitate şi Durabilitate, Vol 1-suppl, Iss 1, Pp 30-36 (2015)
The paper presents research on process optimization of metal spraying activated ultrasonic fields. In order to optimize process parameters are selected metal spraying flame and flame wire electrode with and without ultrasonic activation. It then ma
Externí odkaz:
https://doaj.org/article/ed55d8394807460b837eaba2e3367dc0
Publikováno v:
Nonconventional Technologies Review, Vol 21, Iss 1 (2017)
The paper presents the calculation and construction elements for the ultrasonic transducer system used in reworking by welding in ultrasonic field.The transducer is modeled by the finite element method analysis to determine the diagram of particle ve
Externí odkaz:
https://doaj.org/article/eec3ffb6dec44256918154983bc069e4
Publikováno v:
Fiabilitate şi Durabilitate, Vol 1-Suppl, Iss 1, Pp 51-58 (2014)
The efficiency of the plating process in the ultrasonic field is primarily dependent on the mode of introducing the ultrasonic energy into the welding bath. The research undertaken has revealed that the propagation of ultrasound in the liquid metal
Externí odkaz:
https://doaj.org/article/40ce4e5495f140c78b1d0c442559bf1b
Publikováno v:
Fiabilitate şi Durabilitate, Vol 1-Suppl, Iss 1, Pp 67-74 (2014)
The plating by welding of steel with a high carbon content can occur in the heat affected area a hardening of the material. In this paper we analyzed weld plating of 5 steels with high carbon content considering the heat affected zone where it can
Externí odkaz:
https://doaj.org/article/9258f95fa0de41e098cb360950bfaa45
Autor:
Dan DOBROTA, Gheorghe AMZA
Publikováno v:
Fiabilitate şi Durabilitate, Vol 1-supl, Pp 375-380 (2013)
The deployment of anytechnologicalprocesscauseenvironmentalpollution, andthisimplies a reductionin the quality of theworkenvironmentandthe ambient environment. In theseconditions, inthispaperwasaimedtoestablishingtheoptimumpointto reduce pollutionacc
Externí odkaz:
https://doaj.org/article/05327c20ce1548d29a9c7568427e61bb