• Evaluation of the Sonic System Efficiency for Raw Water Treatment 

      Cîrnu, Carmen; Bordei, Marian; Ciurea, Aurel (Universitatea "Dunărea de Jos' din Galaţi, 2012)
      Water pollution is defined as the change in the water composition that is harmful to human health, unsuitable for economic use or reactive and that can cause damage to the aquatic flora and fauna. In the appreciation of ...
    • Improving Slab Quality Through Control of Cooling Parameters in Continuous Casting Plants 

      Bordei, Marian; Dragomir, Ştefan (Universitatea "Dunărea de Jos" din Galaţi, 2014)
      Coupling the continuous casting installations with the rolling ones is a modern process that brings considerable economic benefits. During the continuous casting process of steel slabs, necessary technological conditions ...
    • Manufacture of Stud Link Chain Cable Made of Grade U1 and U2 Steel 

      Drăgan, Viorel; Bordei, Marian; Chis, Chris Mircea (Universitatea "Dunărea de Jos" din Galați, 2007)
      We have analyzed the fabrication technology of the link chain cable made of grade U1 and U2 steel from TREFO S.A. Galati and we had in view during the experiments several rolling programs. The main characteristics of a ...
    • Modelling by Finite Element Analysis Method of Stress State Establishing for an Alloy Steel 

      Măcuță, Silviu; Bordei, Marian (Universitatea "Dunărea de Jos" din Galați, 2008)
      The paper presents some results about the tension state in samples subject to pure bending fatigue process. Numerical simulation based on finite element method was used. The tension field induced by a vertical deformation ...
    • Monitoring of the Rolling Mill Vibration 

      Dragomir, Ștefan; Dragomir, Georgeta; Bordei, Marian (Universitatea "Dunărea de Jos" din Galați, 2009)
      These researches show the influence of mill vibration on the thickness profile of the stainless steel sheet. The alloy elements like Ni and Cr inside the stainless steel could amplify the rolling mill vibration and ...
    • Numerical Study on Ballistic Phenomena-Part Two 

      Bălan, Vasile; Bordei, Marian (Universitatea "Dunărea de Jos" din Galați, 2016)
      The study of ballistic phenomena (interior ballistics, exterior ballistics and terminal ballistics) is an activity that involves the use of complex and at the same time very expensive equipment. Also, another aspect worth ...
    • Optimization Techniques for the Neutralization of the Polluted Waters from Metal Plating 

      Dragomir, Ștefan; Bordei, Marian (Universitatea "Dunărea de Jos" din Galați, 2016)
      The problems related to the protection of the environment are regarded especially as a result of the local pollution by the industry and agriculture or by the overcrowded areas, which have led to the disturbance of some ...
    • Physico-Chemical Water Treated with Sonic Generatir and Al2(SO4) Coagulant 

      Şerban, Anca; Bordei, Marian; Ciurea, Aurel; Burtea, Mariana Carmen (Universitatea "Dunărea de Jos" din Galaţi, 2012)
      This paper is a study on the problem of using ultrasound in the treatment of raw water. It highlights the effect of ultrasounds produced by the experimental sonic ultrasound generator through the physico-chemical analysis ...
    • Prediction of Work Parameters in a Five Stand Cold Mill 

      Dragomir, Ștefan; Bordei, Marian; Tudor, Beatrice (Universitatea "Dunărea de Jos" din Galați, 2006)
      The accurate prediction of work parameters is essential for a quality product. A mathematical model is used for parameters calculus. It is important to directly predict the roll force and the other parameters and to ...
    • Research on the Work Place Security and Environmental Factors Affected by Lathe Work 

      Dragomir, Georgeta; Bordei, Marian; Dragomir, Ştefan (Universitatea "Dunărea de Jos" din Galaţi, 2014)
      Most work place risks are spatially and temporally determined, so a critical early need is to establish the risk of what (is happening) to whom (which part of the environment is affected), where (location) and when (in ...
    • Research Regarding Work safety in the Loading Zone Furnace 

      Dragomir, Ștefan; Bordei, Marian; Drăgan, Viorel (Universitatea "Dunărea de Jos" din Galați, 2013)
      The loading zone furnace is the place where we find work belt conveyors, vibrating screens and feeders, 5-ton hoist, cyclone, scale hoppers, troughs for routing and carriage of waste materials. The work consists in ...
    • Siderurgy Slags Recovery in Building Industry 

      Bordei, Marian; Enăcache, Liviu; Dragomir, Ștefan (Universitatea "Dunărea de Jos" din Galați, 2014)
      During the metallurgical processes of iron and steel elaboration, besides the basic products, it results a serious of secondary products (wastes) in high quantities but with a high recycle – recovery potential, and their ...
    • Studies Regarding the Cooling of the Rolled Pieces With Atomizing Water 

      Ciurea, Aurel; Bordei, Marian; Ciurea, Aurel; Bordei, Marian; Dragomir, Ștefan (Universitatea "Dunărea de Jos" din Galați, 2006)
      The diversity of metallurgical materials and processes imposes a large scale of cooling speeds. The classical cooling mediums restrict the scale of the cooling speeds, reason for which nonconventional alternatives were ...
    • The Analysis of the Breaking Susceptibility of Some Feritic Stainless Steel 

      Bordei, Marian; Ciurea, Aurel (Universitatea "Dunărea de Jos" din Galați, 2007)
      The growth of the world stainless steel conumption was the result of some new domains development, of some demands and special conditions undercooling not only the adaptability of this alloy but also the remarcable range ...
    • The Influence of Speed Cooling on Some Properties of Laminated Steel 

      Papadatu, Carmen Penelopi; Bordei, Marian (Universitatea "Dunărea de Jos" din, 2016)
      This study presents a possibility to predict the connection between the cooling regime and the properties of steel. An important factor to enhance the properties of steel is the speed of the cooling regime. To be in ...
    • The Management of Work Risk for a Plate Rolling mill Machine 

      Bordei, Marian; Dragomir, Ștefan; Drăgan, Viorel (Universitatea "Dunărea de Jos" din Galați, 2013)
      Arcelor Mittal is the leader on important iron and steel global markets. This company has a performant system for research, for iron and steel plate production and has a top network for distribution, too. The company ...