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Afișează articolele 431-440 of 551
Analytical Model of Forge Cutting Process with Asymmetrical Tools
(Universitatea "Dunărea de Jos" din Galați, 2005)
In this paper is developed the theory of forge cutting process feasible with
asymmetrical tools. The asymmetrical cutting process is different of the symmetrical cutting
process. This type of process is necessary to ...
Improved Hardness and Tribocorrosion Properties of Nickel Coatings By Co-Depositing ZrO2 Micro-Sized Dispersed Phase During Electroplating Process
(Universitatea "Dunărea de Jos" din Galați, 2006)
The tribocorrosion properties of ZrO2 – nickel microstrucured composite
coatings have been studied in the following conditions:
-Solution: 0.5M K2SO4
-Tribo corrosimeter: pin on disc connected with electrochemical ...
The Structural Optimizing of Metallurgical Installations and Mechanisms
(Universitatea "Dunărea de Jos" din Galați, 2006)
The structural optimizing of used mechanisms in the machines construction
and metallurgy through the further liberty degrees creation is essential projection
problem, as it enters the closing mechanisms case with sliding ...
Mercury Determination from Incidentally Polluted Waters by Collecting Gravimetry in Organic Stage Method
(Universitatea "Dunărea de Jos" din Galați, 2006)
Determination of mercury in incidentally polluted waters, presented in CALIST
Program, was carried out using tiobis-β-naphthol as a reagent. The method
proposed for mercury determination, named “collecting gravimetry in ...
Jassy Achievements Regarding the Casting of Art Pieces for Artificial Lighting in Orthodox Churches
(Universitatea "Dunărea de Jos" din Galați, 2006)
In this paper are presented some art pieces, used in orthodox religion for
artificial general lighting. These pieces, realized at SC RANCON SRL Jassy, present
a special importance, because they join harmoniously the ...
The authentification of Old Bronze Coins and the Structure of the Archaeological Patina
(Universitatea "Dunărea de Jos" din Galați, 2006)
This paper presents comparative results concerning the chemical composition
and mineralogical distribution of the main compounds from the structure of the
archaeological patina of ancient bronze coins, which were determined ...
Surface Hardening by Nitration for Some Stainless Austenite Steel Types
(Universitatea "Dunărea de Jos" din Galați, 2006)
Stainless austenite steel types have a good resistance to corrosion in different
natural, industrial environments but their hardness and mechanical resistance are
low enough. In order to assure an increased resistance ...
Fuel Economy at the Heat Treatment Furnaces of Steel Cast Pieces
(Universitatea "Dunărea de Jos" din Galați, 2006)
The paper presents a study made at the annealing furnaces for homogenization of
cast pieces regarding the replacement of marsh gas with blast furnace gas, in a
proportion of 100%. In this way an important economy of marsh ...
Calibration and Reference Blocks Used in Nondestructive Ultrasound Examination, According to New European Union Requirements
(Universitatea "Dunărea de Jos" din Galați, 2006)
Pursuant international standards such of the European ones, the nondestructive
examinations have to be worked out by the most possible accuracy and repeatability,
that allow the difference making between the admitted ...
Processing Smart Wires from Cu-Al-Ni System
(Universitatea "Dunărea de Jos" din Galați, 2006)
In this paper we present some results concerning plastic deformation applied
to shape memory alloy and two most direct characterization methods for shape
memory. We work with a copper based alloy- Cu Al13Ni 4. Over eight ...