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pro vyhledávání: '"Marian-Iulian NEACȘU"'
Autor:
Marian-Iulian NEACȘU
Publikováno v:
The Annals of “Dunarea de Jos” University of Galati. Fascicle IX, Metallurgy and Materials Science, Vol 46, Iss 4, Pp 11-15 (2023)
This paper presents the realization of a mathematical model of a heat treatment process of an Al-Si alloy, with the help of which the values of some mechanical properties are preached. The method of elaborating the mathematical model is a statistical
Externí odkaz:
https://doaj.org/article/0ff704e73d064e859672845949c876e4
Autor:
Marian-Iulian NEACȘU
Publikováno v:
The Annals of “Dunarea de Jos” University of Galati. Fascicle IX, Metallurgy and Materials Science, Vol 46, Iss 4, Pp 31-36 (2023)
The paper presents the method of finding the optimal variant of thermal processing through artificial aging that is applied to a non-ferrous aluminum-based alloy. The criterion based on which the optimum for the thermal process of artificial aging is
Externí odkaz:
https://doaj.org/article/32ca250c231f4921932b50976c41c957
Autor:
Marian-Iulian NEACȘU
Publikováno v:
The Annals of “Dunarea de Jos” University of Galati. Fascicle IX, Metallurgy and Materials Science, Vol 46, Iss 4, Pp 75-79 (2023)
The paper presents the results of the research on the resistance to stress corrosion on some samples from the alloy. AlZn5.7MgCu which were previously subjected to various thermal and thermomechanical processing. The gravimetric index or corrosion ra
Externí odkaz:
https://doaj.org/article/5858ff7537a04709a4757f7496f1e58b
Autor:
Marian-Iulian NEACȘU
Publikováno v:
The Annals of “Dunarea de Jos” University of Galati. Fascicle IX, Metallurgy and Materials Science, Vol 45, Iss 4, Pp 53-56 (2022)
The paper shows the method of making the equations of the mathematical model that describes the dependence of several mechanical and casting properties on the chemical composition of the cast irons of the second fusion and on the casting conditions.
Externí odkaz:
https://doaj.org/article/520801ca6f7f4ea2bfcc098ebddc1ec2
Autor:
Marian-Iulian NEACȘU
Publikováno v:
The Annals of “Dunarea de Jos” University of Galati. Fascicle IX, Metallurgy and Materials Science, Vol 45, Iss 4, Pp 15-19 (2022)
The paper presents the studies carried out in order to reduce the consumption of the volume of coke required for the production of pig iron in the furnace. Reducing coke consumption is necessary because it is an increasingly expensive material that i
Externí odkaz:
https://doaj.org/article/e8fed7d00f0d482e9ef32f75508300ab
Autor:
Marian-Iulian NEACȘU
Publikováno v:
The Annals of “Dunarea de Jos” University of Galati. Fascicle IX, Metallurgy and Materials Science, Vol 45, Iss 4, Pp 9-14 (2022)
The paper presents the research carried out on a laboratory scale in order to establish the heat treatment parameters for the thick sheets used for naval constructions (welded joints). Investigations were carried out on steel sheets with two differen
Externí odkaz:
https://doaj.org/article/1559ba1a61644f06b2b1c1564b1e0041
Autor:
Marian-Iulian NEACȘU
Publikováno v:
The Annals of “Dunarea de Jos” University of Galati. Fascicle IX, Metallurgy and Materials Science, Vol 45, Iss 4, Pp 36-40 (2022)
The paper presents the results of the research carried out on an Al alloy from the 7000 series. The material was subjected to several variants of thermal and thermomechanical processing. Research has been conducted on various artificial aging tempera
Externí odkaz:
https://doaj.org/article/c3e493169bed43718a79bd9dfc92f123
Autor:
Marian-Iulian NEACȘU
Publikováno v:
The Annals of “Dunarea de Jos” University of Galati. Fascicle IX, Metallurgy and Materials Science, Vol 44, Iss 2, Pp 35-38 (2021)
The paper presents the elaboration of a mathematical model of the cold strip rolling process combined with the recrystallization annealing after the rolling at LBR Liberty Galati. The elaborated mathematical model allows the prediction of the mechani
Externí odkaz:
https://doaj.org/article/1c1356cb3ff9420aae064362568b018d
Autor:
Marian-Iulian NEACȘU
Publikováno v:
The Annals of “Dunarea de Jos” University of Galati. Fascicle IX, Metallurgy and Materials Science, Vol 44, Iss 2, Pp 5-10 (2021)
The paper presents a mathematical model for predicting the mechanical properties of hot rolled strips. The realization of this mathematical model relied on statistical measurements of the mechanical properties (Rm, Rp0,2 and A5) for the laminated str
Externí odkaz:
https://doaj.org/article/edb903215f4c4b878b7da5d4acb1b651
Publikováno v:
The Annals of “Dunarea de Jos” University of Galati. Fascicle IX, Metallurgy and Materials Science, Vol 43, Iss 4 (2020)
Used mainly in the construction of automobiles as a substitute for steel, or in the metallurgical industry, mainly in the manufacture of rolling mill cylinders, the mechanical properties of nodular cast iron depend largely on their structure, consist
Externí odkaz:
https://doaj.org/article/de5bf0a168ae46ab9c4e39d7959d026b