Zobrazeno 1 - 10
of 80
pro vyhledávání: '"Netrebko, P."'
Autor:
V. V. Netrebko
Publikováno v:
Nauka ta progres transportu, Iss 1(85), Pp 68-76 (2020)
Purpose. The article is aimed to obtain the regression dependences of manganese distribution between carbides and the metal base on the content of pig iron C, Cr, Mn and Ni after annealing at 690°C. Methodology. To achieve this purpose cast iron con
Externí odkaz:
https://doaj.org/article/e75cdf0d2fd44f319f47f1357657feb7
Autor:
V. V. Netrebko, I. P. Volchok
Publikováno v:
Litʹë i Metallurgiâ, Vol 0, Iss 1, Pp 34-40 (2018)
The dependences of the influence of the chemical composition of cast iron in the Fe-Cr-Mn-Ni system on the chromium cotent in the metal base (Cr1050о) and carbides (Cr1050Cr) after normalization from 1050 °C with aging for 4.5 hours were establishe
Externí odkaz:
https://doaj.org/article/cf1e74379b864c60a7dcf58fe6756067
Autor:
V. V. Netrebko, I. P. Volchok
Publikováno v:
Nauka ta progres transportu, Vol 70, Iss 4, Pp 60-70 (2017)
Purpose. The article is aimed to determine effect of the chemical composition of Fe-C-Cr-Mn-Ni cast iron on the chromium content in the metallic base, carbides and the coefficient of interphase distribution of chromium after annealing at 690 ° С (
Externí odkaz:
https://doaj.org/article/5752065d32bc4dfebcc7b228223c9c79
Autor:
V. V. Netrebko, I. P. Volchok
Publikováno v:
Litʹë i Metallurgiâ, Vol 0, Iss 4, Pp 38-43 (2017)
The influence of the chemical composition on the corrosion rate of high-chromium cast iron was researched. During the castings’ cooling process the replacement of the atoms of nickel, iron and manganese by the atoms of chromium in the carbides took
Externí odkaz:
https://doaj.org/article/dcb1820f7c064e0d86f50a818cf28d81
Autor:
V. V. Netrebko, I. P. Volchok
Publikováno v:
Nauka ta progres transportu, Vol 66, Iss 6, Pp 115-123 (2016)
Purpose. This paper focuses on obtaining the dependencies of the manganese content in the metallic base (Mno) and its interphase distribution coefficient (KPMn) on the cast iron’s chemical composition in the system Fe–C–Cr – Ni –Mn. Methodo
Externí odkaz:
https://doaj.org/article/aa64ce70161445a6822dda048958e5fe
Autor:
V. V. Netrebko
Publikováno v:
Nauka ta progres transportu, Vol 63, Iss 3, Pp 138-147 (2016)
Purpose. This article analyzes the formation conditions, transformation and systematization of carbide phases formed in the system Fe – C – Cr.Methodology. Conversion of the elements’ content from mass % into atomic % and vice versa was carried
Externí odkaz:
https://doaj.org/article/f43c90ec71a14d61b1b144a2e09638bd
Autor:
V. V. Netrebko
Publikováno v:
Nauka ta progres transportu, Vol 61, Iss 1, Pp 122-130 (2016)
Purpose. This research is aimed to obtain the regression dependence of the machinability on the chemical composition of pig iron (C, Cr, Mn and Ni) in cast state. Methodology. The method of active experiment planning was used to build a mathematical
Externí odkaz:
https://doaj.org/article/0d9384f32ce54466bb1fd76c37d44cc2
Autor:
V. V. Netrebko
Publikováno v:
Litʹë i Metallurgiâ, Vol 0, Iss 2, Pp 95-101 (2015)
The necessary level of material’s hardness is determined by the exploitation conditions and presence of technological operations during manufacturing of articles. Mechanical edge cutting machining of wear resistant materials is impeded because of t
Externí odkaz:
https://doaj.org/article/2969a362b9ec4e55b810cb410b125ad1
Autor:
V. V. Netrebko
Publikováno v:
Litʹë i Metallurgiâ, Vol 0, Iss 3, Pp 40-46 (2015)
During crystallization of castings from white cast iron, carbides Me3С, Me7С3, Me23С6 were formed depending on chromium and carbon content. Impeded chromium diffusion caused formation of thermodynamically unstable and non-uniform phases (carbides)
Externí odkaz:
https://doaj.org/article/47eb4883f60a4c2bb0d0c3812fde24df
Autor:
V. V. Netrebko
Publikováno v:
Nauka ta progres transportu, Vol 54, Iss 6, Pp 97-103 (2014)
Purpose. Analysis of changes of high-chromium cast irons' structure and properties under the influence of physical and heat factors during mechanical machining. Methodology. The methodology of evaluation of the cutting tool's force and heat influen
Externí odkaz:
https://doaj.org/article/c26ec2ee7cb84c1994016f8ce4b00eb3