Zobrazeno 1 - 10
of 38
pro vyhledávání: '"S. K. Arinova"'
Publikováno v:
Metalurgija, Vol 62, Iss 3-4, Pp 471-473 (2023)
The Nb effect on long-term strength of Cr18Ni10Ti steel is considered. There is substantiated selecting this steel for obtaining cast parts for metallurgical furnaces. It is shown that introduction of Nb in the amount of 1 % into steel of a given com
Externí odkaz:
https://doaj.org/article/6f655f82196d4cc780ccf6572269bbec
Publikováno v:
Metalurgija, Vol 61, Iss 1, Pp 197-199 (2022)
The paper considers the cast iron based on nihard-2 composition effect on the properties and process of graphitization. It is shown that changing the Cr:Si ratio equal to 2:1 leads to the development of the graphitization process, as a result of whic
Externí odkaz:
https://doaj.org/article/ba00d730064c486fbaf46781bb955610
Publikováno v:
Metalurgija, Vol 60, Iss 3-4, Pp 285-288 (2021)
The paper presents the results of a quantitative metallographic analysis of graphite inclusions in the structure of chrome cast irons including cast iron of the Nihard class, as well as after treatment with titanium carbide. The ThixometPro software
Externí odkaz:
https://doaj.org/article/9fd8c02077514ea4af328f338ce1032f
Publikováno v:
Metalurgija, Vol 59, Iss 4, Pp 511-513 (2020)
The paper presents some data of studying the microstructure, properties and surface quality of parts obtained in different modes. It is shown that in the case of quenching and tempering (QT) in the process of primary crystallization by vibration, in
Externí odkaz:
https://doaj.org/article/05a732b1623441c28b327530cc3f233f
Publikováno v:
Metalurgija, Vol 59, Iss 4, Pp 493-495 (2020)
The effect of heat treatment on the structure and properties of 30HGSNMA steel that has been subjected to vibration treatment at the stage of primary crystallization is considered in the work. It is proposed to use normalization with accelerated cool
Externí odkaz:
https://doaj.org/article/fdc5ea9000794c50bcd69587184718ae
Publikováno v:
Metalurgija, Vol 58, Iss 3-4, Pp 315-318 (2019)
The paper deals with the inoculant–freigrator effect on some parameters of the structure: grain size and contamination index. The “beads” extracted from steelmaking slags were used as the inoculant. The effect of the fractional composition and
Externí odkaz:
https://doaj.org/article/9df086ae1d7946949c5e066bece8b5a6
Publikováno v:
Metalurgija, Vol 58, Iss 3-4, Pp 283-286 (2019)
The refractory bricks structure impact on such operational properties as slag resistance and heat resistance is considered. Chamotte brick used in the RK metallurgical plants and refractory brick made according to the new technology with the use of n
Externí odkaz:
https://doaj.org/article/ade7553752d54e51b1375d8ec8d791f7
Publikováno v:
Metalurgija, Vol 58, Iss 3-4, Pp 326-328 (2019)
The properties and microstructure of 30 CrMoV9 steel after its treatment with ferronickel and ferromanganese with the aim of increasing the content of nickel and manganese in steel were studied. After the trial smelting, the samples were tested in fo
Externí odkaz:
https://doaj.org/article/a7e3db5fb42b42ed88a40fd202edee7a
Publikováno v:
Metalurgija, Vol 57, Iss 1-2, Pp 139-141 (2018)
The introducing of boron in very small amounts (0,001 – 0,02 %) improves considerably wear resistance and hardness, raises hardenability and thermal stability, it promotes grain crushing [1-3]. A preliminary analysis of the natural phases identifie
Externí odkaz:
https://doaj.org/article/5bcfb067c55a4f33915b1bb0f68e16bb
Publikováno v:
Metallurg. :46-48