Zobrazeno 1 - 10
of 68
pro vyhledávání: '"Tomasz MERDER"'
Autor:
Tomasz Merder, Sławomir Kozłowski, Jacek Pieprzyca, Mariola Saternus, Agnieszka Sobianowska-Turek, Ladislav Socha
Publikováno v:
Scientific Reports, Vol 14, Iss 1, Pp 1-16 (2024)
Abstract The article presents the results of research carried out using a water model of a refining ladle for the Fe–Si ferroalloys treatment. These studies were aimed at improving the efficiency of refining and homogenization of liquid Fe–Si fer
Externí odkaz:
https://doaj.org/article/0cf123b1fee9475e91626fba55bf332d
Autor:
Ladislav Socha, Tomáš Prášil, Karel Gryc, Jana Svizelova, Mariola Saternus, Tomasz Merder, Jacek Pieprzyca, Petr Nuska
Publikováno v:
Scientific Reports, Vol 14, Iss 1, Pp 1-14 (2024)
Abstract The article focuses on the issue of improving the efficiency of a Foundry Degassing Unit (FDU) via operational testing of aluminium alloys during casting at MOTOR JIKOV Slévárna a.s.. As part of the research, the efficiency of the refining
Externí odkaz:
https://doaj.org/article/b835fee93b2d4b478408017516173f93
Autor:
Ladislav Socha, Tomáš Prášil, Karel Gryc, Jana Svizelova, Mariola Saternus, Tomasz Merder, Jacek Pieprzyca, Petr Nuska
Publikováno v:
Scientific Reports, Vol 13, Iss 1, Pp 1-17 (2023)
Abstract Physical modelling is successfully used to understand mechanisms involved in the aluminium refining process by injecting inert gas into the liquid metal through rotors. Two types of industrial impellers, which are extremely different in cons
Externí odkaz:
https://doaj.org/article/bd59c8db185c4926a2b030769ede835e
Publikováno v:
Materials, Vol 16, Iss 24, p 7698 (2023)
High-quality steels are defined primarily by a small quantity of non-metallic inclusions and a high degree of chemical homogenisation. The ladle furnace (LF) is the most important metallurgical unit in which the quantity of non-metallic inclusions ca
Externí odkaz:
https://doaj.org/article/a5239542a81e408c81c18a90a3b53140
Publikováno v:
Materials, Vol 16, Iss 21, p 6920 (2023)
This paper presents the results of studies on the occurrence of transient disturbances in the hydrodynamic system of a tundish feeding area and their effect on the casting process. In addition, the effect of changes in the level of superheating of th
Externí odkaz:
https://doaj.org/article/843b91a23cfd4471a7ca9e99642aa392
Autor:
Tomáš Prášil, Ladislav Socha, Karel Gryc, Jana Svizelová, Mariola Saternus, Tomasz Merder, Jacek Pieprzyca, Martin Gráf
Publikováno v:
Metals, Vol 12, Iss 11, p 1803 (2022)
Both the wear and the geometry of the rotor determine the efficiency of the process of aluminum refining. The paper presents wear tests of two different rotors: I (pump type) and II (propeller type). The operation of both rotors in industrial conditi
Externí odkaz:
https://doaj.org/article/3ff93dd7ab63442d9ca541141d14a61e
Autor:
Tomáš Prášil, Ladislav Socha, Karel Gryc, Jana Svizelová, Mariola Saternus, Tomasz Merder, Jacek Pieprzyca, Martin Gráf
Publikováno v:
Materials, Vol 15, Iss 20, p 7385 (2022)
Concern for the environment and rational management of resources requires the development of recoverable methods of obtaining metallic materials. This also applies to the production of aluminium and its alloys. The quality requirements of the market
Externí odkaz:
https://doaj.org/article/3facec16476a42cb8ed75857709ee441
Publikováno v:
Materials, Vol 15, Iss 15, p 5273 (2022)
This paper presents the results of tests on the suitability of designed heads (impellers) for aluminum refining. The research was carried out on a physical model of the URO-200, followed by numerical simulations in the FLOW 3D program. Four design va
Externí odkaz:
https://doaj.org/article/db5dfdb5b7ba44d7ac33f146ec8d5dad
Autor:
Tomáš Prášil, Ladislav Socha, Karel Gryc, Jana Svizelová, Mariola Saternus, Tomasz Merder, Jacek Pieprzyca, Martin Gráf
Publikováno v:
Materials, Vol 15, Iss 13, p 4425 (2022)
The paper presents the results of tests carried out during the refining of the AlSi9Cu3(Fe) alloy in industrial conditions at the FDU stand. In the tests, three different rotors made of classical graphite, fine-grained graphite and classical graphite
Externí odkaz:
https://doaj.org/article/c986339ab3fb41af972fc5c4750bc4c7
Autor:
Mariola Saternus, Tomasz Merder
Publikováno v:
Materials, Vol 15, Iss 2, p 575 (2022)
Obtaining high-quality aluminum is associated with the use of an effective method of refining, which is argon-purging, in which gas bubbles are introduced into the liquid metal by means of rotary impellers. Various rotary impellers are used in the in
Externí odkaz:
https://doaj.org/article/d10ef0cc6eb0477db5ea5724d9f76bf5