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Wyszukujesz frazę "Schlafka, P." wg kryterium: Autor

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    Wyświetlanie 1-8 z 8
    Tytuł:
    Rule of the fluoride stymulators in to the Carbo-N-Ox method during aluminium bronze melting process
    Autorzy:
    Bydałek, A. W.
    Schlafka, P.
    Powiązania:
    https://bibliotekanauki.pl/articles/379535.pdf
    Data publikacji:
    2013
    Wydawca:
    Polska Akademia Nauk. Czytelnia Czasopism PAN
    Tematy:
    refining
    stimulator
    slag
    thermal analysis
    copper alloy
    rafinacja
    stymulator
    żużel
    analiza cieplna
    stop miedzi
    Opis:
    During the slag refining process, in the real systems, the complex processes of mass exchange appear. Some relations between the stimulators in the environment - slag - metal system allow to initiate mass exchange reactions in the process of slag refining. Due to this kind of influences there is a possibility of direction and control of melting copper and it’s alloys.
    Źródło:
    Archives of Foundry Engineering; 2013, 13, 3; 15-18
    1897-3310
    2299-2944
    Pojawia się w:
    Archives of Foundry Engineering
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    The Influence of the Proportion of Charge from Waste Materials on the Quality of High Pressure Castings
    Autorzy:
    Schlafka, P.
    Bydałek, A. W.
    Powiązania:
    https://bibliotekanauki.pl/articles/380867.pdf
    Data publikacji:
    2019
    Wydawca:
    Polska Akademia Nauk. Czytelnia Czasopism PAN
    Tematy:
    die casting
    Al-Si alloys
    circulation scrap
    environment protection
    castings defects
    odlewanie
    stopy Al-Si
    złom
    ochrona środowiska
    wady odlewów
    Opis:
    Nowadays, the most popular production method for manufacturing high quality casts of aluminium alloys is the hot and cold chamber die casting. Die casts made of hypereutectoid silumin Silafont 36 AlSi9Mg are used for construction elements in the automotive industry. The influence of the metal input and circulating scrap proportion on porosity and mechanical properties of the cast has been examined and the results have been shown in this article. A little porosity in samples has not influenced the details strength and the addition of the circulating scrap has contributed to the growth of the maximum tensile force. Introducing 80% of the circulating scrap has caused great porosity which led to reduce the strength of the detail. The proportion of 40% of the metal input and 60% of the circulating scrap is a configuration safe for the details quality in terms of porosity and mechanical strength.
    Źródło:
    Archives of Foundry Engineering; 2019, 2; 21-24
    1897-3310
    2299-2944
    Pojawia się w:
    Archives of Foundry Engineering
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    The property estimation of copper alloys refining slag with the stimulators addition use the database
    Autorzy:
    Biernat, S.
    Bydałek, A. W.
    Schlafka, P.
    Powiązania:
    https://bibliotekanauki.pl/articles/380883.pdf
    Data publikacji:
    2011
    Wydawca:
    Polska Akademia Nauk. Czytelnia Czasopism PAN
    Tematy:
    refining slag
    computer program
    copper alloy
    żużel rafinacyjny
    program komputerowy
    stop miedzi
    Opis:
    The paper presents the analysis and investigation of the state of art in the field of metallurgy copper alloy in the reduction conduction. This article contains information concerning the analysis of the possibility of defining refinery qualities of slag based of the thermophysical and thermodynamical data. The isues presented deals not only with refining copper and melting stages, but also the idea of building an optimization program. In its assumption the program is supposed to check and search specific data very quickly on the particular types of slag. In the presented work it has been decided to show the results of the industrial investigations obtained with reference to copper alloys in the reduced melting conduction.
    Źródło:
    Archives of Foundry Engineering; 2011, 11, 2 spec.; 9-12
    1897-3310
    2299-2944
    Pojawia się w:
    Archives of Foundry Engineering
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Analiza środowiskowa warunków topienia brązów aluminiowych
    Environmental Analysis for the Melting of Aluminum Bronzes Process
    Autorzy:
    Schlafka, P.
    Bydałek, A. W.
    Bydałek, A.
    Powiązania:
    https://bibliotekanauki.pl/articles/379809.pdf
    Data publikacji:
    2014
    Wydawca:
    Polska Akademia Nauk. Czytelnia Czasopism PAN
    Tematy:
    topienie metali
    analiza termiczna
    właściwości
    melting metals
    thermal analysis
    properties
    Opis:
    W artykule przedstawiona zostanie analiza środowiskowych oddziaływań żużlowych powłok rafinujących w warunkach topienia brązów aluminiowych. Zostaną pokazane analizy termiczno-różnicowe analizowanych powłok rafinacyjnych. Przeprowadzona zostanie analiza powstających produktów.
    Not yet been clarified issues impact the individual components of slag refining. This applies to impacts on the process of mass transfer and the environment. For these ingredients include substances of stimulating the process of refining slag. The aim of the present study was to show the possibility of optimizing the components of the slag, through the use of stimulating substances intentionally introduced in the conditions of melting aluminum bronzes conditions. The analysing of the studied refiners compositions at an angle of environmental impacts noted a significant impact promoters containing sodium fluoride. Changes refining effect (on the plus side), however cause significant environmental burden. As evidenced by the results presented in Table 5 it follows that not only a fluorine leak out of the slag, but also react with the compounds of silicon and calcium. Compounds of fluorine therefore create a risk to the ambient gas in foundries. To the detriment of chloride NaCl speaks while the formation of water-soluble compounds which may pose a risk to groundwater. However, this can be countered through special bulkheads for storage of waste slag. We conclude that under the conditions of melting aluminum bronzes should be used slags containing no fluorine compounds.
    Źródło:
    Archives of Foundry Engineering; 2014, 14, 2 spec.; 71-76
    1897-3310
    2299-2944
    Pojawia się w:
    Archives of Foundry Engineering
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    The analysis of the chloride and fluoride influences on the reducer refinement processes (Carbo-N-Ox) aluminum alloys
    Autorzy:
    Bydałek, A. W.
    Schlafka, P.
    Biernat, S.
    Powiązania:
    https://bibliotekanauki.pl/articles/381958.pdf
    Data publikacji:
    2013
    Wydawca:
    Polska Akademia Nauk. Czytelnia Czasopism PAN
    Tematy:
    refinement
    database
    copper alloy
    rafinacja
    baza danych
    stop miedzi
    Opis:
    Slag refining slag with west materials was analysed used the DTA methods. In the paper a method of determining the reduction capability, with the Carbo-N-Ox method, of slag solutions was used. Some relations between the stimulators in the environment - slag - metal system allow to initiate mass exchange reactions in the process of slag refining.The presented in work course of behaviour permits on choice of basic composition of slaglite, the of necessary components stimulating quantities, as well as on accomplishment of opinion of ability refinement. The worked out programme Slag-Prop, after introduction of data with experiment, it allows on next corrections in composition of proposed mixtures also, should be put on properly elaborated factors of multistage reaction with essential usage of suitable stimulators.
    Źródło:
    Archives of Foundry Engineering; 2013, 13, 3; 9-14
    1897-3310
    2299-2944
    Pojawia się w:
    Archives of Foundry Engineering
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Assessment of the possibility of utilising waste materials from the aluminium production in the copper alloys refining processes
    Autorzy:
    Bydałek, A. W.
    Bydałek, A.
    Biernat, S.
    Schlafka, P.
    Powiązania:
    https://bibliotekanauki.pl/articles/382855.pdf
    Data publikacji:
    2013
    Wydawca:
    Polska Akademia Nauk. Czytelnia Czasopism PAN
    Tematy:
    reaction stimulator
    slag
    DTA
    stymulator reakcji
    żużel
    Opis:
    The analysis of possibilities of utilising waste materials as equivalents of substances stimulating in copper alloys refining processes was presented. The results of thermogravimetric investigations determining the refining ability of the slag with the selected waste materials from the aluminium production were discussed. The possibility of optimisation of the refining slag composition on the basis of the Slag-Prop software was indicated.
    Źródło:
    Archives of Foundry Engineering; 2013, 13, 4; 15-20
    1897-3310
    2299-2944
    Pojawia się w:
    Archives of Foundry Engineering
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Determination of the Technological Parameters Process for Continuously Cast Brass Ingot
    Autorzy:
    Bydałek, A. W.
    Kwaśniewski, P.
    Schlafka, P.
    Wołczyński, W.
    Najman, K.
    Powiązania:
    https://bibliotekanauki.pl/articles/381120.pdf
    Data publikacji:
    2018
    Wydawca:
    Polska Akademia Nauk. Czytelnia Czasopism PAN
    Tematy:
    brass
    continuous casting
    recycling
    mosiądz
    odlewanie ciągłe
    recykling
    Opis:
    This article discusses issues related to continuous casting of brass. The tested material was CuZn39Pb2 brass with the use of continuous casting and different parameters of the process. The position consists of a melting furnace with a graphite refining pot of about 4000 cm3 chuting capacity, a graphite crystallizer of 9,5 mm nominal diameter, a primary and secondary cooling system and an extracting system as well. The analysis was carried out in terms of technological parameters of the process and type of charge. Highlighted: feedrate ingot, number of stops, and technological temperatures. The surface quality of the obtained ingots and the structure were analyzed. The most favorable conditions were indicated and technological recommendations indicated. They have been distinguished for ingots for plasticity and other technologies. Favorable casting conditions are low feed and low temperature. Due to the presence of impurities coming from the charge it is disadvantageous to have Ni greater than 0.053% by mass, and Fe more than 0.075% by mass. It is recommended to maintain a high zinc content in the melt which is associated with non-overheating of the metal during casting and earlier melting.
    Źródło:
    Archives of Foundry Engineering; 2018, 18, 1; 9-14
    1897-3310
    2299-2944
    Pojawia się w:
    Archives of Foundry Engineering
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Structural Analysis of the Selected Products From the Suspension Furnace Produced in the Internal Recycling
    Autorzy:
    Bydałek, A. W.
    Schlafka, P.
    Grządko, K.
    Wołczyński, W.
    Kwapisiński, P.
    Bromber, S.
    Wędrychowicz, M.
    Powiązania:
    https://bibliotekanauki.pl/articles/382682.pdf
    Data publikacji:
    2017
    Wydawca:
    Polska Akademia Nauk. Czytelnia Czasopism PAN
    Tematy:
    slag
    copper recovery
    recycling
    żużel
    odzyskiwanie miedzi
    recykling
    Opis:
    There are presents the internal recycling in anode furnace, in addition to mainly blister copper and converter copper. During the process there arise the two types of semi-finished products intended for further pyro metallurgical processing: anode copper and anode slag. The stream of liquid blister copper enters into the anode furnace treatment, in which the losses are recovered, e.g. copper, resulting from oxidation and reduction of sulfides, oxides and the oxidation of metallic compounds of lead, zinc and iron. In the liquid phase there are still gaseous states, which gives the inverse relationship relating to the solid phase, wherein the gases found an outlet in waste gas or steam. The results of chemical analysis apparently differ from each other, because crystallite placement, the matrix structure and the presence of other phases and earth elements are not compared, which can be regained in the process of electrorefining. One should not interpret negatively smaller proportion of copper in the alloy, since during the later part of the production more elements can be obtained, for example from sludge, such as platinum group metals and lanthanides. According to the research the quality of blister copper, to a large extent, present in the alloy phase to many other elements, which can be recovered.
    Źródło:
    Archives of Foundry Engineering; 2017, 17, 2; 9-14
    1897-3310
    2299-2944
    Pojawia się w:
    Archives of Foundry Engineering
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
      Wyświetlanie 1-8 z 8

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