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Wyszukujesz frazę "Żuczek, R." wg kryterium: Autor

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    Wyświetlanie 1-5 z 5
    Tytuł:
    Shaping the Strength of Cast Rocker Arm for Special Purpose Vehicle
    Autorzy:
    Żuczek, R.
    Pysz, S.
    Maj, M.
    Piekło, J.
    Powiązania:
    https://bibliotekanauki.pl/articles/379543.pdf
    Data publikacji:
    2015
    Wydawca:
    Polska Akademia Nauk. Czytelnia Czasopism PAN
    Tematy:
    computer aiding
    foundry production
    design optimization
    aluminium alloy
    wspomaganie komputerowe
    produkcja odlewnicza
    optymalizacja konstrukcji
    stop aluminium
    Opis:
    The article discusses the weldment to casting conversion process of rocker arm designed for operation in a special purpose vehicle to obtain a consistency of objective functions, which assume the reduced weight of component, the reduced maximum effort of material under the impact of service loads achieved through topology modification for optimum strength distribution in the sensitive areas, and the development of rocker arm manufacturing technology. As a result of conducted studies, the unit weight of the item was reduced by 25%, and the stress limit values were reduced to a level guaranteeing safe application.
    Źródło:
    Archives of Foundry Engineering; 2015, 15, 3; 95-98
    1897-3310
    2299-2944
    Pojawia się w:
    Archives of Foundry Engineering
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Assessment of Durability of the Toothed Segment Based on FEM Analysis and Low Fatigue Cycle Test
    Autorzy:
    Piekło, J.
    Maj, M.
    Żuczek, R.
    Pysz, S.
    Powiązania:
    https://bibliotekanauki.pl/articles/381408.pdf
    Data publikacji:
    2016
    Wydawca:
    Polska Akademia Nauk. Czytelnia Czasopism PAN
    Tematy:
    design life cycle
    fatigue analysis
    fatigue criteria
    low fatigue cycle test
    cykl życia
    analiza zmęczeniowa
    kryteria zmęczeniowe
    niskocyklowe badanie zmęczeniowe
    Opis:
    The development of a novel design for the toothed segment of drive transmission in longwall shearer is expected to significantly reduce the cost of individual components of the feed system and the related work of repair and renovations, increasing at the same time the safety of mine repair teams. The conducted experimental and numerical analysis of the state of stress and strain in the innovative design of the toothed segment has enabled estimating the maximum effort of the developed structure. Based on the results of fundamental mechanical studies of the cast L20HGSNM steel and fatigue tests combined with the numerical stress/strain analysis, the fatigue life curve was plotted for the examined casting of the rack.
    Źródło:
    Archives of Foundry Engineering; 2016, 16, 4; 113-118
    1897-3310
    2299-2944
    Pojawia się w:
    Archives of Foundry Engineering
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    The Influence of the Microporosity on the Mechanical Properties of the AlZnMgCu Alloy, Based on the Numerical Analysis and Laboratory Trials
    Autorzy:
    Pysz, S.
    Żuczek, R.
    Piekło, J.
    Maj, M.
    Powiązania:
    https://bibliotekanauki.pl/articles/379604.pdf
    Data publikacji:
    2017
    Wydawca:
    Polska Akademia Nauk. Czytelnia Czasopism PAN
    Tematy:
    AlZnMgCu alloy
    microporosity
    mechanical properties
    low fatigue cycle test
    stop AlZnMgCu
    mikroporowatość
    właściwości mechaniczne
    niskocyklowe badanie zmęczeniowe
    Opis:
    The ecological meanings clearly indicates the need of reducing of the concentration of the CO2 in the atmosphere, which can be accomplished through the lowering of the fuel consumption. This fact implies the research for the new construction solutions regarding the reduction of the weight of vehicles. The reduced weight of the vehicle is also important in the case of application of the alternative propulsion, to extend the lifetime of the batteries with the reduction of recharge cycles. The use of cast alloy AlZnMgCu compliant of plastic forming class 7xxx alloy, are intended to significantly reduce the weight of the structures, while ensuring high strength properties. The wide range of the solidification temperature, which is more than 150°C, characterizes this alloy with a high tendency to create the micro and macro porosity. The study presents the relationship between the cooling rate and the area of occurrence and percentage of microporosity. Then the results were linked to the local tensile strength predicted in the simulation analysis. The evaluation of the microporosity was performed on the basis of the CT (computed tomography) and the analysis of the alloy microstructure. The microstructure analysis was carried out on test specimen obtained from the varying wall thickness of the experimental casting. The evaluation of the mechanical properties was prepared on the basis of the static tensile test and the modified low cycle fatigue test (MLCF).
    Źródło:
    Archives of Foundry Engineering; 2017, 17, 4; 137-142
    1897-3310
    2299-2944
    Pojawia się w:
    Archives of Foundry Engineering
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    The Design of a Cast Suspension Element, Determined by the Pressure Wave
    Autorzy:
    Żuczek, R.
    Maj, M.
    Piekło, J.
    Pysz, S.
    Powiązania:
    https://bibliotekanauki.pl/articles/381073.pdf
    Data publikacji:
    2018
    Wydawca:
    Polska Akademia Nauk. Czytelnia Czasopism PAN
    Tematy:
    multi-purpose cast
    optimal design
    mechanical properties
    AlZnMgCu alloy
    IDE explosion protection
    odlewanie
    projekt optymalny
    właściwości mechaniczne
    stop AlZnMgCu
    Opis:
    Based on the example of the development process of the cast suspension of a special-purpose vehicle the application of the integrated engineering design methodology (ICME – Integrated Computational Materials Engineering) and the development of construction has been presented. Identification of the operating and critical loads, which are guidelines for carrying out the structure strength shaping process, material and technological conversion, are due to the needs and requirements of the suspension system and the purpose and objectives of the special mobile platform. The developed cast suspension element construction includes the use of high-strength AlZnMgCu aluminum alloy. The properties of the used alloy and designed shape allows for the transfer of assumed operating loads in normal exploitation conditions and in the dynamic, critical loads to the susceptibility to damage in the assumed casting areas. For the proposed design, conducted numerical analyzes includes the impact of the shock wave pulse on the occurrence of the destructive stress fields. Based on their distribution, the areas of possible decomposition of the structure of the design element were estimated. The results allowed to devise an element with predicted destructions that allow to absorb a significant part of the impact energy of the shock wave front, which is also the buffer zone for the propagation of destruction for the critical kinematic nodes of the system.
    Źródło:
    Archives of Foundry Engineering; 2018, 18, 3; 59-64
    1897-3310
    2299-2944
    Pojawia się w:
    Archives of Foundry Engineering
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Low Cycle Mechanical and Fatigue Properties of AlZnMgCu Alloy
    Autorzy:
    Pysz, S.
    Czekaj, E.
    Żuczek, R.
    Maj, M.
    Piekło, J.
    Powiązania:
    https://bibliotekanauki.pl/articles/379977.pdf
    Data publikacji:
    2016
    Wydawca:
    Polska Akademia Nauk. Czytelnia Czasopism PAN
    Tematy:
    aluminium alloy
    high-strength
    low-cycle fatigue test
    mechanical properties
    stop aluminium
    wytrzymałość
    badanie zmęczeniowe
    właściwości mechaniczne
    Opis:
    The article presents the analysis of properties of the high-strength AlZnMgCu (abbr AlZn) aluminium alloy and estimates possibilities of its application for responsible structures with reduced weight as an alternative to iron alloy castings. The aim of the conducted studies was to develop and select the best heat treatment regime for a 7xx casting alloy based on high-strength materials for plastic working from the 7xxx series. For analysis, wrought AlZnMgCu alloy (7075) was selected. Its potential of the estimated as-cast mechanical properties indicates a broad spectrum of possible applications for automotive parts and in the armaments industry. The resulting tensile and fatigue properties support the thesis adopted, while the design works further confirm these assumptions.
    Źródło:
    Archives of Foundry Engineering; 2016, 16, 1; 55-60
    1897-3310
    2299-2944
    Pojawia się w:
    Archives of Foundry Engineering
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
      Wyświetlanie 1-5 z 5

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