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    Wyświetlanie 1-3 z 3
    Tytuł:
    Nanostructured wear-resistant coatings based on refractory metals nitrides: physical-mechanical propertiesand structural-phase state
    Autorzy:
    Panda, Anton
    Dyadyura, Konstiantyn
    Hovorun, Tatyana
    Pylypenko, Oleksandr
    Dunaeva, Marina
    Pandová, Iveta
    Powiązania:
    https://bibliotekanauki.pl/articles/407251.pdf
    Data publikacji:
    2019
    Wydawca:
    Polska Akademia Nauk. Czytelnia Czasopism PAN
    Tematy:
    nanocomposite coatings
    friction
    wear
    hardness
    multilayered TiN/ZrN coating
    Opis:
    Results of scientific researches show the trend of active using nitrides and borides of transition metals and their combination in developing protective materials. While single elements nitrides have been well studied, their multilayer modifications and combinations require more detailed study. Physical-mechanical properties and structural-phase state of multilayer coating according to the deposition conditions is an important task for the study. It will be the analysis of physical-mechanical and electrical properties of coatings based on refractory metals nitrides, their structure and phase composition and surface morphology depending on the parameters of condensation. It was established the structure and behavior of nano scale coatings based on refractory metals nitrides (Ti, Zr) depending on the size of nano grains, texture, stress occurring in coatings.
    Źródło:
    Management and Production Engineering Review; 2019, 10, 4; 133-139
    2080-8208
    2082-1344
    Pojawia się w:
    Management and Production Engineering Review
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Research of microstructure of molybden doped weldings of oil and gas pipelines
    Autorzy:
    Pandova, Iveta
    Rimar, Miroslav
    Makarenko, Valery
    Vinnikov, Yuri
    Mangura, Andrey
    Zaborowski, Tadeusz
    Aloshyn, Valentyn
    Powiązania:
    https://bibliotekanauki.pl/articles/2037421.pdf
    Data publikacji:
    2021
    Wydawca:
    STE GROUP
    Tematy:
    structure
    fracture
    corrosion
    crystal lattice
    non–metallic inclusions
    Opis:
    Still existing scientific, technical and technological developments to improve the quality of welded joints of metal pipe structures contain contradictions and uncertainty about the effects of alloying elements, such as molybdenum, mechanical and visco-plastic properties, as well as metallographic component joints. All this indicates the need for a systematic study of these problems for the development of rational metallurgical and technological measures to significantly improve the technological and corrosion-mechanical properties of weld metal. Metallographic studies, using laboratory equipment with high identifying ability, found that the doping of weld metal with molybdenum in the amount of 0.2-0.4% causes fragmentation of ferrite-pearlite structure, including carbides Mn and Fe, and also reduces the number and size of non-metallic inclusions – sulfides, oxides and silicates. Moreover, non-metallic inclusions have a dispersed appearance, which promotes plasticization of the structure, which directly increases the viscous-plastic characteristics and resistance of the metal joints to crack formation. Based on the results of metallographic research, the optimum content in the weld metal of the alloyed element – molybdenum, which is 0.2-0.4%, is determined.
    Źródło:
    Management Systems in Production Engineering; 2021, 4 (29); 274-279
    2299-0461
    Pojawia się w:
    Management Systems in Production Engineering
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Implementation of integrated management system in order to enhance equipment efficiency
    Autorzy:
    Zaloga, Viliam
    Dyadyura, Konstiantyn
    Rybalka, Iryna
    Pandova, Iveta
    Powiązania:
    https://bibliotekanauki.pl/articles/410031.pdf
    Data publikacji:
    2019
    Wydawca:
    STE GROUP
    Tematy:
    complex technical system
    integrated management system
    standards
    Opis:
    The main aim of presented article is to present methodology how sophisticated products as compressor equipment can be considered and analysed as a complex technical system which consists of jointly operating components – a set of hardware, software, operational staff and documented information. In process modelling, these components are interacting in different processes of inputs, outputs, mechanisms (resources) or management. Based on the regulatory requirements for each component of the system, a key efficiency indicator can be identified. This allows to control the process and make appropriate decisions to improve the system. The application of the proposed methodology for the development and implementation of an integrated management system reduce the cost of resources and significantly improve the quality of the implementation of processes.
    Źródło:
    Management Systems in Production Engineering; 2019, 4 (27); 221-226
    2299-0461
    Pojawia się w:
    Management Systems in Production Engineering
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
      Wyświetlanie 1-3 z 3

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