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    Wyświetlanie 1-4 z 4
    Tytuł:
    Roughness of 1.0721 steel after corrosion tests in 20% NaCl
    Autorzy:
    Lipiński, T.
    Powiązania:
    https://bibliotekanauki.pl/articles/111793.pdf
    Data publikacji:
    2017
    Wydawca:
    Stowarzyszenie Menedżerów Jakości i Produkcji
    Tematy:
    steel
    corrosion
    corrosion rare
    roughness
    NaCl solution
    korozja stali
    roztwór NaCl
    chropowatość stali
    zużycie korozyjne
    Opis:
    Non-alloy quality case-hardening steels are used for low-load components made on automatic machining centers (automatic lines). Because of the widespread use of these steel in open constructions, they are exposed to atmospheric corrosion. The study attempted to analyze the effect of 20% aqueous NaCl solution on the roughness of the steel as a result of corrosion. The steel roughness and corrosion wear were determined according to corrosion time.
    Źródło:
    Production Engineering Archives; 2017, 15; 27-30
    2353-5156
    2353-7779
    Pojawia się w:
    Production Engineering Archives
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Fatigue and Corrosion Fatigue of 18Ni Maraging Steel
    Autorzy:
    Yongmei, Zhu
    Junjie, Chen
    Wenxian, Tang
    Weicheng, Cui
    Xiaorong, Wang
    Fang, Wang
    Baoji, Yin
    Powiązania:
    https://bibliotekanauki.pl/articles/2049667.pdf
    Data publikacji:
    2021
    Wydawca:
    Polska Akademia Nauk. Czytelnia Czasopism PAN
    Tematy:
    corrosion fatigue
    18Ni (250)
    loading frequency
    stress ratio
    3.5%NaCl solution
    Opis:
    This study focused on the fatigue and corrosion fatigue of maraging steel 18Ni (250). The 18Ni (250) samples were tested for axial fatigue in air and 3.5% NaCl solution. The effects of loading frequency and stress ratio on the fatigue strength of 18Ni (250) were studied. in air, the loading frequency was 10 Hz, and the stress ratio was 0.5. however, three loading methods were used in the 3.5% NaCl solution: (i) the loading frequency of 1 Hz and stress ratio of 0.5; (ii) the loading frequency of 1 Hz and stress ratio 0.1, and (iii) the loading frequency 5 Hz and stress ratio 0.5. The corrosion fatigue strength of samples in the 3.5% NaCl solution was 63.3% lower than that of the samples in air. The fractures in the samples were observed after the test.
    Źródło:
    Archives of Metallurgy and Materials; 2021, 66, 2; 381-390
    1733-3490
    Pojawia się w:
    Archives of Metallurgy and Materials
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Fatigue and Corrosion Fatigue of 18Ni Maraging Steel
    Autorzy:
    Yongmei, Zhu
    Junjie, Chen
    Wenxian, Tang
    Weicheng, Cui
    Xiaorong, Wang
    Fang, Wang
    Baoji, Yin
    Powiązania:
    https://bibliotekanauki.pl/articles/2049558.pdf
    Data publikacji:
    2021
    Wydawca:
    Polska Akademia Nauk. Czytelnia Czasopism PAN
    Tematy:
    corrosion fatigue
    18Ni (250)
    loading frequency
    stress ratio
    3.5%NaCl solution
    Opis:
    This study focused on the fatigue and corrosion fatigue of maraging steel 18Ni (250). The 18Ni (250) samples were tested for axial fatigue in air and 3.5% NaCl solution. The effects of loading frequency and stress ratio on the fatigue strength of 18Ni (250) were studied. In air, the loading frequency was 10 Hz, and the stress ratio was 0.5. However, three loading methods were used in the 3.5% NaCl solution: (i) the loading frequency of 1 Hz and stress ratio of 0.5; (ii) the loading frequency of 1 Hz and stress ratio 0.1, and (iii) the loading frequency 5 Hz and stress ratio 0.5. The corrosion fatigue strength of samples in the 3.5% NaCl solution was 63.3% lower than that of the samples in air. The fractures in the samples were observed after the test.
    Źródło:
    Archives of Metallurgy and Materials; 2021, 66, 1; 321-330
    1733-3490
    Pojawia się w:
    Archives of Metallurgy and Materials
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Corrosion resistance of SiMo- and SiCu-types of nodular cast iron in NaCl solution
    Autorzy:
    Vaško, Alan
    Zatkalíková, Viera
    Kaňa, Václav
    Powiązania:
    https://bibliotekanauki.pl/articles/88510.pdf
    Data publikacji:
    2020
    Wydawca:
    Stowarzyszenie Menedżerów Jakości i Produkcji
    Tematy:
    nodular cast iron
    corrosion
    exposure immersion test
    NaCl solution
    żeliwo sferoidalne
    korozja
    roztwór NaCl
    właściwości mechaniczne
    właściwości zmęczeniowe
    Opis:
    Nodular cast irons are used in a wide range of industrial applications, especially in the automotive industry. SiMo-type of nodular cast iron is suitable for high-temperature applications, for example the exhaust manifolds of the combustion engines; SiCu-type of nodular cast iron is used in various components of tribotechnical units. These automotive components often work in a corrosive environment. Therefore, the aim of this paper is to compare the corrosion resistance of two types of the nodular cast irons (SiMo-type and SiCu-type). Corrosion resistance was determined by the exposure immersion test at ambient temperature. Specimens of both types of nodular cast iron were immersed in 3.5 % NaCl solution (to simulate sea water) and gradually removed from the solution after 1, 2, 4 and 8 weeks. Subsequently, the weight loss (g) and the average corrosion rate (g m-2 day-1) were calculated. Experimental results show that nodular cast iron alloyed by Si and Mo has higher corrosion resistance than the nodular cast iron alloyed with Si and Cu. Moreover, the mechanical properties (evaluated by tensile test, impact bending test and hardness test) and fatigue properties of both types of nodular cast iron has been compared in the paper.
    Źródło:
    System Safety : Human - Technical Facility - Environment; 2020, 2, 1; 191-198
    2657-5450
    Pojawia się w:
    System Safety : Human - Technical Facility - Environment
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
      Wyświetlanie 1-4 z 4

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