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Перегляд Відділення механіки за назвою

Репозиторій DSpace/Manakin

Перегляд Відділення механіки за назвою

Сортувати за: Порядок: Результатів:

  • Failure Analysis of a Heavy Duty Gas Turbine Blad 
    Asadikouhanjan, i S.; Torfeh, M.; Ghorbanf, R. (Проблемы прочности, 2014)
    This paper reports the failure analysis of a blade in a heavy duty land-base gas turbine. The power plant is located near the coastal area and also in vicinity of deserts of Iran, as a consequence, the airborne pollutants ...
  • Failure of organic glass after alternating long-term and cyclic loading 
    Arutyunyan, R.A.; Doktorenko, L.I.; Drozdov, V.V.; Chebanov, V.M. (Проблемы прочности, 1985)
  • Failure of Zr50 Ti16.5 Cu15 Ni18.5 amorphous metallic ribbon 
    Miskuf, J.; Csach, K.; Jurikova, A.; Ocelik, V.; Bengus, V.; Tabachnikova, E. (Проблемы прочности, 2008)
    The deformation and fracture behavior of Zr50Ti165Cu15Ni185 bulk amorphous metal in the form of a thin ribbon have been determined in tensile test at room temperature. The fracture is localized in a major shear band and ...
  • Fatigue analysis of structures during random loadings 
    Zarka, J.; Karaouni, H. (Надійність і довговічність машин і споруд, 2009)
    We have developed and described a special approach for long life fatigue analysis of welded structures under random multi-axial loadings, which has a real physical meaning and which is very easy to perform. The principal ...
  • Fatigue Assessment of Ti–6Al–4V Circular Notched Specimens Produced by Selective Laser Melting 
    Razavi, S.M.J.; Ferro, P.; Berto, F. (Проблемы прочности, 2017)
    This work is aimed to assess the fatigue strength of Ti–6Al–4V smooth and circular notched samples produced by selective laser melting (SLM). Scanning electron microscopy have been used to investigate the fracture surface ...
  • Fatigue behavior of dissimilar friction stir welds between cast and wrought aluminum alloys 
    Uematsu, Y.; Tozaki, Y.; Tokaji, K.; Nakamura, M. (Проблемы прочности, 2008)
    Cast aluminum alloy, AC4CH-T6, and wrought aluminum alloy, A6061-T6, werejoined by means of friction stir welding (FSW) technique. The effect of microstructure and post heat treatment on fatigue behavior of the dissimilar ...
  • Fatigue Damage Analysis of an Asphalt Mixture Based on Pseudostiffness 
    Wang, X.R.; Yin, B.Y.; Luo W.B. (Проблемы прочности, 2018)
    The fatigue damage characteristics of an asphalt mixture were analyzed, a new fatigue damage model was constructed based on the Schapery pseudovariable theory and continuum damage mechanics. According to the Schapery theory ...
  • Fatigue Fracture Analysis of Composite Plates with an Elliptical Hole 
    Kielbasa, B.; Balon, P.; Swiatoniowski, A.; Szostak, J. (Проблемы прочности, 2017)
    In this study, the analysis of fatigue fracture of composite plates with an elliptical hole having a longer axis parallel to the direction of the applied force is performed. The plates were made of glass/epoxy preimpregnate ...
  • Fatigue life of welded joints according to energy criteria in the critical plane 
    Lagoda, T. (Проблемы прочности, 2006)
    We have determined theoretical notch coefficients with use of the fictitious radius in tubetube and flange-tube welds. The parameter of normal and shear strain energy density in critical planes is applied for estimation ...
  • Fatigue Life Prediction of Welded Box Structures 
    Zedira, H.; Gilgert, J.; Boumaza, A.; Jodin, P.; Azari, Z.; Pluvinage, G. (Проблемы прочности, 2004)
    The objective of this study is to predict fatigue life of metal welded boxes. Experimental results of fatigue life are satisfactory predicted using an analytical scheme based on the volumetric approach.
  • Fatigue lifetime of ADI from ultimate tensile strength to permanent fatigue limit 
    Zapletal, J.; Vechet, S.; Kohout, J.; Obrtlik, K. (Проблемы прочности, 2008)
    S — N curve of austempered ductile iron was obtained in the range of lifetime including low cycle fatigue domain and high cycle fatigue domain up to 108 cycles. Ultimate tensile strength is used as a limiting value of the ...
  • Fatigue Limits of Steels and Stress Gradient 
    Troshchenko, V.T.; Khamaza, L.A. (Проблемы прочности, 2011)
    На основании обобщения результатов многочисленных экспериментальных исследований предложены и обоснованы эмпирические соотношения между пределами выносливости сталей и градиентом напряжений, в которых учитывается накопление ...
  • Fatigue of NPP Components and Piping under Service Conditions 
    Filatov, V.M. (Проблемы прочности, 2004)
    Empirical equations are proposed for description of fatigue curves (up to 10ˆ12 cycles) of steels employed in NPP equipment and pipelines. Parameters of the obtained equations allow one to take into account the loading ...
  • Fatigue Strength and Life Prediction of a MAR-M247 Nickel-Base Superalloy Gas Turbine Blade with Multiple Carbide Inclusions 
    Lin, H.; Geng, H.P.; Zhang, Y.Y.; Li, H.; Liu, X.Y.; Zhou, X.F.; Yu, L. (Проблемы прочности, 2019)
    Casting of a gas turbine blade from MAR-M247 nickel-base superalloy is followed by multiple carbide precipitates as a result of solidification. The microstructure of carbide was established with scanning electron microscopy ...
  • FEM Analysis and Experimental Study on the Bending Strength of Ceramic Tiles with the Top- and Back-Sided Polyurea Coating 
    Kamonchaivanich, K.; Kuboyama, K.; Ougizawa, T. (Проблемы прочности, 2018)
    Mechanical properties enhancement of ceramic tiles by a simple coating technique using polyurea was investigated. Solventless polyurea coatings were employed. The effect of coating sides of the ceramic substrate and film ...
  • FEM Analysis of Clinching Tool Load in a Joint of Dual-Phase Steels 
    Kaščák, L.; Spišák, E.; Kubik, R.; Mucha, J. (Проблемы прочности, 2016)
    The clinching tool with a die of 5 mm diameter with a specially formed gap and a punch of 3.6 mm diameter were used for mechanical joining of dual-phase steel sheets DP600 with the pressing force of 30 kN. The punch and ...
  • FEM Analysis of Stress Distribution in the Hermetic Harmonic Drive Flexspline 
    Pacana, J.; Witkowski, W.; Mucha, J. (Проблемы прочности, 2017)
    The paper deals with the numerical stress calculation in the flexspline tooth rim of the harmonic drive. Due to the complex geometry of the toothed ring in the flexspline, the teeth were modeled as a ring, which height ...
  • FEM-Based Thermal Analysis of Underground Power Cables Located in Backfills Made of Different Materials 
    Ocùoñ, P.; Taler, D.; Cisek, P.; Pilarczyk, M. (Проблемы прочности, 2015)
    Выполнен предварительный расчет температурного поля в подземных высоковольтных линиях электропередач, которые планируется использовать в электростанции мощностью 600 МВт. Исследуется система из трех силовых кабелей, ...
  • FEM Simulation of the Cross-Wedge Rolling Process for a Stepped Shaft 
    Pater, Z.; Tomczak, J.; Bulzak, T. (Проблемы прочности, 2017)
    The paper presents the results of numerical modeling of a cross-wedge rolling process for producing a stepped shaft. The modeling was performed with commercial software Forge NxT 1.1 using the finite element method. The ...
  • Fiber Laser Welding of Dual-Phase and Bake-Hardened Steels 
    Švec, P.; Schrek, A.; Csicsó, T. (Проблемы прочности, 2016)
    Microstructural changes and microhardness profiles of laser-welded dual-phase DP600 and bakehardened 220BH steels were evaluated. The joints of these steels were butted with different welding parameters. They exhibited the ...

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