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Перегляд Відділення механіки за назвою

Репозиторій DSpace/Manakin

Перегляд Відділення механіки за назвою

Сортувати за: Порядок: Результатів:

  • Local approach to fracture based prediction of reactor pressure vessel lifetime 
    Kotrechko, S.A.; Meshkov, Yu.Ya. (Проблемы прочности, 2009)
    New version of the local approach to fracture is presented. Within the framework of this approach a new methodology is developed, which supposes prediction of radiation life time of a reactor pressure vessel not by ultimate ...
  • Localization of plastic deformation and fracture in aluminum polycrystals 
    Zarikovskaya, N.V.; Zuev, L.B. (Проблемы прочности, 2008)
    The effect of the grain size as a basic structural parameter on plastic strain macrolocalization has been studied for polycrystalline aluminum. The mathematical form of the above dependence has been verified. The limiting ...
  • Localization of Resonant Spherical Waves 
    Galiev, Sh.U.; Panova, O.P. (Проблемы прочности, 2002)
    This paper treats radial spherical resonant waves excited in the transresonant regime. An approximate general solution of a perturbedwave equation is presented here, which takes into account nonlinear, spatial, and ...
  • Locally Imperfect Conical Shells under Uniform External Pressure 
    Ghanbari Ghazijahani, T.; Showkati, H. (Проблемы прочности, 2013)
    Во многих конструкциях используются конические оболочки с различного рода геометрическими несовершенствами. Однако известно очень мало работ, посвященных исследованию влияния геометрических несовершенств на критическое ...
  • Long-Term Aging Effect on the Crack Growth in the of Main Circulating Pump Casing Material 
    Xue, F.; Yu, W.; Yu, M.; Liu, W.; Shu, G. (Проблемы прочности, 2015)
    Fatigue crack growth (FCG) tests on the main circulating pump casing material were conducted at room temperature to investigate the effect of long-term aging at 400°C. It was found that the FCG rate increased with aging ...
  • Low-cycle fatigue and cracking resistance of power plant boiler pipes and steam lines of 12Kh1MF steel 
    Zelenskii, V.G.; Fedoseenko, A.V.; Sarkisyan, V.A. (Проблемы прочности, 1985)
  • Low-cycle fatigue calculation of gas turbine engine disks under flight cycle conditions 
    Karimbaev, K.D.; Servetnik, A.N. (Проблемы прочности, 2009)
    We address the effects of the actual flight cycle for gas turbine engine disks, which is influenced by low-cycle fatigue. An approach is proposed which improves reliability of life cycle prediction owing to schematization ...
  • Mathematical modeling of local corrosion element in pipelines with galvanic couple operating in soil conditions 
    Stepova, O.V.; Parashchiyenko, I.M. (Геотехнічна механіка, 2016)
    Solution of the problem of modeling electrochemical corrosion in the pipeline sector with cracked insulating coating under the effect of electrolytic medium aggressive towards the pipeline metal is presented in this paper. ...
  • Mathematical modeling of the gasdynamic charcteristics of the heat-transfer medium jet in a process of the thermal reaming of the borehole 
    Voloshyn, O.I.; Potapchuk, I.Yu.; Zhevzhyk, O.V.; Yemelianenko, V.I.; Teplyi, V.P.; Kholyavchenko, L.T.; Shniakin, S.V. (Геотехнічна механіка, 2017)
    Purpose of the work is to develop a mathematical model for calculation of gasdynamic characteristics (pressure, density, speed) of the heat-transfer medium at its movement along the surface of the borehole in the process ...
  • Mathematical model of sucrose solution nucleate boiling 
    Eliseev, V.I.; Lutsenko, V.I. (Геотехнічна механіка, 2014)
    A problem of nucleate boiling of an aqueous solution of sucrose moving in a vertical cylindrical channel is considered. The problem is based on the one-dimensional steady-state equations of heat and mass motion and ...
  • Measured Hardness by an Indenter Having Ellipsoidal Shape 
    Boudilmi, A.; Loucif, K. (Проблемы прочности, 2016)
    Если при исследовании твердости в качестве индентора использовалось твердое тело эллипсоидальной формы, выражение для статической твердости рассматривалось как функция от глубины и радиусов отпечатка индентора. При этом ...
  • Mechanical and Aging Properties of Polypropylene and Styrene-Butadiene-Styrene Composites under Outdoor and Indoor Conditions 
    Yimit, M.; Ni, L.; Du, Y.; Bkan, R. (Проблемы прочности, 2018)
    Polypropylene (PP) and styrene-butadiene-styrene (SBS) blends with different mass fractions were prepared in a molten state using a twin-screw extruder. The effect of SBS content on the microstructure and properties of ...
  • Mechanical Behavior and Failure of Riveting Joints in Tensile and Shear Tests 
    Mucha, J.; Witkowski, W. (Проблемы прочности, 2015)
    Основным критерием прочности заклепочных соединений при их разработке является сопротивление материала заклепок сдвиговому нагружению. При испытании на сдвиг обычных заклепочных соединений определяющими являются механические ...
  • Mechanical behavior and optimization of multidirectional laminate specimens under delamination by bending 
    Ahmed Benyahia, A.; Laksimi, A.; Ouali, N.; Azari, Z. (Проблемы прочности, 2006)
    Delamination in the multidirectional laminates under bending loading is often difficult to characterize because of problems involved by excessive deformations ahead of the crack tip and by non-linearities due to large ...
  • Mechanical Behavior of the Weld Joints of Thick Steel Plates Produced by Various Welding Processes 
    Bang, HanSur; Bang, HeeSeon; Ro, ChanSeung; Jeong, SuOk (Проблемы прочности, 2015)
    The effect of a welding process (electrogas welding (EGW) and flux cored arc welding (FCAW)) on the fracture toughness, CTOD (crack tip opening displacement), and mechanical properties (tensile, bending, impact strengths ...
  • Mechanical Behavior of TiN/TiC-n Multilayer Coatings and Ti(C,N) Multicomponent Coatings Produced by PACVD 
    Azadi, M.; Rouhaghdam, A.S.; Ahangarani, S. (Проблемы прочности, 2016)
    Изучены механические свойства многослойных и многокомпонентных покрытий. Многослойное нитрид-титановое/карбид-титановое (TiN/TiC-n) и многокомпонентное Ti(C,N) покрытия наносили на поверхность горячеобработанной инструментальной ...
  • Mechanical behavior of Zr-based bulk metallic glasses 
    Nowak, S.; Ochin, P.; Pasko, A.; Guerin, S.; Champion, Y. (Проблемы прочности, 2008)
    Bulk metallic glasses have a very high corrosion resistance and mechanical strength. Bulk metallic glasses show elastic-perfectly plastic behavior with an extended region of elastic strain (≈ 2%). But at room temperature ...
  • Mechanical properties and fracture behavior of high-strength steels 
    Musalek, R.; Hausild, P.; Siegl, J.; Bensch, J.; Slama, J. (Проблемы прочности, 2008)
    Typical thicknesses ofhigh-strength steels (HSS) sheets used in the car industry are inapplicablefor standardized testingprocedures. The aim ofthis study is topropose an appropriate methodologyfor testing and comparing of ...
  • Mechanical Properties and Machinability of Glass Fiber-Reinforced Polyetheretherketone 
    Ji, S.J.; Yu, H.J.; Zhao, J.; Liang, F.S. (Проблемы прочности, 2015)
    Polyetheretherketone (PEEK) is a new type of special engineering plastic that has broad market potentials due to its particular microstructure and mechanical properties. However, few data can be found in the literatures ...
  • Mechanical Properties of A356 Matrix Composites Reinforced with Nano-SiC Particles 
    Mazahery, A.; Shahani, M.O. (Проблемы прочности, 2012)
    Metal matrix composites form one group of the new engineered materials in which a strong ceramic reinforcement is incorporated into a metal matrix to improve its properties including specific strength, specific stiffness, ...

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