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Перегляд Відділення механіки за назвою

Репозиторій DSpace/Manakin

Перегляд Відділення механіки за назвою

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  • Fracture Process in ± θ Laminates Subjected to Mode II Loading 
    Ahmed Benyahia, A.; Laksimi, A.; Benmedakhene, S.; Gong, X. L. (Проблемы прочности, 2002)
    This work studies the behavior of a multidirectional laminate under Mode II loading. We describe the process of delamination in a reinforced composite of glass/epoxy. The stacking sequence (plies orientation [±θ]) was ...
  • Fracture resistance of ceramics: edge fracture method 
    Gogotsi, G.A.; Galenko, V.I.; Ozerskii, B.I.; Khristevich, T.A. (Проблемы прочности, 2005)
    Fracture resistance o f macrohomogeneous line ar elastic yttria, scandia, alumina, zirconia, and silicon nitride ceramics was studied upon flaking of the edges of rectangular specimens with the Rockwell indenter. The ...
  • Fracture Resistance of Residually-Stressed Ceramic Laminated Structures 
    Gogotsi, G.A.; Lugovoi, N.I.; Slyunyaev, V.N. (Проблемы прочности, 2004)
    We have studied the effect of residual stresses on fracture resistance and crack arrest behavior of asymmetric ceramic laminated Si3N4 /Si3N4 -TiN structures. Using a compliance method, we assessed is the technique of ...
  • Fracture Toughness and Crack Resistance of Steam Pipeline Steel in Initial and Used States 
    Zrilic, M.; Burzic, Z.; Cvijovic, Z. (Проблемы прочности, 2004)
    Premature fracture of steam pipelines from 14MoV6 3 steel designed for 1000,000 h service life at 540°C has been studied. Test specimens are manufactured from steel in the initial state and after 117 h of operation. ...
  • Fracture toughness of multilayer pipes 
    Nezbedova, E.; Fiedler, L.; Majer, Z.; Vlach, B.; Knesl, Z. (Проблемы прочности, 2008)
    Multilayer pipes composed of various materials improve partially the properties of a pipe system and are frequently used in service. To estimate the lifetime of these pipes the basic fracture parameters have to be measured. ...
  • Free Vibration of the Axially Loaded System of Two Beams Connected by Two-Directional Viscoelastic Interlayer 
    Cabanska-Placzkiewicz, K. (Проблемы прочности, 2000)
    In this paper the analytical method has been used for solving a problem of free vibration with clamping of the axially loaded sandwich beam. The sandwich beam consists of two external layers connected by viscoelastic ...
  • Free vibration of the system of two viscoelastic beams coupled by viscoelastic interlayer 
    Cabanska-Placzkiewicz, K. (1999)
    An analytical method of solution of the free vibration problem for composite system of two viscoelastic beams coupled by a viscoelastic interlayer has been proposed. The phenomenon of free vibration has been described using ...
  • Friction and Wear Behavior of Wear-Resistant Belts in Drill Joints for Deep and Ultra-Deep Wells 
    Zhang, K.; Wang, Z.Q.; Wang, D.G. (Проблемы прочности, 2018)
    The friction and wear of an new material for the drill joint were compared with those of traditional wear-resistant belt materials using an SD-1 test rig against a 42Mn2V steel counterface under deep and ultra-deep well ...
  • Friction and Wear of Aluminum Alloy Reinforced by Ti0₂ Particles 
    Sarajan, Z. (Проблемы прочности, 2013)
    Исследуемый композит получен путем добавления от 0,5 до 3,5 мас.% порошка TiO₂ в алюминиевый расплав по технологии так называемой обработки полузатвердевшего металла, используемой для получения алюминиевых сплавов. Литой ...
  • Generation and Validation of Crack Growth Resistance Curve from DCB Specimens: An Experimental Study 
    Alfred Franklin, V.; Christopher, T. (Проблемы прочности, 2013)
    This article examines fracture toughness and interlaminar failure load of double cantilever beam (DCB) specimens made of glass/epoxy of three different lay-ups. The present model requires the applied load–displacement ...
  • Geometric nonlinear vibration analysis for pretensioned rectangular orthotropic membrane 
    Liu, C.J.; Zheng, Z.L.; Yang, X.Y.; Guo, J.J. (Прикладная механика, 2018)
    The geometric nonlinear vibrations of pretensioned orthotropic membrane with four edges fixed, which is commonly applied in building membrane structure, are studied. The nonlinear partial differential governing equations ...
  • Grain boundary influence during short fatigue crack growth using a discrete dislocation technique 
    Hansson, P.; Melin, S. (Проблемы прочности, 2008)
    We have studied the effect of a grain boundary in front of a short edge crack on its propagation under cyclic loading conditions in bcc iron. The used model is a combination of a discrete dislocation formulation and a ...
  • High-Cycle Fatigue Properties and Damage Mechanism of Q345B Structural Steel 
    Hu, X.L.; Liu, Y.J.; Khan, M.K; Wang, Q.Y. (Проблемы прочности, 2017)
    The high-cycle fatigue behavior of Q345B structural steel was investigated experimentally. Highfrequency vibration fatigue testing machine and scanning electron microscopy were used to study the high-cycle fatigue S—N curve ...
  • Hot-cracking of high-alloyed steels evaluated by wedge rolling test 
    Schindler, I.; Suchanek, P.; Rusz, S.; Kubecka, P.; Sojka, J.; Heger, M.; Liska, M.; Hlisnikovsky, M. (Проблемы прочности, 2008)
    We present a new methodology of determination of hot-cracking f metallic materials, which is based on laboratory application of the wedge rolling test and computer processing of the results obtained. The experiment was ...
  • Hot Extrusion Effect on the Microstructure and Mechanical Properties of a Mg–Y–Nd–Zr Alloy 
    Sheng, L.Y.; Du, B.N.; Wang, B.J.; Xu, D.K.; Lai, C.; Gao, Y.; Xi, T.F. (Проблемы прочности, 2018)
    A Mg–Y–Nd–Zr alloy was prepared by casting and hot extrusion. The microstructure and mechanical properties of OM, SEM, XRD, TEM, and tensile tests were investigated with casting and hot extruded alloys. The results ...
  • Hot Upset Studies on Sintered (Al–TiO₂–Gr) Powder Metallurgy Hybrid Composite 
    Ravichandran, M.; Anandakrishnan, V. (Проблемы прочности, 2016)
    Алюминиевые гибридные композиты Al+5%TiO₂, Al+5%TiO₂+2%Gr и Al+5%TiO₂+4%Gr из измельченных на грануляторе порошков синтезированы методом порошковой металлургии. Исследования методами сканирующей электронной микроскопии и ...
  • Hydrodynamic testing of flexible profiles for a vertical axis turbine 
    Zeiner-Gundersen, D.H.; Zeiner-Gundersen, S.A.S. (Прикладна гідромеханіка, 2015)
    Hydrodynamic turbine functionality depends on the ability of the individual profiles to capture the water energy efficiently during rotation. Here, we describe a unique flexible profile design based on hydrodynamic thrust ...
  • Hydrodynamic theory for a flexible profile vertical axis turbine 
    Zeiner-Gundersen, D. (Прикладна гідромеханіка, 2014)
    A novel vertical axis turbine with flexible profiles was designed and previously tested on-site in a river channel. The turbine design was based on initial simplified mathematical analyses and model testing done to optimize ...
  • Hydrogen effect on local fracture emanating from notches in pipeline from steel API X52 
    Capelle, J.; Dmytrakh, I.; Pluvinage, G. (Проблемы прочности, 2009)
    Оцінено локальну міцність у концентраторах напружень трубопровідної сталі API X52 в умовах наводорожування при подачі катодного напруження. Уста­новлено залежність між концентрацією водню і критичним рівнем наванта­ження, ...
  • Hyperbolic equations in wavelet bases 
    Cattani, C.; Toscano, L. (2000)
    In this paper we discuss the problem of representing hyperbolic differential operators using orthonormal wavelet bases. A numerical algorithm is shortly outlined and a numerical experiment in the linear magnetohydrodynamics, ...

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