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Перегляд Відділення фізико-технічних проблем матеріалознавства за автором "Makara, V.A."

Репозиторій DSpace/Manakin

Перегляд Відділення фізико-технічних проблем матеріалознавства за автором "Makara, V.A."

Сортувати за: Порядок: Результатів:

  • A theoretical model for calculation of biphase composite failure energy 
    Popov, A.Yu.; Kazo, I.F.; Makara, V.A. (Functional Materials, 2005)
    А conjunction of two approaches to the estimation of composite material strength characteristics is reported. The first approach is based on taking into account the influence of crack front bending between two stoppers ...
  • Calculation of fracture toughness for a biphase ceramic material 
    Popov, O.Yu.; Kazo, I.F.; Makara, V.A. (Functional Materials, 2006)
    А model for biphase ceramic material fracture toughness prognosis is proposed based on the estimation of influence of second phase mechanical properties and grain size and taking into account the possibility of rounding ...
  • Effect of a weak constant magnetic field on the silicon single crystal structure 
    Makara, V.A.; Kalinichenko, D.V. (Functional Materials, 2011)
  • Effect of magnetic field on microhardness of germanium 
    Makara, V.A.; Steblenko, L.P.; Kuryliuk, A.M.; Naumenko, S.M.; Kolchenko, Iu.L.; Kravchenko, V.M. (Functional Materials, 2007)
    Microhardness variations in germanium crystals caused by a weak constant magnetic field have been studied. It is fount that the magnetomechanical effect, that is relative change in microhardness, becomes relaxed in time. ...
  • Modification of sintered iron properties by Y₂O₃ nanoparticles 
    Cherednyk, M.I.; Popov, O.Yu.; Chornobuk, S.V.; Totsky, I.M.; Semenko, M.P.; Boshko, O.I.; Tkachuk, V.Ja.; Slobodianyk, Y.V.; Naumenko, S.M.; Makara, V.A. (Functional Materials, 2016)
    Influence of Y₂O₃ nanoparticles on sintered iron structure and microhardness is investigated. Ferrite grain growth is shown to be slowed down by the clusters which cause altering the grain shape from needle-like to equiaxial ...
  • Post-anodic formation of luminescent porous silicon layers in atmospheric environment 
    Makara, V.A.; Vakulenko, O.V.; Shevchenko, V.B.; Dacenko, O.I. (Functional Materials, 2005)
    The changes occuring in HF pre-etched porous silicon (PS) samples during aging are studied by measurement of photoluminescence (PL) and IR transmission spectra. The PL behavior of the etched sample is found to depend on ...
  • Relation between structure inhomogeneities and relaxation processes in excited silicon crystals 
    Makara, V.A.; Kolomiets, A.M.; Kolchenko, Yu.L.; Naumenko, S.M.; Rudenko, O.V.; Steblenko, L.P. (Functional Materials, 2004)
    The part played by electric current pulses in formation of residual electroplastic effect and the "electric memory" effect in dislocation-containing silicon crystals has been investigated. The character of the observed ...
  • Silicon crystal strength reduction due to magnetoresonance 
    Makara, V.A.; Pogorilyi, A.M.; Steblenko, L.P.; Kuryliuk, A.M.; Naumenko, S.M.; Kobzar, Yu.L.; Kravets, A.F.; Podyalovsky, D.I.; Matveeva, O.V. (Functional Materials, 2007)
    The magnetoresonance influence as well as the micrawave superhigh-frequency (SHF) magnetic field effect on the microhardness of silicon crystals has been studied. It is established that the action of SHF field results in ...
  • The relaxation of magnetomechanical effect in silicon crystals under cyclic magnetic treatment 
    Makara, V.A.; Steblenko, L.P.; Kuryliuk, A.M.; Kobzar, Iu.L.; Naumenko, S.M.; Krit, A.M.; Kravchenko, V.M. (Functional Materials, 2009)
    The experimental magnetic treatment conditions of silicon crystals in a weak (B = 0.17 T) magnetic field which provide a long-term stability of magnetomechanical effect (MME) have been investigated. It is established that ...

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