Browsing Articole ştiinţifice by Author "ELISA, M."

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  • Fracture toughness and hardness at micro- and nanoindentation of phosphate glasses depending on their composition 
    POPA, M.; SHIKIMAKA, O.; GRABCO, D.; SAVA, B. A.; BOROICA, L.; ELISA, M.; PYRTSAC, C.; BARBOS, Z.; BELEI, I. (Institutul de Fizică Aplicată al AŞM, 2016)
    Two groups of glasses of a basic aluminophosphate (Al2O3–P2O5–Li2O–BaO–La2O3) composition (APG) doped with Dy2O3, Tb2O3 and Fe2O3, and borophosphate (B2O3–P2O5–Li2O–Al2O3–ZnO) composition (BPG) codoped with Dy2O3–Tb2O3, ...
  • Loading rate dependent relaxation under indentation of borophosphate glass 
    SHIKIMAKA, O.; PYRTSAC, C.; BARBOS, Z.; SAVA, B. A.; BOROICA, L.; ELISA, M. (Institutul de Fizică Aplicată al AŞM, 2018)
    The plasticity of glasses under compressive and shear stresses is governed by 2 main mechanisms: densification and shear flow. The relative contribution of each of these mechanisms depends on the glass structure and its ...
  • Micro- and macro-mechanical properties of aluminophosphate glasses depending on their compozition and loading conditions 
    SHIKIMAKA, O.; GRABCO, D.; SAVA, B. A.; ELISA, M.; BOROICA, L.; HAREA, E.; PYRTSAC, C.; PRISACARU, A.; SPOIALA, D. (Institutul de Fizică Aplicată al AŞM, 2014)
    In this study the deformation peculiarities of aluminophosphate glasses (Li2O-Al2O3-BaO-La2O3-P2O5) doped with Dy, Tb and Fe were investigated at concentated load action (indentation) and uniaxial compression. Dynamic ...
  • Prolonged holding and cyclic loading indentation of aluminophosphate glass: kinetics of deformation 
    BELEI, I.; SHIKIMAKA, O.; GRABCO, D.; SAVA, B. A.; BOROICA, L.; ELISA, M.; PYRTSAC, C.; PRISACARU, A.; POPA, M. (Institutul de Fizică Aplicată al AŞM, 2016)
    The time-dependent mechanical behavior of aluminophosphate glasses (APG) (Li2O–Al2O3–BaO–La2O3–P2O5–RE2O3, RE = Dy, Tb) subjected to dynamic indentation under prolonged holding and cyclic loading conditions in combination ...
  • Regularities of the formation of the microstructure of phosphate glasses doped with rare-earth elements 
    GRABCO, D.; SHIKIMAKA, O.; ELISA, M.; SAVA, B.; BOROICA, L.; HAREA, E.; PYRTSAC, C.; PRISACARU, A.; DANITSA, Z. (Institutul de Inginerie Electronică şi Nanotehnologii "D. Ghiţu", AŞM, 2014)
    Intensive research into the various types of glassy materials (GMs) is being conducted due to their widespread application in many areas of modern engineering. However, despite the progress made in understanding the internal ...
  • Surface morphology and strength behaviour of vitreous films doped by neodymium 
    GRABCO, D.; SHIKIMAKA, O.; ELISA, M.; SAVA, B.; BOROICA, L.; HAREA, E.; PYRTSAC, C.; PRISACARU, A.; DANITSA, Z.; FERARU, I.; URSU, D. (Institutul de Fizică Aplicată al AŞM, 2012)
    The SiO2-P2O5 films demonstrated quite good adhesive behavior. At the same time less cohesion strength ’film-substrate’ was revealed for the composite structure SiO2-P2O5-Nd2O3/SLG. A further research will be directed at ...

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