نتایج جستجو برای: tetragonal zirconia
تعداد نتایج: 10150 فیلتر نتایج به سال:
From the liquid state to room temperature, two successive solid-state phase transitions occur in pure zirconia. It is well-known that last one (tetragonal monoclinic) martensitic and induces large volume variations shear strains. Elastic inelastic behaviors of zirconia-based materials are strongly influenced by this transition associated strain fields it induces. Knowledge stress at crystal sca...
BACKGROUND AND OBJECTIVE The popularity of ceramic restorations can be attributed to its life-like appearance, durability and biocompatibility and therefore ceramic restorations have been widely used for anterior and posterior teeth. Ceramic restorations have esthetic and biocompatible advantages but low fracture resistance. Since it has high flexural strength and fracture resistance, yttria-st...
The paper is concerned with (i) the hydrothermal synthesis of hydrous zirconium dioxide (HZD) bearing analcime (HZD-ANA, zirconia-analcime) and (ii) its sorption properties respect to Cs+ Sr2+. HZD-ANA particles were synthesized from coal fly ash cenospheres composed aluminosilicate glass (SiO2/Al2O3)wt.=3.1 characterized by PXRD, SEM-EDS, STA, low-temperature N2 adsorption. non-radioactive sim...
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