Porous bioactive glass microspheres prepared by flame synthesis process
Figure 1: Morphology of the as prepared porous 45S5 BG micro-sphere particles.
Four-component relativistic time-dependent density-functional theory using a stable noncollinear DFT ansatz applicable to both closed- and open-shell systems.
Bioactive silicon nitride by surface thermal treatment
Fig. 1. Microstructures of the prepared Si3N4-based substrates with SiO2 (A), SiO2 and CaO (B), and Ca3(PO4)2 (C) as sintering additives.
Fig. 2. Structures of substrate surfaces after oxy-acetylene flame treatment for 60 s (T = 1475°C ± 25°C; O2:C2H2 ratio 1:1.1). |
Fig. 3. Cross-sections of the substrates after flame treatment. |
Fig. 3. Growth of the MRC5 cells on Si3N4-based substrates (SNSi, SNSiCa and SNCaP) for a period of one week and analyzed by polarization microscope. |
Micro scale fracture strength of grains and grain boundaries in polycrystalline La-doped ß-Si3N4 ceramics
Fig 1: Schematic of a microcantilever with the corresponding geometrical parameters, indicating the location of fracture (x1) and loading point (x2) and the real cantilever cut from the sample |
Fig. 2 Fracture strength of cantilevers with different La2O3 content |
Fig. 3 Fracture strength of cantilevers with different La2O3 content, experimental and calculated data |
Wire electrical discharge machinable SiC with GNPs and GO as the electrically conducting filler
Fig. 1: Electrical conductivity and thermal diffusivity of SiC-GNP and SiC-GO composites measured in direction parallel and perpendicular to graphene layers.