top porous biomorphic silicon carbide ceramics

Conversion of biomorphic silicon carbide from wood …

2016/10/19· The synthesis of biomorphic silicon carbide (SiC) requires two crucial processes, which are pyrolysis and silicon infiltration. In this study, the processing and characterization of silicon carbide ceramics from natural wood powders precursor was investigated by using two types of Asian wood powders, which are Kapur and Dark Red Meranti.

Low Density Biomorphic Silicon Carbide: …

Silicon carbide porosity can be adjusted, achieving a good porosity-mechanical strength relationship according to the appliion. [1][2] [3] [4][5][6][7] Porous silicon carbide ceramics have been

Permeability and mechanical integrity of porous …

2016/10/5· Biomorphic silicon carbide (bioSiC) is a SiC-based material fabried by this low-cost and environmentally friendly process , , . In this case, the method consists of a reactive infiltration of molten silicon by capillarity into a carbon preform made by high-temperature pyrolysis of a porous precursor [21] .

Porous biomorphic silicon carbide ceramics coated with …

Porous biomorphic silicon carbide ceramics coated with hydroxyapatite as prospective materials for bone implants Author links open overlay panel Oleksandr Gryshkov a Nickolai I. Klyui b c Volodymyr P. Temchenko c Vitalii S. Kyselov c Anamika Chatterjee a Alexander E. Belyaev c Lothar Lauterboeck a Dmytro Iarmolenko c Birgit Glasmacher a

The synergistic effect of VEGF and biomorphic silicon carbides …

Biomorphic silicon carbide ceramics (bioSiCs) have been proposed as good candidates for clinical use as bone implants [15, 16]. Their ability for loading and releasing antibiotics with suitable release profile has been assessed [17, 18]. Antibiotic loaded

Temperature dependences of Young’s modulus of …

2003/3/1· Temperature dependences of the Young’s modulus E of wood-derived biomorphic SiC ceramics fabried through pyrolysis of eucalyptus and oak with subsequent silicon infiltration were studied using electrostatic resonance excitation of longitudinal vibrations.

The synergistic effect of VEGF and biomorphic silicon …

The aim of this research is to establish the influence of biomorphic silicon carbide ceramics (bioSiCs) surface topography on the proliferation and osteoblastic differentiation of mesenchymal stem cells and the potential synergistic effect of the ceramic porous

The synergistic effect of VEGF and biomorphic silicon …

The aim of this research is to establish the influence of biomorphic silicon carbide ceramics (bioSiCs) surface topography on the proliferation and osteoblastic differentiation of mesenchymal stem cells and the potential synergistic effect of the ceramic porous

Polymers | Free Full-Text | Preparation of Biomorphic …

This study investigated the feasibility of using baoo to prepare biomorphic porous silicon carbide (bio-SiC) ceramics through a coination of sol–gel impregnation and carbothermal reduction. The effects of sintering temperature, sintering duration, and sol–gel impregnation cycles on the crystalline phases and microstructure of bio-SiC were investigated.

Research Article Suitability of Biomorphic Silicon Carbide Ceramics …

Suitability of Biomorphic Silicon Carbide Ceramics as Drug Delivery Systems against Bacterial Biofilms P.Díaz-Rodríguez, 1 A.Pérez-Estévez, 2 R.Seoane, 2 P.González, 3 J.Serra, 3 andM.Landin 1 Departamento de Farmacia y Tecnolog ´ a Farmac eutica

(PDF) Preparation of biomorphic SiC ceramics | Adela …

In the present work, we demonstrated the possibility of producing porous SiC ceramics with a biomorphic microstructure by carbothermal reduction of premineralized Tilia wood with silica. 2. Experimental procedure Rectangular specimens (10x5x5mm) of Tilia wood were dried at 343K for 2 days. Carbon preforms were prepared by carbonizing the dried

Research Article Suitability of Biomorphic Silicon Carbide Ceramics …

Suitability of Biomorphic Silicon Carbide Ceramics as Drug Delivery Systems against Bacterial Biofilms P.Díaz-Rodríguez, 1 A.Pérez-Estévez, 2 R.Seoane, 2 P.González, 3 J.Serra, 3 andM.Landin 1 Departamento de Farmacia y Tecnolog ´ a Farmac eutica

Production of porous silicon carbide ceramics by starch consolidation technique

Production of porous silicon carbide ceramics by starch consolidation technique Mesquita, R.M. a ; Bressiani, A.H.A b Instituto de Pesquisas Energéticas e Nucleares (IPEN), Avenida Professor

CVI-R Gas Phase Processing of Porous, Biomorphic SiC …

Biomorphic Ceramics, Biotemplating, CVI-R Processing, Pine Wood, Porous Ceramics, Silicon Carbide (SiC) Export: RIS, BibTeX Price: Permissions: Request Permissions Share: References Cited by Citation Added To Cart

Temperature dependences of Young’s modulus of …

2003/3/1· Temperature dependences of the Young’s modulus E of wood-derived biomorphic SiC ceramics fabried through pyrolysis of eucalyptus and oak with subsequent silicon infiltration were studied using electrostatic resonance excitation of longitudinal vibrations.

The synergistic effect of VEGF and biomorphic silicon …

The aim of this research is to establish the influence of biomorphic silicon carbide ceramics (bioSiCs) surface topography on the proliferation and osteoblastic differentiation of mesenchymal stem cells and the potential synergistic effect of the ceramic porous

Preparation of biomorphic SiC | SpringerLink

2013/8/28· A carbon template has been silicided with gaseous SiO at 1350°C in vacuum using a mixture of silicon and silicon dioxide powders as a SiO source and pyrolyzed birch wood as a carbon template. The results demonstrate the feasibility of producing biomorphic SiC whose microstructure replies the structure of the carbon template. The material thus obtained has a porosity of about 80% and an

High-temperature thermal conductivity of biomorphic …

Thermal conductivity of biomorphic SiC/Si, a silicon carbide + silicon containing two phase material, was evaluated using the laser steady-state heat flux method. These materials were processed via silicon melt infiltration of wood-derived carbon scaffolds. In this approach, heat flux was measured through the thickness when one side of the specimen was heated with a 10.6-µm CO2 laser. A thin

Preparation of Biomorphic Porous SiC Ceramics from Baoo …

Abstract: This study investigated the feasibility of using baoo to prepare biomorphic porous silicon carbide (bio-SiC) ceramics through a coination of sol–gel impregnation and carbothermal

Sliding wear resistance of porous biomorphic sic ceramics …

2016/9/1· Biomorphic silicon carbide (bioSiC) is a template-based SiC ceramic material fabried by Si melt infiltration of a porous carbon preform obtained from wood or wood-based precursors through high temperature pyrolysis , , , , , , , .

Bifunctional biomorphic SiC ceramics eedded molten …

g–l SEM images of porous biomorphic SiC ceramics (axial sections). After molten silicon reactions and removal of the excess Si by sintering at 1,800 °C, biomorphic ceramic can be obtained. Their morphologies are given in Fig. 2 g–l, which have an excellent agreement with …

PRECURSOR SELECTION FOR PROPERTY OPTIMIZATION IN BIOMORPHIC SiC CERAMICS

ceramics, as in biological materials like bones, shells, and wood. Several efforts have resulted in artificial microstructures that resele that of natural materials (continuous-fiber reinforced ceramics [4], porous ceramics [5], fibrous ceramics monoliths [6

Temperature dependences of Young’s modulus of …

2003/3/1· Read "Temperature dependences of Young’s modulus of biomorphic silicon carbide ceramics, Physics of the Solid State" on DeepDyve, the largest online rental service for scholarly research with thousands of academic publiions available at your fingertips.

Polymers | Free Full-Text | Preparation of Biomorphic …

This study investigated the feasibility of using baoo to prepare biomorphic porous silicon carbide (bio-SiC) ceramics through a coination of sol–gel impregnation and carbothermal reduction. The effects of sintering temperature, sintering duration, and sol–gel impregnation cycles on the crystalline phases and microstructure of bio-SiC were investigated.

Homogenized elasticity solvers for biomorphic …

Biomorphic microcellular silicon carbide ceramics from wood with anisotropic porous microstructures pseudomorphous to wood have been produced in the last few years. The mathematical microstructural model related to the inelastic behavior of the new composite materials is formulated.

Production of porous silicon carbide ceramics by starch consolidation technique

Production of porous silicon carbide ceramics by starch consolidation technique Mesquita, R.M. a ; Bressiani, A.H.A b Instituto de Pesquisas Energéticas e Nucleares (IPEN), Avenida Professor

[PDF] Processing of carbide-derived carbon (CDC) using …

Abstract Biomorphic porous TiC and TiC/TiO 2 ceramics were covered with highly porous carbon, so-called carbide-derived carbon (CDC), by selective etching of Ti from TiC with chlorine containing gas in a temperature range 400–1000 °C. The etching rate of TiC is strongly affected by the chlorine concentration, but only slightly by the reaction temperature. No correlation was found between

Structural Optimization of Biomorphic Microcellular …

2001/12/20· A new class of structural materials, biomorphic microcellular silicon carbide ceramics from wood, was recently technically produced. It could be of particular interest for appliions in acoustic and heat insulation structures.