Abstract
A new approach for preparing of microcellular ceramic materials is the reproduction of wood morphologies by biotemplating, where the structural features of the native wood are maintained in the ceramic product. Biomorphic Al2O3-ceramics were manufactured via the sol-gel route by repeated infiltration of low viscous alumina sols into wood preforms and subsequently sintered in air at 1550°C. The microstructure and phase formation during processing were characterized by X-ray diffraction (XRD), scanning electron microscopy (SEM), density and porosimetry measurements. In contrast to conventional processed, highly-porous Al2O3-ceramics, the microstructure of the biomorphic Al2O3-ceramics is characterized by an uniaxial pore morphology with pore diameters in the micrometer range, depending on the initially used wood template.
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References
L.J. Gibson and M.F. Ashby, Cellular Solids: Structure and Properties (Pergamon Press, New York, 1998).
H.R. Maier, "Porous Ceramics functional cavities for system innovation," in Ceramic Materials and components for Engines edited by J.G. Heinrich and F. Aldinger (Wiley-VCH, 2001), pp. 537–542.
J. Saggio-Woyansky, C.E. Scott, and W.P. Minnear, "Processing of porous ceramics,"Am.Ceram. Soc. Bull. 71(11), 1674 (1992).
P. Colombo and J.R. Hellmann, "Ceramic foams from preceramic polymers," Mat. Res. Innovat. 6, 260 (2002).
O.Lyckfeldt and J.M.F. Ferreira, "Processing of porous ceramics by starch consolidation," J. Eur. Ceram. Soc. 18, 131 (1998).
L.M. Sheppard, "Porous ceramics: Processing and application," Ceram. Trans. 31, 3 (1993).
S. Skirl, R. Krause, S.M.Wiederhorn, and J. Rödel, "Processing and mechanical properties of Al2O3/Ni3Al composites with interpenetrating network microstructure," J. Am. Ceram. Soc. 84, 2034 (2001).
C. Couroyer, Z. Ning, M. Ghadiri, N. Brunard, F. Kolenda, D. Bortzmeyer, and P. Laval, "Breakage of macroporous alumina beads under compressive loading: Simulation and experimental validation," Powder Tech. 105, 57 (1999). 9._H.X. Peng, Z. Fan, J.R.G. Evans, and J.J.C. Busfield, "Microstructure of ceramic foams," J. Eur. Ceram. Soc. 20, 807 (2000).
P. Sepulveda and J.G.P. Binner, "Processing of cellular ceramics by foaming and in situ polymerisation of organic monomers," J. Eur. Ceram. Soc. 19, 2059 (1999).
J. Zeschky, M. Scheffler, P. Colombo, and P. Greil, "Cellular oxide ceramics from filler loaded silicone resins," Ceram. Eng. Sci. Proc. 23(4), 285 (2002).
Y.S. Han, J.B. Li, and Y.J. Chen, "Fabrication of bimodal porous alumina ceramics," Mat. Res. Bull. 38, 373 (2003).
G.J. Zhang, J.F. Yang, and T. Ohji, "Fabrication of porous ceramics with unidirectionally aligned continuous pores," J. Am. Ceram. Soc. 84(6), 1395 (2001).
X.J. Ding, J.Z. Zhang, R.D. Wang, and C.D. Feng, "Formation of porous alumina with oriented pores," J. Europ. Ceram. Soc. 22, 411 (2002).
K. Weber and G. Tomandl, "Porous Al2O3-ceramics with uniform capillaries, ceramic forum international," cfi/Ber. DKG 75/8, 22 (1998).
H. Sieber, C. Hoffmann, A. Kaindl, and P. Greil, "Biomorphic cellular ceramics," Adv. Eng. Mater. 2(3), 105 (2000).
E. Vogli, J. Mukerji, C. Hoffmann, R. Kladny, H. Sieber, and P. Greil, "Conversion of oak to cellular silicon carbide ceramic by gas-phase reaction with silicon monoxide," J. Am. Ceram. Soc. 84, 1236 (2001).
H. Sieber, E. Vogli, F.Müller, P. Greil, N. Popovska, H. Gerhard, and G. Emig, "CVI-R gas phase processing of porous, biomorphic SiC ceramics," Key Eng. Mater. 206-213, 2013 (2002).
E. Vogli, H. Sieber, and P. Greil, "Biomorphic SiC-ceramic prepared by Si-gas phase infiltration of wood," J. Eur. Ceram. Soc. 22, 2663 (2002).
T. Ota, M. Takahashi et al., "Biomimetic process for producing SiC wood," J. Am. Ceram. Soc. 78(12), 3409 (1995).
M. Patel and B.K. Padhi, "Production of alumina fibers through jute substrate," J. Mater. Sci. 25, 1335 (1990).
M. Patel and B.K. Padhi, "Production of titania fibers through jute fibre substrate," J. Mater. Sci. Lett. 12, 1234 (1993).
T. Ulyanova, L. Titova, and N. Krut'ko, "Polycomponent aluminum oxide-based fibers," in High Temperature Ceramic Matrix Composites, edited by W. Krenkel, R. Naslain, and H. Schneider (DGM/Wiley-VCH, Weinheim/Germany, 2001), p. 22.
T. Ota, M. Imaeda, H. Takase, M. Kobayashi, N. Kinoshita, T. Hirashita, H. Miyazaki, and Y. Hikichi, "Porous titania ceramic prepared by mimicking silicified wood," J. Am. Ceram. Soc. 83(6), 1521 (2000).
H. Sieber, J. Cao, C.R. Rambo, and P. Greil, "Manufacturing of porous oxide ceramics from bioorganic preforms," in Ceramic Engineering and Science Proceedings 23(4), edited by H.-T. Lin and M. Singh, (The American Ceramic Society, 2002), p. 175.
H. Sieber, C. Rambo, J. Cao, E. Vogli, and P. Greil, "Manufacturing of porous oxide ceramics by replication of wood morphologies," Key Eng. Mater. 206-213, 2009 (2002).
J. Cao, C.R. Rambo, H. Sieber, and P. Greil, "Biotemplating of porous oxide ceramics," in Proc. Materials Week 2001, Munich/ Germany, www.materialsweek.org/proceedings.
C.R. Rambo, J. Cao, and H. Sieber, "Preparation and properties of highly porous, biomorphic YSZ-ceramics," Mat. Chem. Phys. (2004), in print.
N.W. Uhl and J. Dransfield, General Palmarum, a Classi-fication of Palms Based on the Work of H.E. Moore Jr. Bailei (Hortorium and International Palm Society, Kansas, 1987).
C.J. Brinker and G. Scherer, Sol-Gel Science: The Physics and Chemistry of Sol-Gel Processing (Academic Press, San Diego, 1990).
Q. Yang and T. Troczynski, "Dispersion of alumina and silicon carbide powders in alumina sol," J. Am. Ceram. Soc. 82(7), 1928 (1999).
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Cao, J., Rambo, C. & Sieber, H. Preparation of Porous Al2O3-Ceramics by Biotemplating of Wood. Journal of Porous Materials 11, 163–172 (2004). https://doi.org/10.1023/B:JOPO.0000038012.58705.c9
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DOI: https://doi.org/10.1023/B:JOPO.0000038012.58705.c9