A Note on the Thermally Induced Changes of Intervessel Pits in Black Cherry (Prunus serotina EHRH.)
Keywords:Chars, rate carbonization, intervessel pitting, coalescing, pit measurements, SEM
AbstractDimensions of intervessel pits decrease as charring temperatures increase to 600 C; above 600 C pit apertures remain relatively constant. Reported increases in density of chars above 600 C are attributed to coalescing of the cell wall or changes in intercellular interstices shrinkage.
Beall, F. C., P. R. Blankenhorn, and G. R. Moore. 1974. Carbonized wood-Physical properties and use as an SEM preparation. Wood Sci. 6(3):212-219.nBlankenhorn, P. R., G. M. Jenkins, and D. E. Kline, 1972. Dynamic mechanical properties and microstructure of some carbonized hardwoods. Wood Fiber 4(3):212-224.nBlankenhorn, P. R., D. P. Barnes, D. E. Kline, and W. K. Murphey. 1978. Porosity and pore size distrubution of black cherry carbonized in an inert atmosphere. Wood Sci. 11(1):23-29.nGoos, A. W. 1952. The thermal decomposition of wood. Chap. 20, Vol. II in L. E. Wise and E. C. Jahn, eds. Wood chemistry. Reinhold Publishing Corp., New York, NY.nKnight, J. A., M. D. Bowen, and K. R. Purdy. 1976. Pyrolysis—A method for conversion of forestry wastes to useful fuels. Conference Energy and Wood Products Industry, Forest Products Research Society. Madison, Wisconsin.nKnudson, R. M., and R. B. Williamson, 1971. Influence of temperature and time upon pyrolysis of untreated and fire retardant treated wood. Wood Sci. Technol. 5(1971):176-189.nMcGinnes, E. A., Jr., S. A. Kandeel, and P. S. Szopa. 1971. Some structural changes observed in the transformation of wood into charcoal Wood Fiber 3(2):77-83.nMcGinnes, E. A., Jr., P. S. Szopa, and J. E. Phelps. 1974. Use of scanning electron microscopy in studies of wood charcoal formation. Scanning electron microscopy/1974 (Part II). Proceeding of the Workshop on Scanning Electron Microscopy and the Plant Sciences. IIT Research Institute.nMcGinnes, E. A., Jr., C. A. Harlow, F. C. Beall. 1976. Use of scanning electron microscopy and image processing in wood charcoal studies. Scanning electron microscopy/1976. Proceedings of the Workshop on Plant Science Applications of the SEM. IIT Research Institute.nMoore, G. R., P. R. Blankenhorn, F. C. Beall, and D. E. Kline. 1974. Some physical properties of birch carbonized in a nitrogen atmosphere. Wood Fiber 6(3):193-199.nShafizadeh, F. 1968. Pyrolysis and combustion of cellulosis materials. Adv. Carbohydr. Chem. Biochem. 23:419.nSlocum, D. H., E. A. McGinnes, Jr., and F. C. Beall. 1978. Charcoal yield, shrinkage and density changes during carbonization of oak and hickory woods. Wood Sci. 11(1):42-47.nSoltes, E. J., and T. J. Elder. 1978. Thermal degradation routes to chemicals from wood. 8th World Forestry Congress, Jakarta, Indonesia 1978.nSteel, Robert G. D., and James H. Torrie. 1960. Principles and procedures of statistics with special reference to the biological sciences. McGraw Hill. New York.nWenzl, Hermann F. J. 1970. The chemical technology of wood. Academic Press. New York and London.n
The copyright of an article published in Wood and Fiber Science is transferred to the Society of Wood Science and Technology (for U. S. Government employees: to the extent transferable), effective if and when the article is accepted for publication. This transfer grants the Society of Wood Science and Technology permission to republish all or any part of the article in any form, e.g., reprints for sale, microfiche, proceedings, etc. However, the authors reserve the following as set forth in the Copyright Law:
1. All proprietary rights other than copyright, such as patent rights.
2. The right to grant or refuse permission to third parties to republish all or part of the article or translations thereof. In the case of whole articles, such third parties must obtain Society of Wood Science and Technology written permission as well. However, the Society may grant rights with respect to Journal issues as a whole.
3. The right to use all or part of this article in future works of their own, such as lectures, press releases, reviews, text books, or reprint books.