Dielectric properties of defects on wood surfaces

Holz als Roh - und Werkstoff

Volumn 56, Issue 1, 1998, Pages 24-30

  Forrer, J B ^a   Funck, J W ^a  

^a OREGON STATE UNIVERSITY   (United States)

Author keywords

[No Author keywords available]

Indexed keywords

EID: 0542404152     PISSN: 00183768     EISSN: None     Source Type: Trade Journal    
DOI: 10.1007/s001070050259     Document Type: Article

References (33)

1. American Society for Testing and Materials (1986) Standard test for A-C loss characteristics and dielectric constant (permittivity) of solid electrical insulating materials. ASTM D 150-74. Philadelphia, PA.
2. American Society for Testing and Materials (1987) Standard definitions of terms relating to wood. ASTM D 9-87. Philadelphia, PA.
3. Beldi F, Balint J, Szabo J, Ruzsa B (1968) Die dielektrischen Eigenschaften verschiedener Eichenholzarten. Holz Roh- Werkstoff 26: 89-95.
4. Divos F, Szegedi S, Raics P (1996) Local densitometry of wood by gamma back-scattering. Holz Roh- Werkstoff 54: 279-281.
5. Forrer JB (1996) Dielectric properties of defects on wood surfaces. Unpublished PhD dissertation. Oregon State University, Corvallis.
6. Hojendal K (1946) Measurements of dielectric constant and dielectric loss of different wood species. Investigation of the dependency on direction, water contents frequency and temperature. Pages 1-32 in Royal Vet. and Agric. College Copenhagen Yearbook.
7. Ichijo B (1953) On the new method of measuring dielectric constant and loss angles of semiconductors. J. Appl. Phys. 24(3): 307-311.
8. James WL (1975) Dielectric properties of wood and hardboard: Variation with frequency, moisture content, and grain orientation. USDA For. Ser. Res. Pap. FPL-245. Madison, WI.
9. James WL (1981) Influence of electrode design on measurements of dielectric properties of wood. Wood Sci. 13(4): 185-298.
10. James WL (1983) Dielectric properties of lumber loads in a dry kiln. USDA For. Serv. Res. Pap. FPL-436. Madison, WI.
11. James WL (1986) The interaction of electrode design and moisture gradients in dielectric measurements on wood. Wood Fiber Sci. 18(2): 264-275.
12. James WL, Boone RS (1982) Capacitive in-kiln wood moisture content monitors: Principles of operation and use. Wood Sci. 14(4): 146-164.
13. Nanassy AJ (1964) Electrical polarization measurements on yellow birch. Canadian J. Phys. 42(6): 1270-1281.
14. Nanassy AJ (1970) Overlapping of dielectric relaxation spectra in oven-dry yellow birch at temperatures from 20 to 100 degrees C. Wood Sci. Technol. 4: 104-121.
15. Nanassy AJ (1972) Dielectric measurement of moist wood in a sealed system. Wood Sci. Technol. 6: 67-77.
16. Norimoto M (1976) Dielectric properties of wood. Wood Res. (Kyoto) 59/60: 106-152.
17. Norimoto M, Hayashi S, Yamada T (1978) Anisotropy of dielectric constant in coniferous wood. Holzforschung 32(5): 167-172.
18. Norimoto M, Yamada T (1969) The dielectric properties of wood II. Temperature dependence of dielectric properties of wood in absolutely dried condition. Wood Res. (Kyoto) 46: 1-9.
19. Norimoto M, Yamada T (1970a) The dielectric properties of wood III. The relationship between dielectric loss factor and specific gravity of wood. J. Japan. Wood Res. Soc. 16(8): 364-369.
20. Norimoto M, Yamada T (1970b) The dielectric properties of wood IV. On dielectric dispersions of oven-dried wood. Wood Res. (Kyoto) 50: 36-49.
21. Norimoto M, Yamada T (1971) The dielectric properties of wood V. On the dielectric anisotropy of wood. Wood Res. (Kyoto) 51: 12-32.
22. Peterson RW (1960) The dielectric properties of wood. F.P.L. Technical Note No. 16. F.P.L. Canada.
23. Poliszko S, Hoffmann G (1985) Dielectric behavior of wood-polystyrene composite. J. Appl. Polymer Sci. 30: 799-804.
24. Rice RW, Steele PH, Kumar L (1992) Detecting knots and voids in lumber with dielectric sensors. Industrial Metrology 2(3/4): 309-315.
25. Skaar C (1948) The dielectric properties of wood at several radio frequencies. Tech. Publ. N.Y. College For. No.69. Syracuse, NY.
26. Sugimori M, Sadoh T (1988) Distinguishing knot area by image analysis. J. Japan Wood Res. Soc. 34(6): 473-478.
27. Tanaka T, Norimoto M, Yamada T (1975) Dielectric properties and structure of wood I. J. Japan Wood Res. Soc. 21(3): 129-134.
28. Torgovnikov GI (1990) Dielektrische Eigenschaften von absolut trockenem Holz und Holzstoff. Holztechnologie. 30(1): 9-11.
29. Torgovnikov GI (1993) Dielectric properties of wood and wood-based materials. Springer Series in Wood Science. Ed.: T.E. Timell. Springer-Verlag, Berlin.
30. Trapp von W, Pungs L (1956) Bestimmung der dielektrischen Werte von Cellulose, Glukose und der Zellsubstanz von Naturholz im Grossen Frequenzbereich. Holzforschung 10(3): 65-68.
31. Tsutsumi J (1967) Studies on dielectric behavior of wood. Effects of frequency, moisture content and temperature on dielectric constant dielectric loss factor. Bull, No. 41, Kyushu University Forests. Japan.
32. Tsutsumi J, Watanabe H (1966) Studies on dielectric behavior of wood II: Effect of moisture content on dielectric constant and dielectric loss factor, J. Japan Wood Res. Soc. 12(3): 115-118.
33. Uyemura T (1960) Dielectric properties of woods as the indicator of the moisture. Bull, of the Gov. For. Exp. Sta. No.119. Meguro, Tokyo, Japan, pp. 95-166.