Determination of optimum borate concentration for alleviating strength loss during heat treatment of wood

Wood Science and Technology

Volumn 42, Issue 1, 2008, Pages 39-45

  Awoyemi, L ^a  

^a UNIVERSITY OF ADO EKITI   (Nigeria)

Author keywords

[No Author keywords available]

Indexed keywords

BORATE MINERALS; ELASTIC MODULI; HEAT TREATMENT; THERMAL EFFECTS;

ALKALI BUFFER SOLUTION; STRENGTH LOSS;

WOOD;

BORATES; HEAT TREATMENT; WOOD;

EID: 37249076572     PISSN: 00437719     EISSN: None     Source Type: Journal    
DOI: 10.1007/s00226-007-0139-4     Document Type: Article

References (22)

1. Awoyemi L, Westermark U (2005) Effects of borate impregnation on the response of wood strength to heat treatment. Wood Sci Technol 39:484-491
2. Bhuiyan MTR, Hirai N, Sobue N (2000) Changes of crystallinity in wood cellulose by heat treatment under dried and moist conditions. J Wood Sci 46:431-436
3. Dwianto W, Morooka T, Norimoto M (1998) The compressive stress relaxation of albizia (Paraserienthes falcate Becker) wood during heat treatment. Mokuzzai Gakkaishi 44:403-409
4. Geissen A, Du QP (1995) Influence of heat treatment on the accuracy of wood moisture content determination by electrical resistance-type meters. Holz Roh-Werkst 53:303-307
5. Hanger J, Huber H, Lackner R, Wimmer R, Fellner J (2002) Improving the natural durability of heat-treated spruce, pine and beech. Holzforsch Holzverwert 54:92-93
6. Hodgin DA, Lee AWC (2002) Comparison of strength properties and failure characteristics between fire-retardant-treated and untreated roofing lumber after long-term exposure: a South Carolina case study. For Prod J 52:91-94
7. Kamdem DP, Pizzi A, Triboulot MC (2000) Heat-treated timber: potentially toxic byproducts presence and extent of wood cell wall degradation. Holz Roh-Werkst 58:253-257
8. Kamdem DP, Pizzi A, Jermannaud A (2002) Durability of heat-treated wood. Holz Roh-Werkst 60:1-6
9. Kubojima Y, Okano T, Ohta M (2000) Bending strength and toughness of heat-treated wood. J Wood Sci 46:8-15
10. Manninen AM, Pasanen P, Holopainen JK (2002) Comparing the VOC emissions between air-dried and heat-treated Scots pine wood. Atmos Environ 36:1763-1768
11. Maruyama S, Ishiguri F, Andoh M, Abe Z, Yokota S, Takahashi K, Yoshizawa N (2001) Reddening by UV irradiation after smoke-heating in sugi (Cryptomeria japonica D. Don) black heartwood. Holzforschung 55:347-354
12. Nogi M, Yamamoto H, Okuyama T (2003) Relaxation mechanism of residual stress inside logs by heat treatment: chosing the heating time and temperature. J Wood Sci 49:22-28
13. Obataya E, Tanaka F, Norimoto M, Tomita B (2000) Hygroscopicity of heat-treated wood. I. Effects of after-treatments on the hygroscopicity of heat-treated wood. Mokuzai Gakkaishi 46:77-87
14. Obataya E, Tomita B (2002) Hygroscopicity of heat-treated wood. II. Reversible and irreversible reductions in the hygroscopicity of wood due to heating. Mokuzai Gakkaishi 48:288-295
15. Rapp AO, Sailer M (2001) Oil-heat-treatment of wood-process and properties. Drvna Industrija 52:63-70
16. Sailer M, Rapp AO, Leithoff H, Peek RD (2000) Upgrading of wood by application of an oil-heat treatment. Holz Roh-Werkst 58:15-22
17. Santos JA (2000) Mechanical behaviour of eucalyptus wood modified by heat. Wood Sci Technol 34(1):39-43
18. Tejada A, Okuyama T, Yamamoto H, Yoshida M (1997) Reduction of growth stresses in log by direct heat treatment: assessment of a commercial scale operation. For Prod J 47:86-93
19. Tejada A, Okuyama T, Yamamoto H, Yoshida M, Imai T, Itoh T (1998) Studies on the softening point of wood powder as a basis for understanding the release of residual stresses in logs. For Prod J 48:84-90
20. Tjeerdsma BF, Boonstra M, Pizzi A, Tekely P, Militz H (1998) Characterization of thermally modified wood: molecular reasons for wood performance improvement. Holz Roh-Werkst 56:149-153
21. Udaka E, Furuno T (2003) Change in crystalline structure of compressed wood by treatment with a closed heating system. Mokuzai Gakkaishi 49:1-6
22. Winandy JE (1997) Effects of fire retardant retention, borate buffers, and redrying temperature after treatment on thermal-induced degradation. For Prod J 47:79-86