Abstract
In the present study 50 year old urea formaldehyde bonds of a glider structure were tested. Based on the tensile shear strength of lap joint specimens it was concluded that bonds with solid wood as adherent are rated as not reliable any more.


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BVS Heft2 (1950) Bauvorschriften für Segelflugzeuge, Baustoffe. Bundesministerium für Verkehr und verstaatlichte Betriebe – Amt für Zivilluftfahrt Heft 2
Custodio J, Broughton J, Cruz H (2009) A review of factors influencing the durability of structural bonded timber joints. Int J Adhes Adhes 29(2):173–185
Egner K, Kolb H (1966) Investigations on aging of glues for supporting structural wooden elements. Holz Roh- Werkst 24(10):439
EN 302-1 (2004) Klebstoffe für tragende Holzbauteile – Prüfverfahren, Teil 1: Bestimmung der Längszugscherfestigkeit
Frihart CR (2009) Adhesive groups and how they relate to the durability of bonded wood. J Adhes Sci Technol 23(4):601–617
Kinloch AJ (1983) Durability of structural adhesives, 1st edn. Applied Science Publishers Ltd, London
Konnerth J, Gindl W, Harm M, Müller U (2006) Comparing dry bond strength of spruce and beech wood glued with different adhesives by means of scarf- and lap joint testing method. Holz Roh- Werkst 64(4):269–271
Müller U, Teischinger A, Müller H (2004) Durability of wood adhesives in 50 year old aircraft and glider constructions. Wood Res 49(3):25–34
Plath E (1951) Die Holzverleimung. Wissenschaftliche Verlagsgesellschaft mbH, Stuttgart
Raknes E (1997) Durability of structural wood adhesives after 30 years ageing. Holz Roh- Werkst 55(2):83–90
River BH, Ebewele RO, Myers GE (1994) Failure mechanisms in wood joints bonded with urea-formaldehyde adhesives. Holz Roh- Werkst 52(3):179–184
Wangaard FF (1956) Durability of water-resistant woodworking glues (revised). Report no 1530, Forest Products Laboratory
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Konnerth, J., Müller, U., Gindl, W. et al. Reliability of wood adhesive bonds in a 50 year old glider construction. Eur. J. Wood Prod. 70, 381–384 (2012). https://doi.org/10.1007/s00107-011-0536-0
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DOI: https://doi.org/10.1007/s00107-011-0536-0


