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Check development on jack pine logs in Eastern Canada
2001 - IRG/WP 01-10387
Logs in storage are subject to check damage. The severity of the problem may vary with various environmental and storage conditions. In this study, an investigation was conducted on the development of checks in debarked and bark-on jack pine (Pinus banksiana) logs in Eastern Canada. In the summer of 1999, jack pine trees were felled, logs were debarked and stored in a sawmill yard. The logs were i...
Dian-Qing Yang, R Beauregard

Evaluation of surface cracks on wood – physical assessment versus subjective sensation
2017 - IRG/WP 17-20617
In the presented studies from the University of Goettingen (Study I) and the University of Hannover (Study II), the assessment of cracks with different methods and their acceptance in general as well as depending on different target groups are investigated. The aim was to determine which factors are relevant for a crack evaluation and which visual impression of a wooden surface is tolerable for co...
A Gellerich, C Brischke, L Emmerich, L Meyer-Veltrup, P Kaudewitz

Weathering protection of European hardwoods through double modification
2017 - IRG/WP 17-30715
Beech and poplar were thermally modified, treated with melamine resin and both treatments were combined. The weathering performance (cracks and general appearance) of modified beech and poplar was assessed in natural weathering and correlated to material properties such as work in bending (WB) and Brinell hardness. In addition, the equilibrium moisture content after exposure of 12 months and subse...
G Behr, A Gellerich, S Bollmus, H Militz