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H.S.A. Stevens
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Welded Wood
Assessing Hot Pressure Welding as a Viable Alternative to Synthetic Adhesives in Engineered Wood Products
The increasing use of timber in architecture has intensified concerns regarding the reliance on synthetic adhesives, particularly in relation to environmental impact and indoor air quality. This thesis explores whether hot-pressure welding can be a viable alternative for synthetic adhesives in Engineered Wood Products. An exploratory experimental approach was used to identify key manufacturing parameters and evaluate the performance of welded wood, validated by the development of a proof-of-concept and a minimum viable product. The results indicate although limited bonding can be achieved under specific conditions, hot-pressure welded wood is not yet a viable alternative to synthetic adhesives in Engineered Wood Products. The technique is limited to thin veneers, has a low moisture resistance and lacks mechanical validation. These findings are relevant for both researchers and practitioners in sustainable construction, as it establishes a third wood welding technique, with its respective limitations. Future research should focus on understanding bonding mechanisms, conducting mechanical and durability testing, optimising processing conditions, and assessing scalability and environmental performance.
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The increasing use of timber in architecture has intensified concerns regarding the reliance on synthetic adhesives, particularly in relation to environmental impact and indoor air quality. This thesis explores whether hot-pressure welding can be a viable alternative for synthetic adhesives in Engineered Wood Products. An exploratory experimental approach was used to identify key manufacturing parameters and evaluate the performance of welded wood, validated by the development of a proof-of-concept and a minimum viable product. The results indicate although limited bonding can be achieved under specific conditions, hot-pressure welded wood is not yet a viable alternative to synthetic adhesives in Engineered Wood Products. The technique is limited to thin veneers, has a low moisture resistance and lacks mechanical validation. These findings are relevant for both researchers and practitioners in sustainable construction, as it establishes a third wood welding technique, with its respective limitations. Future research should focus on understanding bonding mechanisms, conducting mechanical and durability testing, optimising processing conditions, and assessing scalability and environmental performance.