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Wood, as a material, offers several unique advantages: widespread availability, natural renewability, favorable ecological assessment, and flexibility of implementation. Moreover, the polymeric components of wood, together with its porous structure, confer upon it a faculty for transformation exceeding that of other materials.One of the emerging eco-friendly treatment methods is the combined use of temperature, moisture and mechanical action – the so-called thermo-hydro-mechanical (THM) and thermo-hydro (TH) treatments. THM processing is implemented to improve the intrinsic properties of wood, to produce new kinds of materials, and to acquire a form and functionality desired by engi- neers without changing the eco-friendly nature of the material. In this book, the authors bring together the key elements of the chemical degradation of wood constituents under TH and THM processing; a description of the behavior of wood under these conditions; as well as a selection of the principal technologies that can be considered TH/THM treatments.

Content

  • Preface
  • Wood modification
  • Ancient uses of thermo-hydro-mechanical processes
  • The structure and composition of wood
  • Elasto-viscoplasticity of Wood
  • Influence of the thm processing parameters on the mechanical and chemical degradation of wood
  • Wood densification and fixation of the compression-set by thm treatment
  • Wood welding
  • Surface densification
  • Heat treatment
  • Wood bending
  • Reconstituted Wood
  • Index

Details

Publisher: EPFL Press English Imprint

Author(s): Parviz Navi, Dick Sandberg

Collection: Materials

Published: 21 february 2012

Edition: 1st edition

Media: Book

Pages count Book: 376

Format (in mm) Book: 160 x 240

Weight (in grammes): 740 (Book)

Language(s): English

EAN13 Book: 9782940222411

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