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GRAIN SWELLING [3 records]

Filter results by subject field Alphabetical list of terms

Filter results by subject field

Alphabetical list of terms

Record 1 2001-10-31

English

Subject field(s)
  • Plywood
  • Wood Products
DEF

A wood or wood base construction involving similar or different materials, some or all hygroscopic in nature, so arranged that the forces induced by uniformly distributed changes in moisture content will not cause distortion.

CONT

The tendency of crossbanded products to warp, as the result of uneven shrinking and swelling caused by moisture changes, is largely eliminated by balanced construction. Balanced construction involves plies arranged in similar pairs, a ply on each side of the core. Similar plies have the same thickness, kind of wood with particular reference to shrinkage and density, moisture content at the time of gluing, and grain direction.

French

Domaine(s)
  • Contreplaqués
  • Produits du bois
CONT

Contreplaqué de construction équilibrée : Contreplaqué dont chaque paire de plis symétriques par rapport au pli central (ou à l'âme) est de même épaisseur, et de mêmes propriétés, et disposée dans le même sens du fil.

Spanish

Campo(s) temático(s)
  • Madera contrachapada
  • Productos madereros
Save record 1

Record 2 1998-08-17

English

Subject field(s)
  • Plywood
DEF

To bond a layer of veneer with its grain [perpendicular to] the grain of the wood or veneer adjacent to it, in order to minimize swelling and shrinkage.

Key term(s)
  • crossband

French

Domaine(s)
  • Contreplaqués
DEF

Lier par collage un placage à un autre en orientant perpendiculairement leurs fils afin de réduire gonflements et dilatations.

Key term(s)
  • poser un pli transversal

Spanish

Save record 2

Record 3 1991-01-30

English

Subject field(s)
  • Construction Materials
  • Construction Finishing
  • Paints and Varnishes (Industries)
CONT

Moisture can influence the behavior of the wood substrate so that deterioration of the paint film is increased. Springwood and summerwood are of different densities and porosities, and moisture enters springwood more readily and to a greater extent than it enters summerwood. This difference gives rise to a differential swelling, called "grain raising" or "grain swelling", that puts undue localized mechanical strains on coatings that are applied to the wood.

French

Domaine(s)
  • Matériaux de construction
  • Finitions (Construction)
  • Peintures et vernis (Industries)

Spanish

Save record 3

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