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  2. Wood finishing - Wikipedia

    en.wikipedia.org/wiki/Wood_finishing

    Gouges and holes in wood are more difficult to repair than dents because wood fibres have been cut, torn and removed from the wood. Larger gouges and splits are best repaired by patching the void with a piece of wood that matches the colour and grain orientation of the wood under repair. [7] Patching wood requires skill, but when done properly ...

  3. Wood preservation - Wikipedia

    en.wikipedia.org/wiki/Wood_preservation

    The PTI wood products are very well adapted for paint and stain applications with no bleed-through. The addition of the wax stabilizer allows a lower preservative retention plus substantially reduces the tendency of wood to warp and split as it dries. In combination with normal deck maintenance and sealer applications, the stabilizer helps ...

  4. Tetragonal polycrystalline zirconia - Wikipedia

    en.wikipedia.org/wiki/Tetragonal_polycrystalline...

    Yttria blends of approximately 3% are called either tetragonal polycrystalline zirconia or tetragonal zirconia polycrystal (forming the initialisms TZP or TPZ) and have the finest grain size. These grades exhibit the highest toughness at room temperature, because they are nearly 100% tetragonal, but this degrades severely between 200 and 500 ...

  5. Crystallite - Wikipedia

    en.wikipedia.org/wiki/Crystallite

    Polycrystalline materials, or polycrystals, are solids that are composed of many crystallites of varying size and orientation. Most materials are polycrystalline, made of a large number crystallites held together by thin layers of amorphous solid. Most inorganic solids are polycrystalline, including all common metals, many ceramics, rocks, and ice.

  6. Ceramic matrix composite - Wikipedia

    en.wikipedia.org/wiki/Ceramic_matrix_composite

    The reaction with oxygen forms SiO 2 and CO 2, whereby a surface layer of SiO 2 slows down subsequent oxidation (passive oxidation). Temperatures above about 1,600 °C (2,910 °F) and a low partial pressure of oxygen result in so-called active oxidation, in which CO, CO 2 and gaseous SiO are formed causing rapid loss of SiC. If the SiC matrix ...

  7. Sealant - Wikipedia

    en.wikipedia.org/wiki/Sealant

    Sealant is a substance used to block the passage of fluids through openings in materials, [1] a type of mechanical seal. In building construction sealant is sometimes synonymous with caulk (especially if acrylic latex or polyurethane based) [2] and also serve the purposes of blocking dust, sound and heat transmission. Sealants may be weak or ...

  8. Transparent wood composite - Wikipedia

    en.wikipedia.org/wiki/Transparent_wood_composite

    The wood's lignin is mostly responsible for the wood's distinctive color. Consequently, the amount of lignin determines the levels of visibility in the wood, around 80–95%. [14] To make wood a visible and transparent material, both absorption and scattering need to be reduced in its production.

  9. Wood glue - Wikipedia

    en.wikipedia.org/wiki/Wood_glue

    Wood glue is an adhesive used to tightly bond pieces of wood together. Many substances have been used as glues. Many substances have been used as glues. Traditionally animal proteins like casein from milk or collagen from animal hides and bones were boiled down to make early glues.

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