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Spalting is divided into three main types: pigmentation, white rot, and zone lines.Spalted wood may exhibit one or all of these types in varying degrees. Both hardwoods and softwoods can spalt, but zone lines and white rot are more commonly found on hardwoods due to enzymatic differences in white rotting fungi.
Wood stabilization is a subset of wood preservation processes specifically used by woodworking enthusiasts to alter the material properties of specific wood species for applications within their craft or trade. Examples of wood items which are commonly stabilized include knife handles, pistol grips, straight razors, game calls and jewelry.
The acetylation of wood was first done in Germany in 1928 by Fuchs. In 1946, Tarkow, Stamm and Erickson first described the use of wood acetylation to stabilize wood from swelling in water. Since the 1940s, many laboratories around the world have looked at acetylation of many different types of woods and agricultural resources.
The same applies to spalted wood whose attractive appearance is again caused by fungi. On the other hand some fungal stains and those caused by the reaction of iron with wood can disfigure wood. [24] These stains can be removed from wood using bleach.
Thermally modified wood is engineered wood that has been modified by a controlled pyrolysis process of wood being heated to (> 180 °C) in an oxygen free atmosphere. This process changes to the chemical structures of wood's cell wall components lignin , cellulose and hemicellulose which decreases its hygroscopy and thus increases dimensional ...
Consolidation can also refer to the treatment of painted wood surfaces. Because of the complicated nature of wood as a material, consolidation of paint on a wooden artifact must be carefully undertaken. As wood expands and contracts with fluctuations in temperature and humidity, damages can occur to paint on the wood's surface.