Our oak lexicon
Discover the fascinating world of oak! In our Oak Lexicon, we explain everything about the most well-known native wood species – from terminology to processing. This way, you'll learn to understand oak wood better and use it more effectively.
The content of our Oak Lexicon offers you:
- Terminology related to oak: Important terms from the timber industry and oak processing – clearly defined and easy to understand.
Properties and types of oak wood:
Learn everything about different oak species, their origin, differences, characteristics, and fields of application.
Processing and use:
Whether in furniture making, façade wood, or traditional techniques – our lexicon shows you how oak wood is professionally processed and utilized.
Images and tables:
Illustrative images and structured overviews help you better understand the content.
| Term | Definition |
|---|---|
| Bending strength | What is bending strength?Bending strength, also known as flexural strength, describes the ability of wood to resist bending stress without breaking. Bending strength is an important measure for the load-bearing capacity and stiffness of wooden components and is expressed in newtons per square millimeter (N/mm²).
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| Bog oak | Definition of Bog OakBog oak refers to subfossil oak wood (Quercus spp.) that has been preserved over centuries or millennia in bogs or swampy areas. During this time, the wood undergoes chemical transformations, primarily caused by the reaction of tannins in the wood with iron compounds from the bog water. The result is a unique material characterized by a dark coloration, increased density, and enhanced hardness. Bog oak is not a separate type of wood but rather a condition of oak wood preserved under specific environmental conditions. It is highly valued in art, craftsmanship, and research due to its rarity and distinctive aesthetics. |
| Brinell-hardness | What is Brinell Hardness?Brinell hardness is a standardized method for measuring the hardness of materials such as metals, plastics, and wood. It indicates how resistant the material is to mechanical indentations and is commonly used in the metal industry and material testing. During the measurement, a steel ball with a specified diameter and constant force is pressed into the material. The resulting indentation is measured and used to calculate the hardness value, known as the Brinell hardness number (HBW), which is given in N/mm². |
| Butt-cut lumber | What is Butt-cut lumber?Butt-cut lumber, or original log (equivalent to "whole log"), is a type of wood that retains its natural edge or bark (unsurfaced) after being sawn lengthwise from a tree trunk. This process preserves the original thickness and structure of the wood, even after storage, drying, and further processing.
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