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2. Wood finishing - Wikipedia

   en.wikipedia.org/wiki/Wood_finishing

   Successful filling of voids in wood requires the filler to precisely match the colour and grain pattern of the wood around the void, which is difficult to achieve in practice. Furthermore, filled voids do not behave like wood during subsequent finishing steps, and they age differently to wood. Hence, repairs to wood using fillers may noticeable ...

3. Void (composites) - Wikipedia

   en.wikipedia.org/wiki/Void_(composites)

   Void content in composites is represented as a ratio, also called void ratio, where the volume of voids, solid material, and bulk volume are taken into account.Void ratio can be calculated by the formula below where e is the void ratio of the composite, V v is the volume of the voids, and V t is the volume of the bulk material.

4. Woodturning - Wikipedia

   en.wikipedia.org/wiki/Woodturning

   The skew is said to be the most difficult wood-turning tool to master but when used correctly, it delivers a superb finish which is hard to match by any other tool. parting tool – a pointed tool used to separate (part of) work from the lathe, and to create a straight edge separating large and small diameter sections – wide parting tools are ...

5. Segmented turning - Wikipedia

   en.wikipedia.org/wiki/Segmented_turning

   Segmented turning, also known as polychromatic turning, is a form of woodturning on a lathe where the initial workpiece is composed of multiple parts glued together. The process involves gluing several pieces of wood to create patterns and visual effects in turned projects.

6. Wood putty - Wikipedia

   en.wikipedia.org/wiki/Wood_putty

   Wood putty, also called plastic wood, is a substance used to fill imperfections, such as nail holes, in wood prior to finishing. It is often composed of wood dust combined with a binder that dries and a diluent (thinner), and, sometimes, pigment .

7. Fiber volume ratio - Wikipedia

   en.wikipedia.org/wiki/Fiber_volume_ratio

   Porosity or void fraction is a measure of the void (i.e., "empty") spaces in a material, and is a fraction of the volume of voids over the total volume, between 0 and 1, or as a percentage between 0 and 100%. There are many ways to determine if a composite part contains voids, such as industrial CT scanning or ultrasound. If the volume fraction ...

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9. Composite material - Wikipedia

   en.wikipedia.org/wiki/Composite_material

   Many advanced thermoset polymer matrix systems usually incorporate aramid fibre and carbon fibre in an epoxy resin matrix. [21] [22] Shape-memory polymer composites are high-performance composites, formulated using fibre or fabric reinforcements and shape-memory polymer resin as the matrix. Since a shape-memory polymer resin is used as the ...