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2. 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.

3. 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 ...

4. Out of autoclave composite manufacturing - Wikipedia

   en.wikipedia.org/wiki/Out_of_autoclave_composite...

   The process can use thermosetting, thermoplastic prepregs (pre-impregnated composite fibers), and wet resin with dry fiber to produce superior composite parts. This out of autoclave process can achieve aerospace grade void contents of less than 2%, with extremely fast cycle times, and at significantly lower pressures and lower labor costs than ...

5. Impregnation resin - Wikipedia

   en.wikipedia.org/wiki/Impregnation_resin

   Impregnation resins were designed to be used in the forest products industry to modify wood and enhance its natural properties. Wood impregnation resins typically are designed to end up inside wood cell walls, where they generally increase strength, hardness, dimensional stability, and resistance to decay. [2]

6. Wood glue - Wikipedia

   en.wikipedia.org/wiki/Wood_glue

   Use of epoxy requires careful attention to the mixing ratio of the two parts. It bonds to most cured wood glues (except PVA). [ 25 ] Two-part epoxy adhesive is very resistant to salt water, most epoxy is heat resistant up to 177 °C (351 °F), the formulations containing powdered metal and rubber or plasticizers are very tough and shock resistant.

7. Woodturning - Wikipedia

   en.wikipedia.org/wiki/Woodturning

   Voids in the wood require higher lathe speeds, fillers, or extra safety precautions. Although other woodworkers value tight, straight grain, woodturners often search out the unusual wood from roots, defects, or diseased portions of trees. The craft of woodturning is preserved and advanced by a community of practitioners.

8. Cyanoacrylate - Wikipedia

   en.wikipedia.org/wiki/Cyanoacrylate

   Cyanoacrylate glue is also used in combination with sawdust (from a saw or sanding) to fill voids and cracks. These repair methods are used on piano soundboards, wood instruments, and wood furniture. Cyanoacrylate glue is also used in the finishing of pen blanks (wooden blanks for turning pens) that have been turned on a lathe by applying ...

9. Multi-material injection molding - Wikipedia

   en.wikipedia.org/wiki/Multi-material_injection...

   Multi-material injection molding (MMM) is the process of molding two or more different materials into one plastic part at one time. [1] As is the case in traditional injection molding, multi material injection molding uses materials that are at or near their melting point so that the semi-liquidous material can fill voids and cavities within a pre-machined mold, thus taking on the desired ...