cores
After a five yers quest to design the most efficient ski core possible, the Bcomp engineers have invented a material which has the same performance as wood cores at up to 5 times lower weight, and which can be processed using the same manufacturing techniques as any other core material.
In addition of being relatively heavy, wood has the drawback that its fibre orientation is difficult to tailor with regards to the stresses the material is exposed to, and standard structural foams generally reach their limitations in large deformation applications, where shear stresses reach values beyond their shear strength. With the Bcomp core technology (pat. pend.), we have developed a core material with significantly higher mechanical properties when compared to standard structural foams, increasing the shear properties by a factor 5-10, the compression properties by 2-3, at a density 3-5 times lower than woods currently used in the ski industry. Bcomp offers different core models.
Bcomp cores outperform woods and standard structural foams when compared on a basis of specific shear strength properties.
On top of their outstanding mechanical properties, the Bcomp shear webs double the core-face adhesion: While the low density of our flax fibre composite layers lead to relatively thick shear webs for a given weight, they form a fibrous edge when cut or milled. The combination of these two effects guarantees a large and very strong interface, resulting in an efficient stress transfer from the faces into the core and vice-versa.
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