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Super Hard Materials

Monocrystal Diamond (Monocrystal)

Since the first quarter of the twentieth century natural diamond has been used for industrial purposes due to its exceptional hardness value of 10 on the Mohs scale and has increased its use until the appearance of the polycrystalline, however, it still remains valid for ground applications or super finishes for cutting non-ferrous materials.

Synthetic Diamond (Monocrystal)

It is a replica of natural diamond, produced by the development of synthetic Ib diamond crystals is thermally stable in non-oxidizing environments. The most important properties are its resistance to wear and extremely smooth cutting edged finishes which achieve a very low roughness and a unique optical appearance.

Polycrystaline Diamond (PCD)

Material produced by sintering diamond particles on a carefully selected tungsten carbide, which combines the strength of the base with the abrasion resistance and thermal conductivity of diamond, having several particle sizes from as thin as 3 microns up to 25, being the most robust, using the type of material and machining conditions.

Polycrystalline Cubic Boron Nitride (CBN)

This is a very hard product on the second scale after diamond, formed by fine particles of top quality cubic boron nitride, and fully linked to each substrate to a cemented tungsten carbide or developed as a comprehensive CBN (macizo) product.

Randomly oriented, the CBN crystals are linked together by a ceramic matrix, metal, or composite, which come in different particle sizes and compounds.

Given that hardness or abrasion are very important and extreme working conditions are normally required, it is imperative to adjust the type of CBN to use, otherwise the result may be a short duration of the life of the tool or even the chance of breaking it.