C - Chemistry – Metallurgy – 04 – B
Patent
C - Chemistry, Metallurgy
04
B
C04B 35/52 (2006.01) C03B 29/04 (2006.01) C04B 35/628 (2006.01) C04B 35/645 (2006.01) E21B 10/00 (2006.01)
Patent
CA 2762306
A polycrystalline diamond (PCD) material 10 comprising at least 88 volume percent and at most 99 volume percent diamond grains 12, the mean diamond grain contiguity being greater than 60.5 percent. The PCD material 10 is particularly but not exclusively for use in boring into the earth.
La présente invention concerne un diamant polycristallin (10) ou "PCD" ( P olycrystalline Diamond) constitué de grains de diamant (12) représentant de 88% à 99% de son volume, la contiguïté moyenne des grains de dimant étant supérieure à 60,5%. Ce diamant polycristallin (10) convient particulièrement, mais pas exclusivement, aux opérations de forage dans la terre.
Naidoo Kaveshini
Shabalala Thembinkosi
Element Six (production) (pty) Ltd
Gowling Lafleur Henderson Llp
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