Abrasive molten grains

Details Abrasive molten grains Abrasive molten grains

B - Operations, Transporting

24

C

B24C 11/00 (2006.01) B24D 3/00 (2006.01) C09G 1/02 (2006.01) C09K 3/14 (2006.01)

Patent

CA 2739567

The invention relates to molten grains having the following chemical composition in wt % in terms of oxides: Al2O3: balance to 100%; Zr02+Hf02: 16-24%; MgO in an amount such that the weight ratio (ZrO2+ HfO2)/MgO is between 25 and 65; other species: 0-2%. The grains can be used as abrasive grains.

Grains fondus présentant l'analyse chimique suivante, en pourcentages en masse sur la base des oxydes : Al2O3 : complément à 100% Zr02+Hf02 : 16-24%, MgO en une quantité telle que le rapport massique (ZrO2+ HfO2)/MgO soit compris entre 25 et 65, Autres espèces : 0-2%. Application comme grains abrasifs.

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