High strength proppants

Details High strength proppants High strength proppants

C - Chemistry, Metallurgy

04

B

C04B 35/14 (2006.01) C04B 35/10 (2006.01) C04B 35/26 (2006.01) C04B 35/64 (2006.01)

Patent

CA 2741860

A sintered ceramic particle made from a ceramic material having a true density greater than 3.5 g/cc and a composition having no more than 30 weight percent silicon oxide and at least 15 weight percent iron oxide, based on the combined weight of the oxides of aluminum, iron and silicon, is disclosed. A proces that utilizes an externally applied compressive force to make a ceramic particle is also disclosed.

La présente invention concerne une particule de céramique frittée composée d'un matériau céramique ayant une densité absolue supérieure à 3,5 g/cm3 et une composition ne contenant pas plus de 30 pour cent en poids d'oxyde de silicium et contenant au moins 15 pour cent en poids d'oxyde de fer, sur la base du poids combiné des oxydes d'aluminium, de fer et de silicium. La présente invention concerne également un procédé qui utilise une force de compression appliquée de manière externe pour fabriquer une particule de céramique.

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