C04B35/636

Proppant particles formed from slurry droplets and methods of use

Proppant particles formed from slurry droplets and methods of use are disclosed herein. The proppant particles can include a sintered ceramic material and can have a size of about 80 mesh to about 10 mesh and an average largest pore size of less than about 20 microns. The methods of use can include injecting a hydraulic fluid into a subterranean formation at a rate and pressure sufficient to open a fracture therein and injecting a fluid containing a proppant particle into the fracture, the proppant particle including a sintered ceramic material, a size of about 80 mesh to about 10 mesh, and an average largest pore size of less than about 20 microns.

Method for Manufacturing Silicon Nitride Substrate
20220371963 · 2022-11-24 ·

The present invention relates to a method for manufacturing a silicon nitride substrate and, more specifically, comprises the steps of: forming a slurry by mixing silicon nitride powder, a ceramic additive, and a solvent; molding the slurry to form sheets; sandwiching at least one of the sheets between a lower plate and an upper plate to form a stacked structure; degreasing the stacked structure; and sintering the stacked structure. At least one of the lower plate and the upper plate comprises a plurality of protrusions provided on one surface thereof, and the protrusions extend in parallel to each other in one direction.

COMPOSITE MEMBER
20220371964 · 2022-11-24 ·

A composite member includes an inorganic matrix part made from an inorganic substance including at least one of a metal oxide or a metal oxide hydroxide and an organic fiber that is directly fixed to the inorganic matrix part without interposing an adhesive substance different from the inorganic substance making up the inorganic matrix part and is present in a dispersed state within the inorganic matrix part. The composite member has a porosity of 20% or less in a section of the inorganic matrix part.

Process for 3D printing

The present invention relates to a suspension comprising 50-95% by weight of the total suspension (w/w) of at least one metallic material and/or ceramic material and/or polymeric material and/or solid carbon containing material; and at least 5% by weight of the total suspension of one or more fatty acids or derivatives thereof. In addition, the invention relates to uses of such suspension in 3D printing processes.

Process for 3D printing

The present invention relates to a suspension comprising 50-95% by weight of the total suspension (w/w) of at least one metallic material and/or ceramic material and/or polymeric material and/or solid carbon containing material; and at least 5% by weight of the total suspension of one or more fatty acids or derivatives thereof. In addition, the invention relates to uses of such suspension in 3D printing processes.

Green ceramic mixtures comprising a stabilized emulsion and methods for forming a ceramic body
11505499 · 2022-11-22 · ·

Green ceramic mixtures include at least one inorganic component, at least one organic binder, and a stable emulsion including at least one lubricant, at least one aqueous solvent, and at least one emulsifier. Methods for forming ceramic bodies include forming a green ceramic mixture including a stable emulsion and extruding the green ceramic mixture. The methods and green ceramic mixtures can be used to produce green and fired ceramic bodies.

Ceramic honeycomb bodies and manufacture

Batch mixtures comprising alumina trihydrate for forming ceramic honeycomb bodies comprised of cordierite and methods of manufacturing honeycomb bodies from such batch mixtures are provided.

Ceramic honeycomb bodies and manufacture

Batch mixtures comprising alumina trihydrate for forming ceramic honeycomb bodies comprised of cordierite and methods of manufacturing honeycomb bodies from such batch mixtures are provided.

Method for fabricating a ceramic heating body with porous heating film
11498875 · 2022-11-15 · ·

The present application discloses a method for fabricating a ceramic heating body with a porous heating film, which relates to technical field of fabricating method of heating body; the method including mixing, ball-milling, defoaming, molding and drying, sintering, paraffin filling, machining, coating, metalizing sintering, and electrode leading; the beneficial effects of the present application is simple in whole fabricating method, and by using a box furnace to sinter the green body under an oxidizing atmosphere and normal pressure, the fabricated ceramic heating body is heated uniformly and the heating efficiency is high.

Method for fabricating a ceramic heating body with porous heating film
11498875 · 2022-11-15 · ·

The present application discloses a method for fabricating a ceramic heating body with a porous heating film, which relates to technical field of fabricating method of heating body; the method including mixing, ball-milling, defoaming, molding and drying, sintering, paraffin filling, machining, coating, metalizing sintering, and electrode leading; the beneficial effects of the present application is simple in whole fabricating method, and by using a box furnace to sinter the green body under an oxidizing atmosphere and normal pressure, the fabricated ceramic heating body is heated uniformly and the heating efficiency is high.