B28B13/0205

Process for rapid processing of SiC and graphitic matrix triso-bearing pebble fuels
11557403 · 2023-01-17 · ·

A method for producing microencapsulated fuel pebble fuel more rapidly and with a matrix that engenders added safety attributes. The method includes coating fuel particles with ceramic powder; placing the coated fuel particles in a first die; applying a first current and a first pressure to the first die so as to form a fuel pebble by direct current sintering. The method may further include removing the fuel pebble from the first die and placing the fuel pebble within a bed of non-fueled matrix ceramic in a second die; and applying a second current and a second pressure to the second die so as to form a composite fuel pebble.

APPARATUS FOR FORMING SOFT MUD CLADDING AND PAVING ARTICLES
20230096449 · 2023-03-30 · ·

An apparatus for forming soft mud cladding or paving articles, comprising an assembly for loading a mix in a mold box which is open upward and is provided with at least one impression for forming a corresponding blank provided with a laying surface which faces toward the outside of the impression, the mold box being movable along an advancement direction through the loading assembly, elements for skimming excess material loaded into the mold box, at least one assembly for overturning the mold box for the extraction of the at least one blank, an assembly for drying and firing the at least one blank so as to obtain a corresponding cladding article; the skimming elements comprise at least one skimming element which is forms at least one profile which substantially matches the profile of the laying surface of the blank being processed.

PROGRAMMABLE STATION AND PLANT FOR THE PRODUCTION OF PLATES WITH CHROMATIC EFFECTS
20170355101 · 2017-12-14 ·

A Station (10 110) for the realization of coloring effects in a mix for the production of slabs, comprising:—a working surface (11) intended to accommodate a temporary support (12) with a basic mix layer for the formation of a slab;—at least one dye dispensing device (17) for emitting dyes towards the working surface (11) so as to deposit them on the basic mix layer on the temporary support accommodated on the working surface (11)—movement means (18 118) for the relative movement of the dispensing device (17) above the working surface (11)—a control system (19) connected to the movement means (18,118) for controlling the displacement of the dispensing device (17) on the working surface (11) so as to follow trajectories along which dyes are emitted towards the mix layer;—at least one tool (30, 31) movable with the movement means (18, 118) and intended to interact mechanically with areas of the mix layer on the temporary support accommodated on the working surface which receive or are intended to receive the dyes emitted by the dispensing device (17) to achieve coloring effects in the mix

PROCESS FOR RAPID PROCESSING OF SiC AND GRAPHITIC MATRIX TRISO-BEARING PEBBLE FUELS
20230170104 · 2023-06-01 ·

A method for producing microencapsulated fuel pebble fuel more rapidly and with a matrix that engenders added safety attributes. The method includes coating fuel particles with ceramic powder; placing the coated fuel particles in a first die; applying a first current and a first pressure to the first die so as to form a fuel pebble by direct current sintering. The method may further include removing the fuel pebble from the first die and placing the fuel pebble within a bed of non-fueled matrix ceramic in a second die; and applying a second current and a second pressure to the second die so as to form a composite fuel pebble.

PROCESS FOR RAPID PROCESSING OF SiC AND GRAPHITIC MATRIX TRISO-BEARING PEBBLE FUELS
20170287577 · 2017-10-05 · ·

A method for producing microencapsulated fuel pebble fuel more rapidly and with a matrix that engenders added safety attributes. The method includes coating fuel particles with ceramic powder; placing the coated fuel particles in a first die; applying a first current and a first pressure to the first die so as to form a fuel pebble by direct current sintering. The method may further include removing the fuel pebble from the first die and placing the fuel pebble within a bed of non-fueled matrix ceramic in a second die; and applying a second current and a second pressure to the second die so as to form a composite fuel pebble.

Mold materials for formed ceramic

A mold apparatus to form a ceramic (or glass) includes a first mold portion having a first coefficient of thermal expansion and a second mold portion having a second coefficient of thermal expansion. In some embodiments, the first mold portion and/or the second mold portion are substantially immiscible with the ceramic material, such as silicon oxide, at a temperature greater than 600° C. In some embodiments, the first coefficient of thermal expansion and the second coefficient of thermal expansion are substantially similar to that of the glass or ceramic material. In some embodiments, the first coefficient of thermal expansion is different from the second coefficient of thermal expansion. In some embodiments, the first mold portion and the second mold portion contain a surface coating and a passivation layer.

Method for producing a dimensionally stable concrete workpiece and dimensionally stable concrete workpiece
11072089 · 2021-07-27 · ·

The disclosure relates to a method for producing a dimensionally stable concrete work-piece characterised in that to produce the concrete work-piece a fully-sealed dimensionally stable form is filled with fresh concrete in a predetermined geometry, during the subsequent and undisrupted hydration a predetermined temperature distribution of the walls of the form surrounding the hydrated concrete is carried out and the concrete workpiece is shaped at a compressive strength of more than 10 MPa.

PROCESS FOR RAPID PROCESSING OF SiC AND GRAPHITIC MATRIX TRISO-BEARING PEBBLE FUELS
20210210235 · 2021-07-08 · ·

A method for producing microencapsulated fuel pebble fuel more rapidly and with a matrix that engenders added safety attributes. The method includes coating fuel particles with ceramic powder; placing the coated fuel particles in a first die; applying a first current and a first pressure to the first die so as to form a fuel pebble by direct current sintering. The method may further include removing the fuel pebble from the first die and placing the fuel pebble within a bed of non-fueled matrix ceramic in a second die; and applying a second current and a second pressure to the second die so as to form a composite fuel pebble.

FIRING SETTER
20210207888 · 2021-07-08 ·

A method of manufacturing a furnace setter is disclosed. The method includes placing one or more layers of ceramic tape on a form that has a shape corresponding to a desired shape of the furnace setter. The method further includes applying pressure to the assembly that includes the form and the tape layers. The application of pressure to the assembly compresses the ceramic tape layers together to generate an integrated body having the desired shape of the furnace setter. The method further includes removing the integrated body from the form and applying a heat treatment to the integrated body to generate the furnace setter as a sintered solid body. According to a further embodiment, a furnace setter is disclosed that has a weight to area ratio that is less than 10 g/in.sup.2, less than 5 g/in.sup.2, less than 3 g/in.sup.2, or less than 2 g/in.sup.2.

Process for rapid processing of SiC and graphitic matrix TRISO-bearing pebble fuels
10878971 · 2020-12-29 · ·

A method for producing microencapsulated fuel pebble fuel more rapidly and with a matrix that engenders added safety attributes. The method includes coating fuel particles with ceramic powder; placing the coated fuel particles in a first die; applying a first current and a first pressure to the first die so as to form a fuel pebble by direct current sintering. The method may further include removing the fuel pebble from the first die and placing the fuel pebble within a bed of non-fueled matrix ceramic in a second die; and applying a second current and a second pressure to the second die so as to form a composite fuel pebble.