C04B2235/658

Method and apparatus for pyrolyzing an electrode

An electrode heat treatment device and associated method for fabricating an electrode are described, and include forming a workpiece, including coating a current collector with a slurry. The workpiece is placed on a first spool, and the first spool including the workpiece is placed in a sealable chamber, wherein the sealable chamber includes the first spool, a heat exchange work space, and a second spool. An inert environment is created in the sealable chamber. The workpiece is subjected to a multi-step continuous heat treatment operation in the inert environment, wherein the multi-step continuous heat treatment operation includes continuously transferring the workpiece through the heat exchange work space between the first spool and the second spool and controlling the heat exchange work space to an elevated temperature.

SiC powder and method for manufacturing same, electrically heated honeycomb structure and method for manufacturing same

A SiC powder containing 70% by mass or more of a β-SiC, wherein in a volume-based cumulative particle size distribution measured by a laser diffraction method, a D50 is 8 to 35 μm and a D10 is 5 μm or more.

CERAMIC DISCS AND RODS, METHODS OF MANUFACTURE THEREOF AND ARTICLES COMPRISING THE SAME

Disclosed herein is a dual density disc comprising a dense outer tube comprising alumina having a purity of greater than 99%; and a porous core comprising alumina of a lower density than a density of the dense outer tube; wherein the porous core has an alumina purity of greater than 99%. Disclosed herein too is method comprising disposing in a dense outer tube a slurry comprising alumina powder and a pore former; heating the dense outer tube with the slurry disposed therein to a temperature of 300 to 600° C. to activate the pore former; creating a porous core in the dense outer tube; and sintering the dense outer tube with the porous core at a temperature of 800 to 2000° C. in one or more stages.

Manufacturing method of ceramic electronic device and metal conductive paste
11610735 · 2023-03-21 · ·

A manufacturing method of a ceramic electronic device includes forming a multilayer structure by stacking a plurality of stack units, each of the stack units having a structure in which a pattern of metal conductive paste is provided on a dielectric green sheet including a dielectric material, the metal conductive paste including a metallic material of which a main component is Ni and a co-material of which a main component is barium titanate, the metal conductive paste of each of the stack units being alternately shifted, and firing the multilayer structure. FWHM of the metallic material)/(FWHM of the co-material) is 0.550 or less. The FWHM is of a (111) face evaluated by powder X-ray diffraction. An average particle diameter of the metallic material before the firing is 120 nm or less.

DIELECTRIC COMPOSITION AND MULTILAYERED ELECTRONIC COMPONENT COMPRISING THE SAME

A dielectric composition includes a main ingredient having a perovskite structure represented by ABO.sub.3, where A is at least one of Ba, Sr, and Ca and B is at least one of Ti, Zr, and Hf, and a first accessory ingredient. The first accessory ingredient comprises 0.1 mole or more of a rare earth element, 0.02 mole or more of Nb, and 0.25 mole or more and 0.9 mole or less of Mg, a sum of contents of the rare earth element and Nb is 1.5 mole or less.

HIGH GREEN DENSITY CERAMICS FOR BATTERY
20230083614 · 2023-03-16 ·

Set forth herein are processes and materials for making ceramic thin green tapes by casting ceramic source powders and precursor reactants, binders, and functional additives into unsintered thin green tapes in a non-reactive environment.

Synthesis method for producing a calcium zirconate-containing material and batch and coarse ceramic refractory product having a pre-synthesized calcium zirconate-containing granular material

A synthesis method for producing a refractory oxide-ceramic material of CaZrO.sub.3, in particular in the form of a refractory granular material that is preferably mechanically comminuted, in particular crushed and/or ground, as well as to a batch and a coarse ceramic, shaped or unshaped, refractory product containing at least one pre-synthesized refractory calcium zirconate-containing granular material.

Method for Manufacturing Transparent Ceramic Materials
20230127014 · 2023-04-27 ·

An exemplary embodiment of the present disclosure provides a method for manufacturing a transparent ceramic material. The method comprises providing a compact comprising a metal oxide and, during sintering, exposing the compact to a vapor comprising one of or both fluorine ions and lithium ions to form a transparent ceramic material comprising at least 90% of a theoretical transparency.

Armour plate

Antiballistic armour plate includes a ceramic body including a hard material, provided, on its inner face, with a back energy-dissipating coating. The ceramic body is monolithic. The constituent material of the ceramic body includes grains of ceramic material having a Vickers hardness that is higher than 15 GPa, and a matrix binding the grains, the matrix including a silicon nitride phase and/or a silicon oxynitride phase, the matrix representing between 5 and 40% by weight of the constituent material of the ceramic body. The maximum equivalent diameter of the grains of ceramic material is smaller than or equal to 800 micrometres. The constituent material of the ceramic body has an open porosity that is higher than 5% and lower than 14%. The metallic silicon content in the material, expressed per mm of thickness of the body, is lower than 0.5% by weight.

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.