C04B2235/666

CERAMICS WRINGING
20170226019 · 2017-08-10 ·

The object of the present invention is an integrally bonded composite component, a method for the production thereof, and the use thereof. The invention particularly relates to integrally bonded transparent ceramic composite components, to a method for the production of such ceramic composite components, and to the use thereof.

USE OF A DEFORMABLE INTERFACE FOR THE FABRICATION OF COMPLEX PARTS
20220266336 · 2022-08-25 ·

An assembly for densification under load along at least one direction of compression. The assembly includes: at least one volume to be densified having a powdery and/or porous composition and having variations in thickness along the direction of compression; and at least one counter-form of a powdery and/or porous composition, having at least one face facing at least one portion of the volume. The face and each of the portions are separated by at least one deformable interface layer.

POROUS MATERIAL INCLUDING CARBON NANOHORNS AND USE THEREOF

The objective of the present teaching is to provide a porous material including carbon nanohorns. The porous material includes carbon nanohorns and has a predetermined three-dimensional shape.

HARD MATERIAL, SINTERED MATERIAL, TOOL INCLUDING SINTERED MATERIAL, MANUFACTURING METHOD OF HARD MATERIAL, AND MANUFACTURING METHOD OF SINTERED MATERIAL

A hard material which, when used as a material of a sintered material, makes it possible to obtain a sintered material with excellent abrasion resistance, a sintered material, a cutting tool including the sintered material, a method for manufacturing the hard material and a method for manufacturing the sintered material are provided. The hard material contains aluminum, nitrogen, and at least one element selected from the group consisting of titanium, chromium, and silicon, and has a cubic rock salt structure.

CERAMIC AND METAL BORON NITRIDE NANOTUBE COMPOSITES
20170275742 · 2017-09-28 ·

The present invention provides for materials and methods of making metal and ceramic matrix composites reinforced with boron nitride nanomaterials for improved physical properties such as hardness, fracture toughness, and bend strength.

Process for the preparation of gadolinium oxysulfide (Gd2O2S) scintillation ceramics

The present disclosure is directed to a rapid process for the preparation of gadolinium oxysulfide having a general formula of Gd.sub.2O.sub.2S, referred to as GOS, scintillation ceramics by using the combination of spark plasma primary sintering (SPS) and hot isostatic pressing secondary sintering.

Metal detectible ceramic material and method for making the same
09815743 · 2017-11-14 ·

A method for producing a cermet composition, including mixing a first predetermined amount of a yttria stabilized zirconia powder with between 2 and 8 weight percent mu-metal powder to define a homogeneous admixture, oxidizing the mu-metal in the admixture, forming the homogeneous admixture into a green body, calcining the green body in a first reducing atmosphere to remove oxygen from the oxidized mu-metal to yield a calcined body, and sintering the calcined body in a second reducing atmosphere to yield a densified body having no more than 0.8% porosity. The densified body has a plurality of mu-metal particles distributed therethrough, a hardness of at least 1450 HV, flexural strength of at least 200 kPSI, and a relative permeability μ/μ.sub.o of at least 850.

Thermoelectric material, thermoelectric module, and producing method of thermoelectric material

There is provided a thermoelectric material including a compound which is formed of an element R belonging to alkaline earth metal and lanthanoid, and an element X belonging to any of Group 13 elements, Group 14 elements, and Group 15 elements. The composition ratio of the element R and the element X is selected to obtain the compound having an AlB.sub.2 type structure.

FAST-DENSIFIED CERAMIC MATRIX COMPOSITE AND FABRICATION METHOD
20170320784 · 2017-11-09 ·

A method for producing a ceramic matrix composite (CMC) material includes impregnating a set of ceramic fibers with a non-fibrous ceramic material, resulting in a precursor matrix, stabilizing the precursor matrix, resulting in a stabilized matrix, and densifying the stabilized matrix using a frequency assisted sintering technology (FAST) process, resulting in a densified CMC material. The resulting densified CMC exhibits superior strength and toughness, relative to prior CMCs.

SiAlON ceramics and a method of preparation thereof

A Ca—SiAlON ceramic with enhanced mechanical properties and a method employing micron-sized and submicron precursors to form the Ca—SiAlON ceramic. The Ca—SiAlON ceramic comprises not more than 42 wt % silicon, relative to the total weight of the Ca—SiAlON ceramic. The method employs submicron particles and also allows for substituting a portion of aluminum nitride with aluminum to form the Ca—SiAlON ceramic with enhanced mechanical properties.