Y10T428/30

Carbon nanofiber having embedded carbon nanotubes, and method of manufacture
11597652 · 2023-03-07 · ·

A method of producing Stress Activated Pyrolytic Carbon-Carbon NanoTube (SAPC-CNT) fibers is disclosed. The fibers are a composite consisting of a tubular core of pristine graphite planes that include carbon nanotubes (CNTs) surrounded by semi-graphitic carbon material that includes Stress Activated Pyrolytic Carbon (SAPC), the SAPC being characterized by wavy graphite planes ranging from 0.1 nm to 1 nm and oriented parallel to the axis of each fiber, the semi-graphitic carbon material also being characterized by an inclusion of 4 to 10 atomic percent of nitrogen heteroatoms, the nitrogen heteroatoms including an above 60% of quaternary and pyridinic nitrogen groups.

Functionally graded all-graphene based free-standing materials, methods of making and uses thereof

Functionally graded graphene materials, methods of making and uses thereof are described.

Exterior material of home appliance, home appliance including exterior material and manufacturing method of exterior material of home appliance

An exterior material of a home appliance having improved corrosion resistance and fingerprint resistance by changing a treatment method of a surface of the exterior material, and the home appliance including the same, and a manufacturing method therefor are provided. The method of manufacturing the exterior material of the home appliance, the method including applying a diamond like carbon (DLC) coating on the substrate to form a DLC coating layer; and conducting anti-fingerprint coating to form the anti-fingerprint coating on the DLC coating layer.

Method of producing surface-treated carbon nanostructures
11643328 · 2023-05-09 · ·

Disclosed is a method of producing surface-treated carbon nanostructures which comprises: a depressurization step wherein a carbon nanostructure-containing liquid which comprises carbon nanostructures and a dispersion medium is depressurized; and a surface treatment step wherein an oxidizing agent is added in the carbon nanostructure-containing liquid after or during the depressurization step so that the carbon nanostructures have a surface oxygen atom concentration of 7.0 at % or more. The carbon nanostructures preferably comprise carbon nanotubes.

Method for growing vertically oriented single-walled carbon nanotubes with the same electronic properties and for reproducing single-walled carbon nanotubes with the same electronic properties

The present invention relates to a method of reproducing at least one single-walled carbon nanotube (3) having predefined electronic properties or a plurality of single-walled carbon nanotube (3) having the same electronic properties. A dispersion (2) is produced for this purpose and carbon nanotubes (3) contained in the dispersion are processed into fragments (6) by energy input. These fragments (6) are applied to and oriented on a carrier (7). The fragments (6) are subsequently extended by chemical vapor deposition and the originally present carbon nanotubes (3) are thus reproduced.

Ultra-fine nanocrystalline diamond precision cutting tool and manufacturing method therefor

An ultra-fine nanocrystalline diamond precision cutting tool and a manufacturing method therefor. A diamond cutter is made of a thick self-supporting film of ultra-fine nanocrystalline diamond, the thick film having a thickness of 100-3000 microns, where 1 nanometer≤diamond grain size≤20 nanometers. In the manufacturing method, the growth of ultra-fine nanocrystalline diamond on a silicon substrate is accomplished by means of two steps of direct current hot cathode glow discharge chemical vapor deposition and hot filament chemical vapor deposition, then the silicon substrate is separated from the diamond to obtain a thick self-supporting film of ultra-fine nanocrystalline diamond, the thick self-supporting film of ultra-fine nanocrystalline diamond is laser cut and then welded to a cutter body, and then by means of edging, rough grinding and fine grinding, an ultra-fine nanocrystalline diamond precision cutting tool is obtained.

Method of making heat treated coated article using carbon based coating and protective film

A method of making a heat treated (HT) substantially transparent coated article to be used in shower door applications, window applications, tabletop applications, or any other suitable applications. For example, certain embodiments relate to a method of making a coated article including a step of heat treating a glass substrate coated with at least layer of or including carbon (e.g., diamond-like carbon (DLC)) and an overlying protective film thereon. The protective film may be of or include both (a) an oxygen blocking or barrier layer, and (b) a release layer, with the release layer being located between at least the carbon based layer and the oxygen blocking layer. The release layer is of or includes zinc oxynitride (e.g., ZnO.sub.xN.sub.z). Following and/or during heat treatment (e.g., thermal tempering, or the like) the protective film may be entirely or partially removed. Other embodiments of this invention relate to the pre-HT coated article, or the post-HT coated article.

Component having a coating and method for the production thereof
09840766 · 2017-12-12 · ·

The invention relates to a component having a coating containing chromium, nitrogen and carbon. According to the invention the coating comprises a sliding layer having a ceramic phase and a carbon phase, the ceramic phase forms a crystalline ceramic phase from Crx(C.sub.1-yN.sub.y) with 0.8=x=1.2 and y>0.7, and the crystalline ceramic phase and the carbon phase form a layer system of alternating individual layers (A, B), wherein the carbon phase has interstices that are filled with the crystalline ceramic phase.

Defect engineered high quality multilayer epitaxial graphene growth with thickness controllability

Methods for forming a graphene film on a silicon carbide material are provided, along with the resulting coated materials. The method can include: heating the silicon carbide material to a growth temperature (e.g., about 1,000° C. to about 2,200° C.), and exposing the silicon carbide material to a growth atmosphere comprising a halogen species. The halogen species reacts with the silicon carbide material to remove silicon therefrom. The halogen species can comprise fluorine (e.g., SiF.sub.4, etc.), chlorine (e.g., SiCl.sub.4), or a mixture thereof.

Carbon body coated with pyrolytic boron nitride, and a carbon heater including this carbon body

A PBN-coated carbon heater is disclosed in which the carbon base body is anisotropic with respect to thermal expansion coefficient such that the maximum-to-minimum coefficient ratio is 1.02 through 1.50 for temperatures between 50 and 800 degree C.; preferably the carbon base body is also anisotropic with respect to electric resistivity such that the maximum-to-minimum resistivity ratio is greater than 1.04 but not greater than 1.51, and the direction in which the resistivity is maximum coincides the direction of the heater pattern in which the electricity runs the longest distance.