68results about How to "Good material uniformity" patented technology

The invention is directed to an integrated lightning strike protection system adapted for automated placement on a composite structure comprising a surfacing layer consisting of an organic polymer resin, a conductive layer of an expanded metal foil, an isolation/tack layer, and a carrier paper layer. In another embodiment of the invention, there is provided an integrated lightning strike protection system comprising an integrated lightning strike protection material consisting of an expanded metal foil encapsulated in organic polymer resin mounted on a carrier paper, and an automated placement machine suitable for placing the material on an aircraft composite part for protection of the composite part from lightning strikes. In another embodiment of the invention, there is provided a method for fabricating a composite structure with lightning strike protection.

A self-healing material comprises a matrix embedded with micro-pockets of a healing-agent releasable by a crack in the matrix. The healing-agent is able to bond to the matrix to repair the crack. The healing-agent is contained in microcapsules. A corresponding catalyst for the healing-agent is embedded in the matrix and contained in a plurality of microcapsules as an emulsion. The emulsion comprises an oil, a perfluorated solvent, a hydrophobic ionic liquid, or mixtures thereof. A method of manufacturing the self-healing material comprises the steps of identifying an operational temperature range of the material, providing at least one substance as the healing-agent, which substance remaining substantially in a liquid state within the operational temperature range, identifying an operational evaporation rate of the healing-agent and providing the substance with a curing time according to the evaporation rate.

The invention comprises a method and apparatus for equal channel angular extrusion (ECAE) of flat billets to control material structure and properties. The improvements of the method include the special systems of billet orientations, billet lubrication, billet ejection from dies, and a press/die control system those eliminate surface cracks, flashes and billet reshaping or deburring between passes. Therefore, multi-pass ECAE becomes a cost-effective industrial operation and may be applied to large billets.

An apparatus of semiconductor process including a chuck and a vacuum source is provided. The chuck has a plurality of holes for holding a semiconductor substrate, and the vacuum source is used for providing vacuum suction through the holes to make the semiconductor substrate be subjected to varied suction intensities according to a warpage level thereof.

A device for controllably cooling a thick steel plate capable of suppressing the occurrence of a difference in the hardness of the thick steel plate between the surface and the center thereof without lowering rolling efficiency and efficiently mass-producing the thick steel plate with low yield ratio, wherein a gentle cooling zone in which steel structure is partially transformed into ferrite is disposed on the outlet side of a rolling machine and a rapid cooling zone in which the remaining austenite is transformed into perlite, bainite, and martensite is disposed on the rear side of the gentle cooling zone. Namely, the gentle cooling zone and the rapid cooling zone controllable independently of each other are disposed in that order.

Provided herein is a plated steel having high strength with excellent elongation, excellent hole expansibility, and excellent material uniformity, and a method for producing such a plated steel. The steel sheet provided herein has a specific composition, and a steel structure that contains ferrite as a primary phase, and 2 to 12% of perlite, and 3% or less of martensite by volume, and in which the remainder is a low-temperature occurring phase. The ferrite has an average crystal grain diameter of 25 μm or less. The perlite has an average crystal grain diameter of 5 μm or less. The martensite has an average crystal grain diameter of 1.5 μm or less. The perlite has a mean free path of 5.5 μm or more. The steel sheet has a tensile strength of 440 MPa or more.

The invention provides high-strength corrosion-resistant plastic for a septic tank. The high-strength corrosion-resistant plastic is prepared from 50 to 70 parts by mass of linear low-density polyethylene, 40 to 60 parts by mass of polypropylene, 8 to 12 parts by mass of attapulgite, 4 to 9 parts by mass of phytic acid, 10 to 16 parts by mass of mica flake, 3 to 10 parts by mass of silicon carbonate whiskers, 15 to 22 parts by mass of nanometer calcium carbonate, 5 to 10 parts by mass of polyurea, 2 to 5 parts by mass of an antioxidant, 2 to 4 parts by mass of an antistatic agent, 3 to 5 parts by mass of methacryloxypropyltrimethoxysilane and 0 to 2 parts by mass of vinyl acetate. The high-strength corrosion-resistant plastic has excellent resistance to penetration, acid and base corrosion resistance, high and low temperature resistance, mechanical strength, impact strength greater than or equal to 74 kJ/m<2>, tensile strength greater than or equal to 44 Mpa, a heat distortion temperature greater than 90 DEG C and a cold deformation temperature less than -37 DEG C.

The invention discloses a manufacturing method of a zirconium oxide porcelain piece used for an all-ceramic false tooth and belongs to the field of all-ceramic false tooth materials used for lost teeth repair. The manufacturing method includes the following steps: 1) with a zirconium porcelain mixture material as a raw material, performing injection molding to obtain a green body of the zirconium oxide porcelain piece for all-ceramic false teeth; 2) performing dewaxing treatment, low-temperature pre-sintering, mechanical processing and silk-screen printing to the green body; and 3) inspecting and packaging the final product. The zirconium oxide porcelain piece used for all-ceramic false teeth has high internal homogeneity, high density and high breaking strength. An all-ceramic false tooth inner crown produced from the zirconium oxide porcelain piece has high mechanical strength and high density. The zirconium oxide porcelain piece used for the all-ceramic false teeth is designed through CAD/CAM and is processed to manufacture an all-ceramic false tooth inner crown green body which is then sintered, so as to reach strength and appearance effects required in clinical therapy.

A hot rolled steel sheet has a chemical composition including, by mass %, C: 0.060% to 0.120%; Si: 0.10% to 0.70%; Mn: 1.00% to 1.80%; P: 0.10% or less; S: 0.010% or less; Al: 0.01% to 0.10%; N: 0.010% or less; Nb: 0.010% to 0.100%, wherein Nb is contained so that content of solute Nb is 5% or more relative to the total Nb content; the balance being Fe and incidental impurities. The hot rolled steel sheet has a microstructure containing ferrite of not more than 15 μm in average crystal grain diameter by a volume fraction of not less than 75%, the balance being low-temperature-induced phases. The hot rolled steel sheet can be suitably utilized for manufacturing a cold rolled steel sheet or hot-dip galvanized steel sheet having a tensile strength of 590 MPa or more, excellent in material homogeneity and capable of giving excellent cold rolling property.

The invention relates to a semiconductor laser light source module based on a planar waveguide combiner, and the module comprises a bearing substrate which is provided with N electrodes; N semiconductor lasers, wherein bare chips on the semiconductor lasers are respectively bonded with the corresponding electrodes through leads; an optical waveguide combining structure sequentially comprising a waveguide layer, a reflection dielectric layer and a bonding layer from top to bottom; the waveguide layer being provided with a waveguide circuit pattern, the waveguide circuit pattern comprising N light inlets and one light outlet, and the N light inlets being in one-to-one correspondence with light outlet points of bare chips on the N semiconductor lasers; and a covering box. The invention further provides two manufacturing methods of the semiconductor laser light source module based on the planar waveguide combiner. According to the semiconductor laser light source module based on the planar waveguide type combiner provided by the invention, the large-aperture waveguide is prepared by a method of directly etching on the wafer, so that the laser coupling difficulty is greatly reduced, and the size of a device is greatly reduced.