Patent classifications
B23K35/0238
CONDUCTIVE SHEET WITH METALLIC PLATE
A conductive assembly including: a conductive sheet; a metallic plate; and a sheet fixing plate separate from the metallic plate, wherein: a portion of the conductive sheet is sandwiched between the metallic plate and the sheet fixing plate, the sheet fixing plate is overlapped with and fixed to the metallic plate, and a positioning recess is formed in one of the metallic plate and the sheet fixing plate, and a positioning protrusion is formed in the other so as to be positioned in contact with an edge of the positioning recess.
Aluminum material for fluxfree cab brazing
An aluminum alloy brazing sheet has a 3XXX, 1XXX or 6XXX core, an interliner and a 4XXX brazing layer without added Mg. The interliner has Bi and Mg, the magnesium migrating to the surface of the brazing sheet during brazing and reducing the aluminum oxide to facilitate brazing without flux in a controlled inert atmosphere with reduced oxygen.
Nickel-carbon and nickel-cobalt-carbon brazes and brazing processes for joining ceramics and metals and semiconductor processing and industrial equipment using same
A brazing process using Nickel(Ni)-Carbon as graphite(Cg) alloys, Ni-Cg-Molybdenum(Mo) alloys, and Ni-Cobalt(Co)-Cg-Mo alloys for brazing together ceramics, ceramics to metals, metals to metals. Semiconductor processing equipment made with the use of Ni-Cg alloys, such as heaters and chucks. Semiconductor processing equipment components and industrial equipment components using a highly wear resistant surface layer, such as sapphire, joined to a substrate such as a ceramic, with a Ni-Cg alloy braze.
Aluminum alloy brazing sheet and method for manufacturing the same
An aluminum alloy includes: a core material made of an aluminum alloy including Si, Cu, and Mn, with the balance being Al and unavoidable impurities; a brazing material cladded onto one side surface of the core material, and made of an aluminum alloy including Si, with the balance being Al and unavoidable impurities; and a sacrificial anode material cladded onto the other side surface of the core material, and made of an aluminum alloy including Zn and Si, with the balance being Al and unavoidable impurities, wherein a total number density of single phase pure Si and a intermetallic compound existing in the sacrificial anode material and having a grain size of 0.1 μm or more and 1.0 μm or less is 1×10.sup.3/mm.sup.2 or more and 1×10.sup.6/mm.sup.2 or less.
A METHOD OF FORMING AN ENCLOSURE
The present disclosure provides a method of forming a hermetically sealed enclosure that comprises a diamond material. The method comprises providing first and second enclosure components comprising the diamond material and having first and second recesses, respectively, at edge portions. At least one of the first and second enclosure components has a cavity. The enclosure components have respective contact surfaces at the first and second recesses and are shaped such that an outer channel is formed by the co-operation of the first and second recesses when the first and second enclosure components are contacted at the contact surfaces to form the enclosure. The method further comprises bonding a first type of material to at least surface portions of the first and second recesses of the first and second enclosure components, respectively. The method also comprises bonding a second type of material to the first type of material so that the second type of material covers at least portions of the first type of material. The second type of material is biocompatible and suitable for forming a hermetically sealed seal. In addition, the method comprises contacting the enclosure components to form the enclosure and bonding the second type of material of the first enclosure component to the second type of material of the second enclosure component so as to form a hermetically sealed seal in the outer channel.
High temperature electrochemical cell structures, and methods for making
An electrochemical cell is described, including an anodic chamber and a cathodic chamber separated by an electrolyte separator tube, all contained within a cell case. The cell also includes an electrically insulating ceramic collar positioned at an opening of the cathodic chamber, and defining an aperture in communication with the opening; along with a cathode current collector assembly; and at least one metallic ring that has a coefficient of thermal expansion (CTE) in the range of about 3 to about 7.5 ppm/° C., contacting at least a portion of a metallic component within the cell, and an adjacent ceramic component. An active braze alloy composition attaches and hermetically seals the ring to the metallic component and the collar. Sodium metal halide batteries that contain this type of cell are also described, along with methods for sealing structures within the cell.
Multi-layered aluminium brazing sheet material
Multilayered brazing sheet including aluminium core alloy layer of 3xxx-series aluminium alloy having, in wt. %, up to 0.4% Si, up to 0.5% Fe, 0.4% to 0.75% Cu, 0.6% to 1.1% Mn, up to 0.07% Mg, up to 0.2% Cr, up to 0.25% Zr, up to 0.2% Ti, up to 0.15% Zn, balance aluminium and impurities, first and second brazing clad layers on opposed faces of core layer, and an inter-layer on either or both sides of core layer between the core layer and first or second brazing clad layer. The first and second brazing layers are 4xxx-series aluminium alloy. The inter-layer(s) is 3xxx-series aluminium alloy, having, in wt. %, up to 0.6% Si, 0.2% to 0.7% Fe, up to 0.2% Cu, 1.0% to 1.6% Mn, up to 0.25% Zn, up to 0.04% Mg, up to 0.2% Cr, up to 0.2% Zr, up to 0.07% Ti, balance aluminium and impurities.
ALUMINUM ALLOY BRAZING SHEET AND BRAZING METHOD
An aluminum alloy brazing sheet exhibits excellent brazability by effectively weakening an oxide film formed on the surface of a filler metal. The aluminum alloy brazing sheet includes a core material and a filler metal, and is used to braze aluminum in an inert gas atmosphere or in vacuum, the core material including aluminum or an aluminum alloy, the filler metal including 6 to 13 mass % of Si, with the balance being Al and unavoidable impurities, and one side or each side of the core material being clad with the filler metal, wherein the core material is clad with the filler metal in a state in which a sheet material is interposed between the core material and the filler metal, the sheet material including one element, or two or more elements, among 0.05 mass % or more of Li, 0.05 mass % or more of Be, 0.05 mass % or more of Ba, and 0.05 mass % or more of Ca, with the balance being Al and unavoidable impurities.
ALUMINUM ALLOY BRAZING SHEET HAVING HIGH STRENGTH, HIGH CORROSION RESISTANCE, AND HIGH MATERIAL ELONGATION
An aluminum alloy brazing sheet has high strength, corrosion resistance and elongation, and includes an aluminum alloy clad material. The material includes a core material, one surface of which is clad with a sacrificial material and an other surface of which is clad with an Al—Si-based or Al—Si—Zn-based brazing filler metal. The core material has a composition containing 1.3 to 2.0% Mn, 0.6 to 1.3% Si, 0.1 to 0.5% Fe and 0.7 to 1.3% Cu, by mass, with the balance Al and impurities. The sacrificial material has a composition containing more than 4.0% to 8.0% Zn, 0.7 to 2.0% Mn, 0.3 to 1.0% Si, 0.3 to 1.0% Fe and 0.05 to 0.3% Ti, by mass, with the balance Al and impurities. At least the core material has a lamellar crystal grain structure. Elongation of material is at least 4% and a tensile strength after brazing is at least 170 MPa.
Multi-layered Aluminium Brazing Sheet Material
A multi-layered brazing sheet material including an aluminium core alloy layer, a brazing clad layer material on one face of the core layer, an inter-layer between the core layer and brazing clad layer material, and a water-side layer on the other face of the core layer. The core layer made from aluminium alloy having, in wt. %, up to 0.6% Si, up to 0.45% Fe, 0.6% to 1.25% Cu, 0.6% to 1.4% Mn, 0.08% to 0.4% Mg, up to 0.2% Cr, up to 0.25% Zr, up to 0.2% Ti, up to 0.3% Zn, balance aluminium and impurities. The brazing layer made from aluminium alloy having 6% to 14% Si and up to 2% Mg, balance aluminium and impurities. The inter-layer made from 1xxx-series aluminium alloy. The water-side layer made from 3xxx-series aluminium alloy having 0.5% to 1.8% Mn and 1% to 3.5% Zn.