A braze alloy composition for sealing a ceramic component to a metal component in an electrochemical cell is presented. The braze alloy composition includes copper, nickel, and an active metal element. The braze alloy includes nickel in an amount less than about 30 weight percent, and the active metal element in an amount less than about 10 weight percent. An electrochemical cell using the braze alloy for sealing a ceramic component to a metal component in the cell is also provided.

An aluminum alloy brazing sheet used for brazing in an inert gas atmosphere without using flux includes a core material of aluminum or aluminum alloy, and a brazing material of aluminum alloy including Si of 4.0 mass % to 13.0 mass % and cladding one side surface or both side surfaces of the core material. One or both of the core material and the brazing material includes any one or two or more types of X atoms (X is Mg, Li, Be, Ca, Ce, La, Y, and Zr). The aluminum alloy brazing sheet is a brazing sheet in which oxide particles including the X atoms and having a volume change ratio of 0.99 or lower with respect to an oxide film before brazing heating are formed on a surface thereof, by brazing heating.

A bonding material having a first layer containing Sn as a main component thereof and a second layer containing a metal having a higher melting point than that of Sn as a main component thereof, wherein the first layer and the second layer are laminated on each other, and an amount of Sn in the first layer is larger than a stoichiometric amount of Sn that forms an intermetallic compound between the Sn and the metal.

A lead-free solder alloy, comprising from 35 to 59% wt Bi; Cu in a concentration up to 1.0 wt %; from 0.01 to 0.5 wt % Ni; and the balance Sn, together with any unavoidable impurities, with certain embodiments further comprising Ag, such as up to 1 wt % Ag.

Disclosed is a flux composition for use in brazing of an aluminum alloy material and includes a flux component [A] containing KAlF.sub.4; and a fluoride [B] containing an element other than Group 1 elements and Group 2 elements and containing no potassium (K). Also disclosed is a brazing sheet which includes an aluminum alloy core; a filler material lying on or over at least one side of the core; and a flux layer lying on or over one side of the filler material and including the flux composition.

A tool includes a superhard part of a polycrystalline diamond (PCD) or a cubic boron nitride (cBN) sintered compact bonded to a cemented carbide substrate and a maraging steel part, where the cemented carbide substrate and the maraging steel part parts are joined by brazing. The present also relates to the making of such tool. The tool provides a strong braze joint and a steel part that have an even hardness.

Some forms relate to an electronic assembly includes a first substrate that has a copper pad mounted to the first substrate. The electronic assembly further includes a second substrate that includes a copper redistribution layer mounted on the second substrate. The electronic assembly further includes bismuth-rich solder that includes 10-40 w.t. % tin. The bismuth-rich solder is electrically engaged with the copper pad and the copper redistribution layer. In some forms, the copper redistribution layer is another copper pad. The first substrate may include a memory die and the second substrate may include a logic die. In other forms, the first and second substrates may be part of a variety of different electronic components. The types of electronic components that are associated with the first and second substrates will depend on part on the application where the electronic assembly is be utilized (among other factors).

A method for producing a component structure from a first component and a second component may involve connecting the first component to the second component by way of a thermal joining process. The component structure has good crash properties, has good vibration resistance, has a lightweight construction, and is produced cost-effectively at least in part because the first component being a steel composite structure comprising a softer layer and a more-rigid layer. The softer layer may have a lower material strength and a higher deformability than the more-rigid layer. A part of a joint zone that is located in the first component may be formed at least partially in the relatively soft layer.

A brazing material for brazing articles of austenitic stainless steel comprises: 1.8-2.2% Molybdenum (Mo); 12.5-13.5% Nickel (Ni); 16.8-18.6% Chromium (Cr); 7.0-12.0% Silicon (Si); 3.0-5.5% Mn; 1.0-2.0% Boron (B); balance being Iron (Fe) and small amounts of other elements, wherein the percentages of these elements are lower than 0.1% for each element, all percentages being given by weight.

Manufactured articles, and methods of manufacturing enhanced surface smoothed components and articles. More particularly, surface smoothed components and articles, such as combustor components of turbine engines, having surface treatment conferring reduced roughness for enhanced performance and reduced wear related reduction in part life.