An alloy includes: steel; manganese; aluminum; and silicon in an amount such that the alloy has an electrical conductivity from 2% IACS to 6% IACS measured in accordance with ASTM E1004-09 (2009).

An electrically conducting material including a substrate composed of copper or a copper alloy, and a coating composed of at least one layer. The coating has an outermost layer consisting to an extent of at least 90 vol % of an intermetallic phase which is or includes Cu.sub.6Sn.sub.5. The surface of the outermost layer that faces away from the substrate has insular, silver-rich precipitations with an area fraction of 7 to 20%.

A bonding wire includes a Cu alloy core material, and a Pd coating layer formed on the Cu alloy core material. The bonding wire contains at least one element selected from Ni, Zn, Rh, In, Ir, and Pt. A concentration of the elements in total relative to the entire wire is 0.03% by mass or more and 2% by mass or less. When measuring crystal orientations on a cross-section of the core material in a direction perpendicular to a wire axis of the bonding wire, a crystal orientation <100> angled at 15 degrees or less to a wire axis direction has a proportion of 50% or more among crystal orientations in the wire axis direction. An average crystal grain size in the cross-section of the core material in the direction perpendicular to the wire axis of the bonding wire is 0.9 m or more and 1.3 m or less.

In some examples, an article including a substrate and a multi-layered coating on at least a portion of the substrate. The multi-layered coating including at least one nano-crystalline layer comprising a metal or a metal alloy and a corrosion resistant layer on the at least one nano-crystalline layer. The nano-crystalline layer defining an average grain size of less than 50 nanometers (nm) and the corrosion resistant layer including at least one of nickel metal, tin metal, zinc metal, cadmium metal, chromium metal, nickel-phosphorus alloy, nickel-sulfur alloy, nickel-boron alloy, nickel-cadmium alloy, nickel-zinc alloy, and tin-zinc alloy.

A laminate includes: an insulating substrate; an intermediate layer formed on a surface of the substrate and containing a metal or an alloy as a main component; and a metal film formed of a copper powder having a hydrogen content of 0.002% by mass or less and laminated on the intermediate layer. An interface between the intermediate layer and the metal film is plastically deformed.

The invention relates to a method for manufacturing a metallized plastic product with a gold or silver hue, comprising the steps: galvanization of a surface of the plastic body for forming a galvanized chromium layer; deposition by evaporation of a metal layer directly on the galvanized chromium layer, the metal being copper, a mixture of metals comprising at least 70% by weight of copper, a copper alloy comprising at least 70% by weight of copper, or aluminum. The invention also relates to a metallized plastic product (1) with a gold or silver hue, comprising a plastic body (2), a galvanized chromium layer (3, 4, 5, 6), and a metal layer (7), the metal being copper, a mixture of metals comprising at least 70% by weight of copper, an alloy containing copper in an amount of at least 70% by weight, or aluminum.

Provide is a metal-coated liquid-crystal polymer film that is suitable for microcircuit processing and capable of reducing the transmission loss of circuits. The metal-coated liquid-crystal polymer film comprising: a polymer film comprising a polymer film main body capable of forming an optically anisotropic melt phase; a first metal layer layered on at least one side of the polymer film main body; and a second metal layer layered on the first metal layer, wherein in an analysis of oxygen concentration in a thickness direction using XPS, the average oxygen concentration of the first metal layer is 2.5 atom % or less.

A black plated resin part includes a resin base material, an underlying plating layer including a copper plating layer and a nickel plating layer formed in this order on the resin base material, a black chromium plating layer formed on the nickel plating layer, formed of trivalent chromium, and having a film thickness of not less than 0.15 m, and a corrosion resistant film formed on the black chromium plating layer, formed of chromic phosphate or molybdenum phosphate, and having a film thickness of not less than 7 nm. A brightness of the black chromium plating layer seen through the corrosion resistant film is expressed by an L* value of not more than 54 based on the L*a*b* color system.

Provided is a sliding material including a substrate; and a copper alloy layer bonded to the substrate. The copper alloy includes 2.0 to 15.0% by mass of tin. The copper alloy layer includes a sliding body part including a sliding surface, and a gradient region including a bond surface with the substrate. A tin concentration in the gradient region reduces from the sliding body part toward the bond surface. A method for producing the siding material is also provided. The method includes preparing the substrate having a first surface and a second surface opposite to the first surface; melting the copper alloy; casting the molten copper alloy on the first surface of the substrate; and solidifying the copper alloy unidirectionally by cooling the substrate from the second surface by a coolant.

A metallic foil for lightning strike protection in a composite aerospace structure having a length, a width, and a thickness of not more than 30 microns. There are a plurality of pores of a predefined geometric shape extending through the thickness of the metallic foil and being distributed across a surface area defined by the length and the width of the metallic foil. The plurality of pores in the aggregate define an open area of not more than 40% of the surface area and the metallic foil has a weight of not more than 115 g/m.sup.2. The metallic foil has a weight to conductivity ratio of not more than 0.40 gram-ohms per square.