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Patent
Toyota Jidosha Kabushiki Kaisha, Sumitomo Light Metal Industries Ltd. and Shinwa Industry Co. | Date: 2012-12-12

A plate-like conductor for a busbar, which is a clad member consisting of two copper layers derived from respective two copper plates clad on respective opposite major surfaces of an aluminum plate, an aluminum layer derived from the aluminum plate and formed integrally with the copper layers, and two alloy layers consisting of aluminum and copper and formed between the aluminum layer and the two copper layers.


A sheet material (


Patent
Sumitomo Light Metal Industries Ltd. | Date: 2013-09-28

A high-strength aluminum alloy extruded material contains Si: 0.70 to 1.3 mass %; Mg: 0.45 to 1.2 mass %; Cu: 0.15 to less than 0.40 mass %; Mn: 0.10 to 0.40 mass %; Cr: more than 0 to 0.06 mass %; Zr: 0.05 to 0.20 mass %; Ti: 0.005 to 0.15 mass %, Fe: 0.30 mass % or less; V: 0.01 mass % or less; the balance being Al and unavoidable impurities Crystallized products in the alloy have a particle diameter of a is 5 m or less. Furthermore, an area ratio of a fibrous structure in a cross section parallel to an extruding direction during hot extrusion is 95% or more.


Patent
Sumitomo Light Metal Industries Ltd. | Date: 2012-07-18

First and second aluminum alloy materials (


Patent
Sumitomo Light Metal Industries Ltd. | Date: 2013-08-06

An aluminum alloy member is used for joining ends of a sheet-like aluminum alloy member by friction stir welding, and forming an anodic oxidation coating on a weld front surface or a weld back surface, the aluminum alloy member including 0.3 to 1.5 mass % of Mg, 0.2 to 1.2 mass % of Si, 0.5 mass % or less of Cu, and 0.2 mass % or less of Fe, with the balance being Al and unavoidable impurities, Fe-containing second phase particles having a particle size (circle equivalent diameter) of more than 1 m, among second phase particles dispersed in a matrix of the aluminum alloy member, having an average particle size of 5 m or less.

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