# US 11,306,373 B2 · Aluminum alloy material, and conductive member, battery member, fastening part, spring part, and structural part using aluminum alloy material > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 11,306,373 B2 - Document ID: US11306373B2 - Status: Granted - Kind: B2 - Application number: 16/979,712 - Filed: 2019-03-15 - Published: 2021-01-14 - Granted: 2022-04-19 - Earliest claimed: 2018-03-27 - Assignees: Furukawa Electric Co., Ltd. - Applicants: Furukawa Electric Co., Ltd. - Inventors: Hiroshi Kaneko - Web page: https://patentgrep.com/patent/US11306373B2 ## CPC - C22C 21/08: with silicon - C22C 21/02: with silicon as the next major constituent - C22F 1/05: of alloys of the Al-Si-Mg type, i.e. containing silicon and magnesium in approximately equal proportions - H01B 1/023: {Alloys based on aluminium} - C22F 1/04: of aluminium or alloys based thereon - Y02E 60/10: Energy storage using batteries - C22C: ALLOYS (treatment of alloys C21D, C22F) - C22F: CHANGING THE PHYSICAL STRUCTURE OF NON-FERROUS METALS AND NON-FERROUS ALLOYS (surface treatment of metallic material involving at least one process provided for in class C23 and at least one process covered by this subclass, C23F17/00) - H01B: CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES (selection for magnetic properties H01F1/00; waveguides H01P {; printed circuits H05K}) - Y02E: REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION ## Abstract An aluminum alloy material has an alloy composition which includes at least one among 0.2-1.8 mass % of Mg, 0.2-2.0 mass % of Si, and 0.01-1.50 mass % of Fe, with the balance being Al and inevitable impurities, and has a fibrous metal structure in which crystal grains extend in one direction. In a cross section parallel to the one direction, the average value of the dimensions of the crystal grains in a direction perpendicular to the longitudinal direction thereof is 400 nm or less, and the primary surface of the aluminum alloy material has a crystal orientation distribution in which the ratio H (K100/K111) of K100 to K111 is at least 0.17 as determined by the X-ray pole figure method, where K100 is the sum of the diffraction intensities resulting from crystals in which <100> is oriented in the longitudinal direction, and K111 is the sum of the diffraction intensities resulting from crystals in which <111> is oriented in the longitudinal direction. ## Claims ### Claim 1 An aluminum alloy material having an alloy composition comprising 0.2 mass % to 1.8 mass % of Mg, 0.2 mass % to 2.0 mass % of Si, and 0.01 mass % to 1.50 mass % of Fe, with the balance being Al and inevitable impurities, wherein the aluminum alloy material has a fibrous metal structure in which crystal grains extend in one direction, in a cross section parallel to the one direction, an average value of dimensions of the crystal grains in a direction perpendicular to a longitudinal direction of the crystal grains is 400 nm or less, and a primary surface of the aluminum alloy material has a crystal orientation distribution in which when K100 is a sum of diffraction intensities resulting from crystals in which <100> is oriented in the longitudinal direction, K111 is a sum of diffraction intensities resulting from crystals in which <111> is oriented in the longitudinal direction, and H is a ratio (K100/K111) of K100 to K111, the ratio (H) is 0.17 or more as determined by an X-ray pole figure method. ### Claim 2 An aluminum alloy material having an alloy composition comprising 0.2 mass % to 1.8 mass % of Mg, 0.2 mass % to 2.0 mass % of Si, and 0.01 mass % to 1.50 mass % of Fe, and a total of 2.00 mass % or less of one or more selected from the group consisting of Cu, Ag, Zn, Ni, Co, Au, Mn, Cr, V, Zr, Sn, Ti, and B, with the balance being Al and inevitable impurities, wherein the aluminum alloy material has a fibrous metal structure in which crystal grains extend in one direction, in a cross section parallel to the one direction, an average value of dimensions of the crystal grains in a direction perpendicular to a longitudinal direction of the crystal grains is 400 nm or less, and a primary surface of the aluminum alloy material has a crystal orientation distribution in which when K100 is a sum of diffraction intensities resulting from crystals in which <100> is oriented in the longitudinal direction, K111 is a sum of diffraction intensities resulting from crystals in which <111> is oriented in the longitudinal direction, and H is a ratio (K100/K111) of K100 to K111, the ratio (H) is 0.17 or more as determined by an X-ray pole figure method. ### Claim 3 (depends on 1) The aluminum alloy material according to claim 1, wherein a Vickers hardness (HV) is 100 to 250. ### Claim 4 (depends on 1) The aluminum alloy material according to claim 1, wherein the surface is covered with one or more of metals or alloys selected from the group consisting of Cu, Ni, Ag, Au, Pd, and Sn. ### Claim 5 (depends on 1) A conductive member using the aluminum alloy material according to claim 1. ### Claim 6 (depends on 1) A battery member using the aluminum alloy material according to claim 1. ### Claim 7 (depends on 1) A fastening part using the aluminum alloy material according to claim 1. ### Claim 8 (depends on 1) A spring part using the aluminum alloy material according to claim 1. ### Claim 9 (depends on 1) A structural part using the aluminum alloy material according to claim 1. ### Claim 10 (depends on 1) A cabtire cable using the aluminum alloy material according to claim 1. ### Claim 11 (depends on 2) The aluminum alloy material according to claim 2, wherein a Vickers hardness (HV) is 100 to 250. ### Claim 12 (depends on 2) The aluminum alloy material according to claim 2, wherein the surface is covered with one or more of metals or alloys selected from the group consisting of Cu, Ni, Ag, Au, Pd, and Sn. ### Claim 13 (depends on 2) A conductive member using the aluminum alloy material according to claim 2. ### Claim 14 (depends on 2) A battery member using the aluminum alloy material according to claim 2. ### Claim 15 (depends on 2) A fastening part using the aluminum alloy material according to claim 2. ### Claim 16 (depends on 2) A spring part using the aluminum alloy material according to claim 2. ### Claim 17 (depends on 2) A structural part using the aluminum alloy material according to claim 2. ### Claim 18 (depends on 2) A cabtire cable using the aluminum alloy material according to claim 2. ### Claim 19 (depends on 3) The aluminum alloy material according to claim 3, wherein the surface is covered with one or more of metals or alloys selected from the group consisting of Cu, Ni, Ag, Au, Pd, and Sn. ### Claim 20 (depends on 3) A conductive member using the aluminum alloy material according to claim 3.