ALUMINUM ALLOY WIRE MATERIAL

• US 20110272175A1
• Filed: 07/18/2011
• Published: 11/10/2011
• Est. Priority Date: 01/19/2009
• Status: Active Grant

• Current Assignee: Furukawa Electric Company Limited
• Original Assignee: Furukawa Electric Company Limited
• Inventors: SEKIYA, Shigeki, Mihara, Kuniteru, Susai, Kyota
• Granted Patent: US 8,951,370 B2
• Time in Patent Office: Days
• US Class Current: 174/128.1
• CPC Class Codes: C22C 21/00 Alloys based on aluminium
• CPC Class Codes: C22C 21/14 with silicon
• CPC Class Codes: C22C 21/16 with magnesium
• CPC Class Codes: H01B 1/023 Alloys based on aluminium

Abstract

An aluminum alloy wire material, which has an alloy composition containing: 0.1 to 0.4 mass % of Fe, 0.1 to 0.3 mass % of Cu, 0.02 to 0.2 mass % of Mg, and 0.02 to 0.2 mass % of Si, and further containing 0.001 to 0.01 mass % of Ti and V in total, with the balance being Al and unavoidable impurities, in which a grain size is 5 to 25 μm in a vertical cross-section in a wire-drawing direction of the wire material, in which, according to JIS Z 2241, a tensile strength (TS) is 80 MPa or more, an elongation (El) is 15% or more, and a 0.2% yield strength (YS; MPa) satisfies, together with the TS, a relationship represented by formula: 1.5≦(TS/YS)≦3, and in which an electrical conductivity is 55% IACS or more.

Claims

1. An aluminum alloy wire material, which has an alloy composition comprising:

0.1 to 0.4 mass % of Fe, 0.1 to 0.3 mass % of Cu, 0.02 to 0.2 mass % of Mg, and 0.02 to 0.2 mass % of Si, and further comprising 0.001 to 0.01 mass % of Ti and V in total, with the balance being Al and unavoidable impurities, wherein a grain size is 5 to 25 μ

m in a vertical cross-section in a wire-drawing direction of the wire material, wherein, according to JIS Z 2241, a tensile strength (TS) is 80 MPa or more, an elongation (El) is 15% or more, and a 0.2% yield strength (YS;

MPa) satisfies, together with the TS, a relationship represented by formula;

5≦

(TS/YS)≦

3, and wherein an electrical conductivity is 55% IACS or more.

2. The aluminum alloy wire material according to claim 1, which is mounted on a movable body as a wiring, and used in the form of a stranded wire as an electric conductor for a battery cable, a wire harness, or a motor.

3. An aluminum alloy wire material, which has an alloy composition comprising:

0.1 to 0.4 mass % of Fe, 0.1 to 0.3 mass % of Cu, 0.02 to 0.2 mass % of Mg, and 0.02 to 0.2 mass % of Si, and further comprising 0.001 to 0.01 mass % of Ti and V in total, with the balance being Al and unavoidable impurities, wherein a grain size is 5 to 25 μ

m in a vertical cross-section in a wire-drawing direction of the wire material, wherein, according to JIS Z 2241, a tensile strength (TS) is 80 MPa or more, an elongation (El) is 15% or more, and a 0.2% yield strength (YS;

MPa) satisfies, together with the TS, a relationship represented by formula;

2≦

(TS/YS)≦

2.2, and wherein an electrical conductivity is 55% IACS or more.

4. The aluminum alloy wire material according to claim 3, which is mounted on a movable body as a wiring, and used in the form of a stranded wire as an electric conductor for a battery cable, a wire harness, or a motor.

5. An aluminum alloy wire material, which has an alloy composition comprising:

0.1 to 0.4 mass % of Fe, 0.1 to 0.3 mass % of Cu, 0.02 to 0.2 mass % of Mg, and 0.02 to 0.2 mass % of Si, and further comprising 0.001 to 0.01 mass % of Ti and V in total, with the balance being Al and unavoidable impurities, wherein a grain size is 5 to 25 μ

m in a vertical cross-section in a wire-drawing direction of the wire material, wherein, according to JIS Z 2241, a tensile strength (TS) is 80 MPa or more, an elongation (El) is 15% or more, and a 0.2% yield strength (YS;

MPa) satisfies, together with the TS, a relationship represented by formula;

1≦

(TS/YS)≦

2, and wherein an electrical conductivity is 55% IACS or more.

6. The aluminum alloy wire material according to claim 5, which is mounted on a movable body as a wiring, and used in the form of a stranded wire as an electric conductor for a battery cable, a wire harness, or a motor.

7. An aluminum alloy wire material, which has an alloy composition comprising:

0.3 to 0.8 mass % of Fe, and 0.02 to 0.5 mass % of at least one element selected from the group consisting of Cu, Mg, and Si in total, and further comprising 0.001 to 0.01 mass % of Ti and V in total, with the balance being Al and unavoidable impurities, wherein a grain size is 5 to 30 μ

m in a vertical cross-section in a wire-drawing direction of the wire material, wherein, according to JIS Z 2241, a tensile strength (TS) is 80 MPa or more, an elongation (El) is 15% or more, and a 0.2% yield strength (YS;

MPa) satisfies, together with the TS, a relationship represented by formula;

1.5≦

(TS/YS)≦

3, and wherein an electrical conductivity is 55% IACS or more.

8. The aluminum alloy wire material according to claim 7, which is mounted on a movable body as a wiring, and used in the form of a stranded wire as an electric conductor for a battery cable, a wire harness, or a motor.

9. An aluminum alloy wire material, which has an alloy composition comprising:

0.3 to 0.8 mass % of Fe, and 0.02 to 0.5 mass % of at least one element selected from the group consisting of Cu, Mg, and Si in total, and further comprising 0.001 to 0.01 mass % of Ti and V in total, with the balance being Al and unavoidable impurities, wherein a grain size is 5 to 30 μ

m in a vertical cross-section in a wire-drawing direction of the wire material, wherein, according to JIS Z 2241, a tensile strength (TS) is 80 MPa or more, an elongation (El) is 15% or more, and a 0.2% yield strength (YS;

MPa) satisfies, together with the TS, a relationship represented by formula;

1.2≦

(TS/YS)≦

2.2, and wherein an electrical conductivity is 55% IACS or more.

10. The aluminum alloy wire material according to claim 9, which is mounted on a movable body as a wiring, and used in the form of a stranded wire as an electric conductor for a battery cable, a wire harness, or a motor.

11. An aluminum alloy wire material, which has an alloy composition comprising:

0.3 to 0.8 mass % of Fe, and 0.02 to 0.5 mass % of at least one element selected from the group consisting of Cu, Mg, and Si in total, and further comprising 0.001 to 0.01 mass % of Ti and V in total, with the balance being Al and unavoidable impurities, wherein a grain size is 5 to 30 μ

m in a vertical cross-section in a wire-drawing direction of the wire material, wherein, according to JIS Z 2241, a tensile strength (TS) is 80 MPa or more, an elongation (El) is 15% or more, and a 0.2% yield strength (YS;

MPa) satisfies, together with the TS, a relationship represented by formula;

1≦

(TS/YS)≦

2, and wherein an electrical conductivity is 55% IACS or more.

12. The aluminum alloy wire material according to claim 11, which is mounted on a movable body as a wiring, and used in the form of a stranded wire as an electric conductor for a battery cable, a wire harness, or a motor.