ALUMINUM ALLOY CONDUCTOR WIRE, ALUMINUM ALLOY STRANDED WIRE, COATED WIRE, WIRE HARNESS AND METHOD OF MANUFACTURING ALUMINUM ALLOY CONDUCTOR WIRE

• US 20170069403A1
• Filed: 11/16/2016
• Published: 03/09/2017
• Est. Priority Date: 05/26/2014
• Status: Active Grant

• Current Assignee: Furukawa Automotive Systems Incorporated (Furukawa Electric Company Limited), Furukawa Electric Company Limited
• Original Assignee: Furukawa Automotive Systems Incorporated (Furukawa Electric Company Limited), Furukawa Electric Company Limited
• Inventors: YOSHIDA, Sho, MATSUO, Ryosuke, SEKIYA, Shigeki, MITOSE, Kengo
• Granted Patent: US 9,875,822 B2
• Time in Patent Office: Days
• US Class Current: 1/1
• CPC Class Codes: B21C 1/003 Drawing materials of special alloys so far as the composition of the alloy requires or permits special drawing methods or sequences
• CPC Class Codes: B21C 1/02 Drawing metal wire or like flexible metallic material by drawing machines or apparatus in which the drawing action is effected by drums
• CPC Class Codes: B22D 21/007 with low melting point, e.g. Al 659 degrees C, Mg 650 degrees C
• CPC Class Codes: B60R 16/0207 Wire harnesses
• CPC Class Codes: C22C 21/02 with silicon as the next major constituent
• CPC Class Codes: C22C 21/08 with silicon
• CPC Class Codes: C22F 1/043 of alloys with silicon as the next major constituent
• CPC Class Codes: C22F 1/047 of alloys with magnesium as the next major constituent
• CPC Class Codes: C22F 1/05 of alloys of the Al-Si-Mg type, i.e. containing silicon and magnesium in approximately equal proportions
• CPC Class Codes: H01B 1/02 mainly consisting of metals or alloys
• CPC Class Codes: H01B 1/023 Alloys based on aluminium
• CPC Class Codes: H01B 13/00 Apparatus or processes specially adapted for manufacturing conductors or cables
• CPC Class Codes: H01B 13/0016 for heat treatment
• CPC Class Codes: H01B 5/02 Single bars, rods, wires, or strips
• CPC Class Codes: H01B 5/08 Several wires or the like stranded in the form of a rope
• CPC Class Codes: H01B 7/00 Insulated conductors or cables characterised by their form
• CPC Class Codes: H01B 7/0045 Cable-harnesses

Abstract

An aluminum alloy conductor wire has a composition comprising Mg: 0.1-1.0 mass %, Si: 0.1-1.20 mass %, Fe: 0.01-1.40 mass %, Ti: 0-0.100 mass %, B: 0-0.030 mass %, Cu: 0-1.00 mass %, Ag: 0-0.50 mass %, Au: 0-0.50 mass %, Mn: 0-1.00 mass %, Cr: 0-1.00 mass %, Zr: 0-0.50 mass %, Hf: 0-0.50 mass %, V: 0-0.50 mass %, Sc: 0-0.50 mass %, Co: 0-0.50 mass %, Ni: 0-0.50 mass %, and the balance: Al and inevitable impurities, where Ti, B, Cu, Ag, Au, Mn, Cr, Zr, Hf, V, Sc, Co and Ni are arbitrary additive components of which at least one component may be contained or none of the components may be contained. A density of a compound having a particle size of 0.5-5.0 μm and containing Fe is 1 to 300 particles/10000 μm².

Claims

1. An aluminum alloy conductor wire having a composition comprising Mg:

0.1 mass % to 1.0 mass %, Si;

0.1 mass % to 1.20 mass %, Fe;

0.01 mass % to 1.40 mass %, Ti;

0 mass % to 0.100 mass %, B;

0 mass % to 0.030 mass %, Cu;

0 mass % to 1.00 mass %, Ag;

0 mass % to 0.50 mass %, Au;

0 mass % to 0.50 mass %, Mn;

0 mass % to 1.00 mass %, Cr;

0 mass % to 1.00 mass %, Zr;

0 mass % to 0.50 mass %, Hf;

0 mass % to 0.50 mass %, V;

0 mass % to 0.50 mass %, Sc;

0 mass % to 0.50 mass %, Co;

0 mass % to 0.50 mass %, Ni;

0 mass % to 0.50 mass %, and the balance;

Al and inevitable impurities, where Ti, B, Cu, Ag, Au, Mn, Cr, Zr, Hf, V, Sc, Co and Ni are arbitrary additive components of which at least one component may be contained or none of the components may be contained,

a density of a compound having a particle size of 0.5 to 5.0 μ

m and containing Fe being 1 to 300 particles/10000 μ

m².

2. The aluminum alloy conductor wire according to claim 1, wherein the composition contains at least one selected from a group comprising Ti:

0.001 mass % to 0.100 mass % and B;

0.001 mass % to 0.030 mass %.

3. The aluminum alloy conductor wire according to claim 1, wherein the composition contains at least one selected from a group comprising Cu:

0.01 mass % to 1.00 mass %, Ag;

0.01 mass % to 0.50 mass %, Au;

0.01 mass % to 0.50 mass %, Mn;

0.01 mass % to 1.00 mass %, Cr;

0.01 mass % to 1.00 mass %, Zr;

0.01 mass % to 0.50 mass %, Hf;

0.01 mass % to 0.50 mass %, V;

0.01 mass % to 0.50 mass %, Sc;

0.01 mass % to 0.50 mass %, Co;

0.01 mass % to 0.50 mass %, and Ni;

0.01 mass % to 0.50 mass %.

4. The aluminum alloy conductor wire according to claim 1, wherein the composition contains Ni:

0.01 mass % to 0.50 mass %.

5. The aluminum alloy conductor wire according to claim 1, wherein a total of contents of Fe, Ti, B, Cu, Ag, Au, Mn, Cr, Zr, Hf, V, Sc, Co, and Ni is 0.01 mass % to 2.00 mass %.

6. The aluminum alloy conductor wire according to claim 1, wherein the aluminum alloy conductor wire is an aluminum alloy wire having a diameter of 0.1 mm to 1.5 mm.

7. An aluminum alloy stranded wire comprising a plurality of aluminum alloy conductor wires as claimed in claim 6 which are stranded together.

8. A coated wire comprising a coating layer at an outer periphery of one of the aluminum alloy conductor wire as claimed in claim 6 and an aluminum alloy stranded wire comprising a plurality of aluminum alloy conductor wires which are stranded together.

9. A wire harness comprising:

a coated wire including a coating layer at an outer periphery of one of an aluminum alloy conductor wire and an aluminum alloy stranded wire, the aluminum alloy stranded wire comprising a plurality of the aluminum alloy conductor wires which are stranded together; and

a terminal fitted at an end portion of the coated wire, the coating layer being removed from the end portion,

wherein the aluminum alloy conductor wire has a composition comprising Mg;

0.1 mass % to 1.0 mass %, Si;

0.1 mass % to 1.20 mass %, Fe;

0.01 mass % to 1.40 mass %, Ti;

0 mass % to 0.100 mass %, B;

0 mass % to 0.030 mass %, Cu;

0 mass % to 1.00 mass %, Ag;

0 mass % to 0.50 mass %, Au;

0 mass % to 0.50 mass %, Mn;

0 mass % to 1.00 mass %, Cr;

0 mass % to 1.00 mass %, Zr;

0 mass % to 0.50 mass %, Hf;

0 mass % to 0.50 mass %, V;

0 mass % to 0.50 mass %, Sc;

0 mass % to 0.50 mass %, Co;

0 mass % to 0.50 mass %, Ni;

0 mass % to 0.50 mass %, and the balance;

Al and inevitable impurities, where Ti, B, Cu, Ag, Au, Mn, Cr, Zr, Hf, V, Sc, Co and Ni are arbitrary additive components of which at least one component may be contained or none of the components may be contained, and

a density of a compound having a particle size of 0.5 to 5.0 μ

m and containing Fe is 1 to 300 particles/10000 μ

m².

10. A method of manufacturing an aluminum alloy conductor wire having a composition comprising Mg:

0.1 mass % to 1.0 mass %, Si;

0.1 mass % to 1.20 mass %, Fe;

0.01 mass % to 1.40 mass %, Ti;

0 mass % to 0.100 mass %, B;

0 mass % to 0.030 mass %, Cu;

0 mass % to 1.00 mass %, Ag;

0 mass % to 0.50 mass %, Au;

0 mass % to 0.50 mass %, Mn;

0 mass % to 1.00 mass %, Cr;

0 mass % to 1.00 mass %, Zr;

0 mass % to 0.50 mass %, Hf;

0 mass % to 0.50 mass %, V;

0 mass % to 0.50 mass %, Sc;

0 mass % to 0.50 mass %, Co;

0 mass % to 0.50 mass %, Ni;

0 mass % to 0.50 mass %, and the balance;

Al and inevitable impurities, where Ti, B, Cu, Ag, Au, Mn, Cr, Zr, Hf, V, Sc, Co and Ni are arbitrary additive components of which at least one component may be contained or none of the components may be contained, a density of a compound having a particle size of 0.5 to 5.0 μ

m and containing Fe being 1 to 300 particles/10000 μ

m²,

the method comprising;

forming a rough drawing wire through hot working subsequent to melting and casting, and thereafter carrying out processes including at least a wire drawing process, a solution heat treatment process and an aging heat treatment process,

wherein a cooling rate during the casting is 0.1°

C./s to 5°

C./s.

11. A method of manufacturing an aluminum alloy conductor wire having a composition comprising Mg:

0.1 mass % to 1.0 mass %, Si;

0.1 mass % to 1.20 mass %, Fe;

0.01 mass % to 1.40 mass %, Ti;

0 mass % to 0.100 mass %, B;

0 mass % to 0.030 mass %, Cu;

0 mass % to 1.00 mass %, Ag;

0 mass % to 0.50 mass %, Au;

0 mass % to 0.50 mass %, Mn;

0 mass % to 1.00 mass %, Cr;

0 mass % to 1.00 mass %, Zr;

0 mass % to 0.50 mass %, Hf;

0 mass % to 0.50 mass %, V;

0 mass % to 0.50 mass %, Sc;

0 mass % to 0.50 mass %, Co;

0 mass % to 0.50 mass %, Ni;

0 mass % to 0.50 mass %, and the balance;

Al and inevitable impurities, where Ti, B, Cu, Ag, Au, Mn, Cr, Zr, Hf, V, Sc, Co and Ni are arbitrary additive components of which at least one component may be contained or none of the components may be contained, a density of a compound having a particle size of 0.5 to 5.0 μ

m and containing Fe being 1 to 300 particles/10000 μ

m².

the method comprising;

forming a rough drawing wire through hot working subsequent to melting and casting, and thereafter carrying out processes including at least a wire drawing process, a solution heat treatment process and an aging heat treatment process,

wherein a cooling rate during the casting has a value greater than 5°

C./s, and a temperature increasing rate during the solution heat treatment is less than or equal to 20°

C./s between room temperature and 550°

C.