Aluminum alloy wire material
Recrystallization of an aluminium alloy wire material is suppressed while a heat resistance of the same is improved. In a wire material made of an aluminium alloy, an aluminium alloy wire material is provided, the aluminium alloy containing Zr of 0.2 to 1.0 mass %, Co of 0.1 to 1.0 mass % and remainders that are aluminium and unavoidable impurities, and the aluminium alloy wire material having a tensile strength at a room temperature that is equal to or higher than 170 MPa, an elongation that is equal to or higher than 10%, and a stress at time of tensile deformation at a strain speed of 10 −5 /sec under a temperature condition of 250° C. that is equal to or higher than 40 MPa.
1. An aluminium alloy wire material made of an aluminium alloy,
wherein the aluminium alloy contains Zr of 0.2 to 1.0 mass %, Co of 0.1 to 1.0 mass % and remainders that are aluminium and unavoidable impurities,
a tensile strength at a room temperature is equal to or higher than 170 MPa,
an elongation is equal to or higher than 10%, and
a stress at time of tensile deformation at a strain speed of 10 −5 /sec under a temperature condition of 250° C. is equal to or higher than 40 MPa.
2. An aluminium alloy wire material made of an aluminium alloy,
wherein the aluminium alloy contains Zr of 0.2 to 1.0 mass %, Ni of 0.1 to 1.0 mass % and remainders that are aluminium and unavoidable impurities,
a tensile strength at a room temperature is equal to or higher than 170 MPa,
an elongation is equal to or higher than 10%, and
a stress at time of tensile deformation at a strain speed of 10 −5 /sec under a temperature condition of 250° C. is equal to or higher than 40 MPa.
3. The aluminium alloy wire material according to claim 1 ,
wherein the aluminium alloy further contains Fe of 0.02 to 0.15 mass % and Ti of 0 to 0.10 mass %.
4. The aluminium alloy wire material according to claim 2 ,
wherein the aluminium alloy further contains Fe of 0.02 to 0.15 mass % and Ti of 0 to 0.10 mass %.
5. The aluminium alloy wire material according to claim 1 ,
wherein an electrical conductivity at the room temperature is equal to or higher than 55% IACS.
6. The aluminium alloy wire material according to claim 2 ,
wherein an electrical conductivity at the room temperature is equal to or higher than 55% IACS.
7. The aluminium alloy wire material according to claim 1 ,
wherein the aluminium is equal to or greater than 98.4 mass %.
8. The aluminium alloy wire material according to claim 2 ,
wherein the aluminium is equal to or greater than 98.4 mass %.
9. The aluminium alloy wire material according to claim 2 ,
wherein the aluminium alloy does not contain Co.