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Influence of Natural Aging and Cold Deformation on the Mechanical and Electrical Properties of 6201-T81 Aluminum Alloy Wires

Published online by Cambridge University Press:  01 February 2011

E. Cervantes
Affiliation:
FIME-UANL, Av. Universidad S/N (CP 66451)
M. Guerrero
Affiliation:
FIME-UANL, Av. Universidad S/N (CP 66451)
J. A. Ramos
Affiliation:
Viakable, S.A. de C.V., Av. Conductores 505 (CP 66493), San Nicolás de los Garza, Nuevo León, MX, MEXICO Email: ecervantes@cmsa.com.mx or eva_setnavrec@hotmail.com
S. A. Montes
Affiliation:
Viakable, S.A. de C.V., Av. Conductores 505 (CP 66493), San Nicolás de los Garza, Nuevo León, MX, MEXICO Email: ecervantes@cmsa.com.mx or eva_setnavrec@hotmail.com
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Abstract

6201 aluminum alloy is mostly used in electrical conductors for overhead transmission lines due to its excellent mechanical and electrical properties besides to an excellent corrosion resistance. This alloy is heat treatable and the thermal treatment is performed with the objective of obtain the optimal properties for its application. In this work it was studied the effect of different deformation grades, time variation of natural aging as well as the time and temperature of artificial aging on the evolution of mechanical and electrical properties. It was found that solution treated wires at 560°C by 4h, 14 days natural aged, 92% cold deformed and artificial aged at 165°C by 7h, reach a tensile stress of 326 MPa and an electrical conductivity of 57.2%IACS (International Annealed Copper Standard).

Type
Research Article
Copyright
Copyright © Materials Research Society 2010

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Influence of Natural Aging and Cold Deformation on the Mechanical and Electrical Properties of 6201-T81 Aluminum Alloy Wires
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