TY - JOUR
T1 - High strength and high electrical conductivity of UFG Al-2%Fe alloy achieved by high-pressure torsion and aging
AU - Cubero-Sesin, J. M.
AU - Arita, M.
AU - Watanabe, M.
AU - Horita, Z.
PY - 2014
Y1 - 2014
N2 - In this study, Al-2%Fe samples extracted from a cast ingot in the shape of rings were processed by High-Pressure Torsion (HPT) at room temperature. Suitable specimens were extracted for evaluation of mechanical properties and electrical resistivity. High tensile strength of ∼600 MPa was attained by HPT due to grain refinement down to an average grain size of ∼130 nm and by subsequent aging accompanied by nano-sized (∼10 nm) AhFe precipitates. The resulting conductivity (IACS%) was recovered from ∼40% in the steady state after HPT to well above 50% in the peak-aged condition, which is in the range of current Al electrical alloys.
AB - In this study, Al-2%Fe samples extracted from a cast ingot in the shape of rings were processed by High-Pressure Torsion (HPT) at room temperature. Suitable specimens were extracted for evaluation of mechanical properties and electrical resistivity. High tensile strength of ∼600 MPa was attained by HPT due to grain refinement down to an average grain size of ∼130 nm and by subsequent aging accompanied by nano-sized (∼10 nm) AhFe precipitates. The resulting conductivity (IACS%) was recovered from ∼40% in the steady state after HPT to well above 50% in the peak-aged condition, which is in the range of current Al electrical alloys.
KW - aluminum alloys
KW - electrical conductivity
KW - high strength
KW - ultrafine grains
UR - http://www.scopus.com/inward/record.url?scp=84906347174&partnerID=8YFLogxK
U2 - 10.1088/1757-899X/63/1/012117
DO - 10.1088/1757-899X/63/1/012117
M3 - Artículo de la conferencia
AN - SCOPUS:84906347174
SN - 1757-8981
VL - 63
JO - IOP Conference Series: Materials Science and Engineering
JF - IOP Conference Series: Materials Science and Engineering
IS - 1
M1 - 012117
T2 - 6th International Conference on Nanomaterials by Severe Plastic Deformation, NanoSPD 2014
Y2 - 30 June 2014 through 4 July 2014
ER -