RT Journal Article
T1 Influence of Temperature on Mechanical Properties of AMCs
A1 Caballero, Eduardo S.
A1 Ternero Fernández, Fátima
A1 Urban, Petr
A1 Gómez Cuevas, Francisco de Paula
A1 Cintas Físico, Jesús
AB This research focused on studying the effect of temperature on the mechanical propertiesof aluminium matrix composites (AMCs) obtained by a powder metallurgy route. Aluminiumpowder was milled at room temperature for 5 h and using different atmospheres in order toachieve different amounts of reinforcement. The atmospheres employed were vacuum, confinedammonia, and vacuum combined with a short-time (5 and 10 min) of ammonia gas flow. Aftermechanical alloying, powders were consolidated by cold uniaxial pressing (850 MPa) and vacuumsintering (650 °C, 1 h). Hardness and tensile tests, on consolidated samples, were carried out atroom temperature. Subsequently, the effect of temperature on both properties were evaluated. Onone hand, the UTS and hardness were measured, again at room temperature, but after havingsubjected the sintered samples to a prolonged annealing (400 °C, 100 h). On the other hand, thetensile and hardness behaviour were also studied, while the samples are at high temperature, inparticular 250 °C for UTS, and in the range between 100 and 400 °C for hardness. Results show thatthe use of ammonia gas allows achieving mechanical properties, at room and high temperature,higher than those of the commercial alloys EN AW 2024 T4, and EN AW 7075 T6.
PB MDPI
SN 2075-4701
YR 2020
FD 2020-06
LK http://hdl.handle.net/10272/18348
UL http://hdl.handle.net/10272/18348
LA eng
NO Caballero, E. S., Ternero Fernández, F., Urban, P., Gómez Cuevas, F.  & Cintas, J. (2020). Influence of Temperature on Mechanical Properties of AMCs. Metals, 10(6), 783. DOI: https://doi.org/10.3390/met10060783
DS Repositorio Institucional de la Universidad de Huelva
RD 1 jun 2026