TY - GEN
T1 - Novel aluminum-carbon materials
AU - Jasiuk, Iwona
AU - Nilufar, Sabrina
AU - Salamanca-Riba, Lourdes
AU - Isaacs, Romaine
AU - Siddiqi, Sid
PY - 2013
Y1 - 2013
N2 - We characterize novel metal carbon materials called covetics. More specifically we study a warm-rolled aluminum alloy (Al 7075) with up to 5 wt% of carbon infused during processing. At the macroscale, we measured mechanical properties: Young's modulus, ultimate tensile strength (UTS), 0.2% yield strength (YS), and tensile elongation at failure. At the mesoscale, we measured Rockwell and Vickers hardness, and, at the microscale, we measured local elastic modulus and hardness using a nanoindentation technique. In parallel, we characterized the microstructure of these materials at different structural scales using scanning electron microscopy (SEM) and transmision electron microscopy (TEM). The following enhancements in properties over the corresponding base materials were observed: 1. higher strength (UTS, YS) 2. higher hardness (Rockwell, Vickers and nanoindentation) 3. larger elongation, and 4. lower density, as carbon content increased. In summary, the results show that Al 7075 covetics exhibit superior mechanical properties to the corresponding base metals, which makes them very good candidates for range of engineering applications.
AB - We characterize novel metal carbon materials called covetics. More specifically we study a warm-rolled aluminum alloy (Al 7075) with up to 5 wt% of carbon infused during processing. At the macroscale, we measured mechanical properties: Young's modulus, ultimate tensile strength (UTS), 0.2% yield strength (YS), and tensile elongation at failure. At the mesoscale, we measured Rockwell and Vickers hardness, and, at the microscale, we measured local elastic modulus and hardness using a nanoindentation technique. In parallel, we characterized the microstructure of these materials at different structural scales using scanning electron microscopy (SEM) and transmision electron microscopy (TEM). The following enhancements in properties over the corresponding base materials were observed: 1. higher strength (UTS, YS) 2. higher hardness (Rockwell, Vickers and nanoindentation) 3. larger elongation, and 4. lower density, as carbon content increased. In summary, the results show that Al 7075 covetics exhibit superior mechanical properties to the corresponding base metals, which makes them very good candidates for range of engineering applications.
KW - Covetic
KW - Metal-matrix composite
KW - Nanocarbon
KW - Nanomaterial
UR - http://www.scopus.com/inward/record.url?scp=84881110977&partnerID=8YFLogxK
UR - http://www.scopus.com/inward/citedby.url?scp=84881110977&partnerID=8YFLogxK
M3 - Conference contribution
AN - SCOPUS:84881110977
SN - 9781482205817
T3 - Technical Proceedings of the 2013 NSTI Nanotechnology Conference and Expo, NSTI-Nanotech 2013
SP - 27
EP - 30
BT - Technical Proceedings of the 2013 NSTI Nanotechnology Conference and Expo, NSTI-Nanotech 2013
T2 - Nanotechnology 2013: Advanced Materials, CNTs, Particles, Films and Composites - 2013 NSTI Nanotechnology Conference and Expo, NSTI-Nanotech 2013
Y2 - 12 May 2013 through 16 May 2013
ER -