Dresden 2009 – wissenschaftliches Programm
Bereiche | Tage | Auswahl | Suche | Downloads | Hilfe
MM: Fachverband Metall- und Materialphysik
MM 44: Quasicrystals II
MM 44.2: Vortrag
Donnerstag, 26. März 2009, 14:15–14:30, IFW B
Mechanical behavior of Al-based metal matrix composites reinforced with Al-Cu-Fe quasicrystalline particles — •Fahad Ali1, Sergio Scudino1, Gang Liu2, Kumar Babu Surreddi1, Mira Sakaliyska1, Vikas C. Srivastava3,4, Volker Uhlenwinkel4, and Jürgen Eckert1,5 — 1IFW Dresden, Institut für Komplexe Materialien, Dresden, Germany — 2State Key Laboratory for Mechanical Behavior of Materials and School of Materials Science and Engineering, Xian Jiaotong University, China — 3Metal extraction & Forming Division, National Metallurgical Laboratory, Jamshedpur, India — 4Institut für Werkstofftechnik, Universität Bremen, Bremen, Germany — 5TU Dresden, Institut für Werkstoffwissenschaft, Dresden, Germany
Al-based metal matrix composites reinforced with Al62.5Cu25Fe12.5 quasicrystalline particles have been produced by powder metallurgy. Composites with different volume fractions of reinforcement have been consolidated into highly dense bulk specimens by hot extrusion and the resulting effects on mechanical properties and microstructure have been examined in detail. Considerable increase in compressive strength and Young modulus has been observed in the composites samples as compared to pure Aluminum. Finally, the elastoplastic deformation of the composites containing different volume fractions of quasicrystalline particles have been modeled by using the self-consistent effective medium approach.