1. Supersoft magnets made from nanoscale dispersions of Fe-Co in a ceramic matrix Supersoft magnets made from nanoscale dispersions of Fe-Co in a ceramic matrix Masood Hashemi Prof. Rishi Raj Dr. Atanu Saha Department of Mechanical Engineering University of Colorado at Boulder Research Project Presentation, October 15, 2004(P1/4) Research Project Presentation, October 15, 2004(P1/4)

2. Backgrounds Magnetic Properties Susceptibility, Ferromagnetic, Soft-Hard Magnets Susceptibility, Ferromagnetic, Soft-Hard Magnets Hysteresis Curve Ostwald ripening Many small crystals form in a system initially but slowly disappear except for a few that grow larger, at the expense of the small crystals. Many small crystals form in a system initially but slowly disappear except for a few that grow larger, at the expense of the small crystals. Polymer-derived Ceramics In this process an organic liquid precursor is crosslinked and pyrolyzed to produce the ceramic matrix. In this process an organic liquid precursor is crosslinked and pyrolyzed to produce the ceramic matrix. Research Project Presentation, October 15, 2004(P2/4) Research Project Presentation, October 15, 2004(P2/4)

3. Research approach and Techniques Making Fine Powder (Powder Metallurgy) Reduce the amount of Carbon Oxides reduction with Hydrogen Powder mixing with liquid Polymer Research Project Presentation, October 15, 2004(P3/4) Research Project Presentation, October 15, 2004(P3/4)

4. Heat treatment of polymer Materials testing -Magnetic Properties with magnetic atomic spectroscopy in NIST -XRD and SEM -Hot Consolidation and Microhardness testing Research Project Presentation, October 15, 2004(P4/4) Heat treatment of polymer Materials testing -Magnetic Properties with magnetic atomic spectroscopy in NIST -XRD and SEM -Hot Consolidation and Microhardness testing Research Project Presentation, October 15, 2004(P4/4)