Akademik Veri Yönetim Sistemi
TMS2011 SUPPLEMENTAL PROCEEDINGS, VOL 2: MATERIALS FABRICATION, PROPERTIES, CHARACTERIZATION, AND MODELING, cilt.2, ss.837-842, 2011 (SCI-Expanded)
In the present work, AlSi9Mg alloy matrix composites
reinforced with 10, 15 and 20% (wt.) B4CP were produced by casting route at 850
°C. Titanium-containing flux (K2T1F6) was used to overcome the wetting problem
between B4C and liquid aluminium metal. The microstructure of
matrix/reinforcement interfaces were investigated with SEM studies. The
reaction layer was also characterized with EDS analysis and X-ray mapping. It
was found from the microstructural observations by high resolution field
emission gun SEM (FEGSEM) that the wetting improved by the formation of very
thin (80-180 nm in thickness) TiC and T1B2 reaction layers. The samples were
subjected to pin-on-disc wear tests against AISI 4140 pin under dry sliding
conditions. The worn surface was studied through SEM and EDS analysis. It has
seen that, wear resistance increased as particle volume fraction increased.