PENGARUH PENAMBAHAN Sr ATAU TiB TERHADAP STRUKTUR MIKRO DAN FLUIDITAS PADA PADUAN Al-6%Si-0,7%Fe
Abstract: The aim of work is
to study influence of Sr or TiB addition to the microstructure and fluidity of
Al-6%Si-0,7%Fe alloys on sand casting process. Al-6%Si-0,7%Fe were melted in
crucible furnace at 7300 C and added Sr or TiB. The fluidity of the molten
metals were being measured by Birmingham method. The microstructure changes
were studied by optical microscope. The results show that the addition of Sr in
Al-6%Si-0,7%Fe alloy modify the morphology of the eutectic silicon phase from a
coarse platelike structure to fine fibrous structure. The additional of TiB in
Al-6%Si-0,7%Fe alloys result fine fibrous structure. The Addition Sr or TiB in
Al-6%Si-0.7%Fe alloys decreases fluidity of the molten metals.
Penulis: Suherman
Kode Jurnal: jptmesindd090129
