M. Jalil
Industrial Technology Division, Malaysian Institute for Nuclear Technology Research (MINT), 43000 Bangi, Selangor

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Effect of fly ash particle reinfo rcement on microstructure, porosity and hardness in Al-(Si-Mg) cast composites M.B. Harun; S.R. Shamsudin; H. Yazid; Z. Selamat; M.S. Sattar; M. Jalil
ASEAN Journal on Science and Technology for Development Vol. 23 No. 1-2 (2006): ASEAN Journal on Science and Technology for Development (AJSTD)
Publisher : Universitas Gadjah Mada

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (571.914 KB) | DOI: 10.29037/ajstd.98

Abstract

The microstructure of cast Al-4Si-Mg reinforcedwith fly ash particles at various particlecontents has been studied. The composites were fabricated by stir casting process andcharacterized by optical microscopy, image analyzer, scanning electron microscopy and hardness measurements. The results showed that particle contents affected to the presence oforosities and hardness of the composites. It was observed that increasing the fly ash contentincrease the porosity in the composites, with the matrix alloy reinforced with 15 wt.% of fly ash particles having the highest porosity and lowest hardness.