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Micro Structural Properties of Stir Casted Az31 Magnesium Alloy-Casio3 Composites


Penugonda suresh babu k. L. Narayana,v. V. Kondaiah
Abstract

By using a Scanning Electron Microscope (SEM) and EnergyDispersive Spectrometer (EDS), the Microstructural and chemical composition analysis of samplesare carried out in the present workto determine the mapping and composition ofMagnesium alloys(AZ31) which are fabricated by stir casting process with Calcium silicate (CaSiO3) as an additive by 0 to 8 % with variation of 2% in weight. The results showed that, in pure Magnesium alloy of AZ31 (S-1 sample with Al-3%, Zn-1% & Mg-96%) the maximum magnesium content in its weight percentage as 88.72% with a slight presence of oxygen as 3.66%. But, by the addition of Calcium silicate by 2% in S-2 sample, the oxygen percentage is increased from 3.66 to 4.78,but magnesium gets reduced to 88.22% from 88.72%. Likewise, the oxygen percentage is increased to a maximum of 12.60 in S-5 sample after adding 8% of CaSiO3. And at the same time due to the incremental addition of CaSiO3, the aluminium weight percentage gets reduced gradually from 3.17 in S-1 sample to 2.54%in S-5 sample.

Volume 12 | Issue 6

Pages: 2315-2324

DOI: 10.5373/JARDCS/V12I6/S20201190