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Effect of Aluminium Content on Some Physical and Mechanical Properties of The compounds With Base of Ceramic | ||
| Tikrit Journal of Pure Science | ||
| Article 1, Volume 18, Issue 4, 2013, Pages 205-216 | ||
| Authors | ||
| Abdul Majeed E. Ibrahim; Raed N. Razooqi; Saif Amer Mahdi | ||
| Abstract | ||
| This research includes the study of the effect of the Aluminium (Al) addition as reinforcement material at a different weight percentages (4,8,12,16,20) % to ceramic matrix material formed from ( Silicon Dioxide , Oxide Chromium (III) , Titanium Dioxide ) with fixed ratios of elements (Co , Ni) for each of them , by using powder metallurgy technique with pressure of (5) tons were used for forming. We have studied the effect of the Aluminium addition on some physical and mechanical properties of prepared sample after sintered it at (1000 Cº) for (2hr) . The results shown that the Aluminium addition have been enhanced the physical and mechanical properties of the Composites samples , When increasing the proportion of aluminum from (% 4) to (% 20) we note that Apparent density , specific gravity and hardness of the composite (C): [ Cr2O3 + Al + Co + Ni ] for example, had improved by (% 3.2) , (% 4.8) and (% 13) respectively, as for Composites (B): [ TiO2+ Al+ Co+ Ni ] and (A): [SiO2 + Al + Co + Ni ] are similar behavior with composite (C) but at low rates according to form of the composite . It is also found that relation between the Aluminium addition with the porosity and water absorption for all compound is an inverse relation , while their relations with the apparent density , specific gravity and other mechanical is a direct relation exact . And the Composite (C) which is containing (Cr2O3) showed the best properties with for all additional rates as a comparing with the other Composites. | ||
| Keywords | ||
| Composite materials; Physical and Mechanical Properties; Powder Metallurgy Technique | ||
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