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Effect of Forming Methods on the Properties of Controlled Porous Ceramics | ||
| Engineering and Technology Journal | ||
| Article 1, Volume 26, Issue 1, 2008, Pages 16-28 PDF (406.33 K) | ||
| DOI: 10.30684/etj.26.1.2 | ||
| Authors | ||
| Wafaa Abdulkhliq Al-Rawi; Hadi Salman Al-Lami | ||
| Abstract | ||
| Two methods of forming, namely, semi-dry press and slip casting were used to fabricate porous ceramics from local raw materials, kaolin and silica. Different wt.% of aluminum-zinc mixture powders were used as gas creative agent in chemical swelling method to create porosity in ceramic slurry before forming. Dried formed ceramics were fired at four different firing temperatures of (900, 1000, 1100 and 1200)°C. It was found that the forming technique has a great effect on the properties of the fabricated porous ceramics. From porosity point of view, slip casting is better technique to produce high porous ceramics, but semi-dry pressing seems to be good for other physical properties and mechanical properties. | ||
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