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EVALUATION THE USE OF IRAQI PORCELANITE ROCKS AS LOOSE ABRASIVE POWDERS | ||
| Iraqi Journal of Science | ||
| Article 1, Volume 49, Issue 1, 2008, Pages 159-169 | ||
| Abstract | ||
| Applied study was carried out on the Iraqi porcelanite rocks to determine their capability and uses as a loose abrasive powder to abrade copper and aluminium, being soft metals and commonly used in different industrial purpose. Three different samples of porcelanite were selected from three different places in the Iraqi western desert, and which were as follows: Safra member sample (Late Cretaceous), Traifawi member sample (Early Paleocene)- Akashat location and Traifawi member sample (Early Paleocene)- H3 location. Chemical, mineralogical analyses and microscopic studies were carried out on those samples. The three samples were ground at different time intervals. Discoidal samples of copper and aluminium metals were polished by using specimens of powdered porcelanite samples of different grains size ranging between (75-250) μm and (36-63) μm. The metal samples then buffed using two grains size as (20-36)μm and < 20 μm respectively. Evalution tests including surface roughness test (Ra) and Reflectivity test (R%) were carried out on copper and aluminium samples. The results showed that Iraqi porcelanite samples were good enough for abrading those two metals. | ||
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