Raw Materials Cookbook 2008 - Alfred's Clay Store - Alfred University

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Raw Mats - Fall 2008 - Carlo Sammarco - NYSCC @ Alfred UniversityAlumina substrateReduction on the left; Oxidation on the right.Short-wave UVRegarding the test tiles under UV illumination:Both sets of tiles showed varying degrees of photoluminescence (refer to photo documentation). Thesewere viewed under Short Wave UV (254nm) and Long Wave UV (356nm).The C&J Porcelain tiles were again found to be more practical. In this case because the aluminatiles seemed to absorb the UV light, affecting the visual results to a small degree. This, along withthe porosity issue caused the C&J Porcelain to achieve much brighter results. We also found thatilluminating the substrates while placed on a matte black surface created a more accurate result.9
Raw Mats - Fall 2008 - Carlo Sammarco - NYSCC @ Alfred University1 4 0 01 2 0 01 0 0 0Temperture (C)8 0 06 0 04 0 02 0 000.874.959.0313.117.221.325.429.433.537.641.745.849.853.95862.166.270.274.378.482.586.690.694.798.8103107111115119123127131136140144148152Time (minutes)The information in the chart above was collected from equipment which monitored the microwave duringthe firing of our samples. Total firing time was 154 minutes. Top recorded temperature was 1301 o C(2373 o F). However, due to discrepancies in thermal couple equipment, we believe the top temperaturewas actually closer to 1538 o C (2800 o F).Nameplate from the UV light used for documentation(both short and long-wave UV).Gary and Sharie (Crash), chillin by the microwave.10
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