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http://dx.doi.org/10.4191/kcers.2012.49.3.231

Plasticity Evaluation of Porcelain Body Depend on Aging Period and Water Content Change Using Capillary Rheometer  

Kim, Geun-Hee (Whiteware Ceramric Center, KICET)
Pee, Jae-Hwan (Whiteware Ceramric Center, KICET)
Kim, Jin-Ho (Whiteware Ceramric Center, KICET)
Kim, Young-Hwan (Kyeouggi Regional Small Medium Business Administration)
Cho, Woo-Seok (Whiteware Ceramric Center, KICET)
Kim, Kyeong-Ja (Whiteware Ceramric Center, KICET)
Publication Information
Journal of the Korean Ceramic Society / v.49, no.3, 2012 , pp. 231-235 More about this Journal
Abstract
Plasticity is the ability of clay to respond to pressure with a continuous and permanent change of shape in any direction without breaking apart, and hold that shape when released. In this work, the effect of water content and aging period on the plasticity of porcelain clay was evaluated using the capillary rheometer to measure the flow rate and the shear stress. The shear stress of porcelain clay was slightly increased with increasing the aging period, indicating that the plasticity of porcelain clay was influenced by an organic content. It was also observed that the water content in the porcelain clay had a great influence on the plasticity of porcelain clay. The shear stress with water content of 21 wt% was sharply increased with increasing shear rate, but the shear stresses with water contents of 24 and 27 wt% is gently incremented.
Keywords
Flow rate; Shear rate; Shear stress; Capillary rheometer; Plasticity;
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Times Cited By KSCI : 2  (Citation Analysis)
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