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J. Korean Ceram. Soc. > Volume 39(11); 2002 > Article
Journal of the Korean Ceramic Society 2002;39(11): 1048.
doi: https://doi.org/10.4191/kcers.2002.39.11.1048
압출성형용 소지의 가소성과 연신율의 정량화
배원태, 신동우1
경상대학교 세라믹전공
1(주)나노
Quantitative Evaluation of Plasticity and Extension for Extruding Body
Won-Tae Bae, Dong-Woo Shin1
Department of Ceramic Engineering, Gyeongsang National University
1NANO Corporation
ABSTRACT
When forming the ceramic body with plastic mass, it is needed that a quantitative testing method for plasticity, not only to evaluate the plasticity of a body, but also to control it within limits. Although many testing instruments were introduced, but no handy testing instrument for the plasticity quantitatively has been developed. In this study, modified vicat needle was designed to handily evaluate the plasicity of extruding bodies for honeycomb. The plasticity of three plastic masses was tested with this equipment. Columned needle with 2 mm diameter was adopted to measure the resistance for deformation and spherical needle with 9.5 mm diameter was adopted to measure the amount of deformation before cracking. The plasticity of three tested bodies were clearly distinguished quantitatively each other and the testing results were helpful to evaluated the workability of theses bodies. Probably, it is possible to evaluate the plasticity of various ceramic bodies with this apparatus, if suitable diameters of columns and spheres are selected.
Key words: Quantitative evaluation, Plasticity, Extension, Extruding body
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