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J. Korean Ceram. Soc. > Volume 36(11); 1999 > Article
Journal of the Korean Ceramic Society 1999;36(11): 1150.
재분쇄 조건이 Mn-Zn Ferrite의 미세구조에 미치는 영향
추호성, 이대희, 이석기1, 상희선2, 이병교
경북대학교 무기재료공학과
1경일대학교 공업화학과
2경일대학교 안정공학과
Effect of Regrinding Condition on Microstructure in Mn-Zn Ferrite
Among the processing parametes know to lead the abnormal grain growth in the preperation of Mn-Zn ferrite the effects of regrinding slurry condition and regrinding time on the microstructure were investigated. The abnormal grain growth was observed with increasing powder fraction in initial slurry and regrinding time. Abnormal grain growth was observed from the specimens prepared from the powders regrined at 15/85 (powder/water vol%) and 16.5/83.5 conditions for 60 h however the particle size distribution in the powders was similar to that of powders regrinded at the above slurry conditions for 40h The result was different from the Chol's results. The abnormal grain growth in this study is likely attributed to increased powder activity
Key words: Mn-Zn Ferrite, Microstructure, Particle Size, Abnomal grain growth
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