한국세라믹학회지 (Journal of the Korean Ceramic Society)

  • 제34권4호
  • /
  • Pages.394-398
  • /
  • 1997
  • /
  • 1229-7801(pISSN)
  • /
  • 2234-0491(eISSN)
한국세라믹학회 (The Korean Ceramic Society)
권호 표지

알콜탈수법에 의해 제조된 Mn-Zn Ferrite 분체의 주입성형

Slip Casting of Mn-Zn Ferrite Powders Prepared by Alcoholic Dehydration Method

  • 이경직 (경북대학교 무기재료공학과) ;
  • 이대희 (경북대학교 무기재료공학과) ;
  • 신효순 (경북대학교 무기재료공학과) ;
  • 이석기 (경북대학교 고분자공학과) ;
  • 김창현 (가야대학교 공학부) ;
  • 이병교 (경북대학교 무기재료공학과)
  • 발행 : 1997.04.01
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초록

Mn-Zn ferrite powders were prepared by alcoholic dehydration, using coprecipitation method. Then the effects of organic dispersant and polymeric binder concentration on stability and casting of slurry were discussed. Citric acid, the organic dispersant and polyvinylacohol(PVA), the non-ionic binder, were selected as additives of slurry. With variation of concentration of water, citric acid and polyvinylalcohol(PVA), optimum forming conditions were determined from viscosity and density. To compare with dry process, density and microstructure of sintered body formed by uniaxial die pressing were observed.

키워드

참고문헌

  1. Soft Ferrites Properties and Applications(2nd Edition) E.C. Snelling
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