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논문 상세정보

다성분계 산화물의 요업재료 제조를 위한 석유 증발 건조 방법

Hot Petroleum Drying Method to the Preparation of Multicomponent Oxide Ceramic Material

Abstract

As a wet chemical drying process "hot petroleum drying method" was applied and developed for preparing uniformly fine oxide powder with high purity and sinterreactivity. Using this method solution of sulfates was dried in hot petroleum bath (~17$0^{\circ}C$) to sulfate powder from which corresponding mullite doped by Fe3+ ion was formed. Particle size, shape, decomposition by heat, and phase identification of sulfate andoxide powders determined by DTA, TGA, X-ray diffraction, analysis and electron microscopy: sulfate powder prepared by this drying method is an intimate mixture of the amorphous form of uniformly and finely distributed spherical particles (0.05-0.1$\mu$). Mullitization with the sulfate powder occurs at 110$0^{\circ}C$ in air. The morphology of mullite particle made by firing the sulfate powder at 135$0^{\circ}C$ in oxygen atmosphere is granular of 0.1-0.3$\mu$ in size. This drying process proved to be a very effective method for preparing fine, homogeneous, and highly sinterreactive multicomponent oxide powder without conventional ceramic process of mixing, milling, and granulating. This process can be also applied for preparing electronic ceramic materials which are requisite for high purity and homogeneity.mogeneity.

저자의 다른 논문

참고문헌 (12)

  1. Kreselsaurebinder fur Kernguss , J. J. Evans , Foundry Trade Journal / v.113,pp., 1959
  2. Synthesis and Mechanical Propertics of Stoichiometric Aluminium Silicate(Mullite) , K. S. Mazdiyasni;L. M. Brown , J. Amer. Ceram. Soc. / v.55,pp.548, 1972
  3. Phasc Transformation in Silica Alumina Mixtures as Examined by Continuous X-ray Diffrraction , F. M. Wahl;R. E. Grim;R. B. Graf , Amer. Miner. / v.46,pp.1064, 1961
  4. Low-Temperature Heat Content of Mullite , L. B. Pankratz;W. W. Weller;K. K. Kelly , U.S. Bur. Mines. Rep. Invest / v.,pp.7, 1963
  5. Contribution to the Morphology of Mullite , W. Lohre;H. Urban , Ber. Deutsch. Keram. Ges. / v.37,pp.249, 1960
  6. A Cryochemical Method for Preparing Ceramic Material , F. J. Schnettler;F. R. Monforte;W. W. Rhodes , Science of Ceramics / v.4,pp.79, 1968
  7. Mullite , R. F. Davis;J. A. Pask;Allen M. Alper(ed.) , High Temperature Oxides / v.5-Ⅳ,pp.37, 1971
  8. Synthesis and Characterization of High Purity, Fine Gramed Mullite , B. B. Ghate;D. P. H. Hasselman;R. M. Spriggs , Amer. Ceram. Soc. Bull. / v.52,pp.670, 1973
  9. 변수일 , 안정된 ZrO₂의 소결에 대하여 / v.13,pp.44, 1976
  10. Preparation of Ceramic Powders from Sulfate Solutions by Spray Drying and Roasting , J. G. M. de Lau , Amer. Ceram. Soc. Bull. / v.48;49,pp.509;572, 1969
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  12. Subsolidus Relations between Mullite and Iron Oxide , W. E. Brownell , J. Amer. Ceram. Soc. / v.41,pp.226, 1958

이 논문을 인용한 문헌 (4)

  1. 1979. "Fabrication and Characterization of High Purity of Fine Alumina from Korean Alunite and Sulfate Salts" 요업학회지 = Journal of the Korean Ceramic Society, 16(1): 13~20 
  2. 1979. "Fabrication of Mn-Zn Ferrite by Hot Petroleum Drying Method" 요업학회지 = Journal of the Korean Ceramic Society, 16(2): 69~76 
  3. 1979. "Preparation and Characterization of Stabilized $ZrO_2$ by Wet Chemical Methods" 요업학회지 = Journal of the Korean Ceramic Society, 16(3): 155~163 
  4. 1981. "The Effect of Additions and Sintering Temperature on Magnetic Properties of Ni-Zn Ferrite" 요업학회지 = Journal of the Korean Ceramic Society, 18(2): 83~90 

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