Physical Properties of the Sr4Al6O12SO4 Ceramic Compound

J.A. Rodríguez-García; E. Rocha-Rangel; J. López Hernández; C.A. Hernández Bocanegra; A.L. Leal Cruz; J.M. Almanza Robles; J. Torres Torres

doi:http://dx.doi.org/

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자료유형: 학술저널

저자정보: J.A. Rodríguez-García (Polytechnic University of Victoria) E. Rocha-Rangel (Polytechnic University of Victoria) J. López Hernández (Polytechnic University of Victoria) C.A. Hernández Bocanegra (Polytechnic University of Victoria) A.L. Leal Cruz (Universidad de Sonora) J.M. Almanza Robles (CINVESTAV-Unidad Saltillo) J. Torres Torres (CINVESTAV-Unidad Saltillo)

저널정보: 한양대학교 세라믹공정연구센터 Journal of Ceramic Processing Research Journal of Ceramic Processing Research 제18권 제11호

발행연도: 2017.11

수록면: 801 - 804 (4page)

DOI: http://dx.doi.org/

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The Sr4Al6O12SO4 ceramic compound was synthesized by a solid state reaction starting from stoichiometric mixtures of 3 : 3 : 1 molar ratio of reactive grade of SrCO3, Al2O3 and SrSO4, respectively. Cylindrical samples were confirmed by uniaxial pressing at 100 MPa and were heat treated at 1400 oC during 4 hrs. Subsequently, the samples were ground and re-conformed in cylindrical shape samples by uniaxial pressing at 300 MPa. The new samples were heat treated at 1400 oC during 24 hrs. This process was done in order to increase density of the samples. The Sr4Al6O12SO4 ceramic compound was characterized by the study of its physical properties such as: density, micro-hardness, thermal expansion and stability, enthalpy of formation, magnetic properties and electrical conductivity. Experimental results show that the maximum density obtained for the Sr4Al6O12SO4 ceramic compound was 2.913 grcm?3, with thermal expansion coefficient of 10.12E?06(oC?1); it also presents an enthalpy of 2.3 KJmol-1 and an excellent thermal stability at elevated temperatures in different atmospheres. In addition, the Sr4Al6O12SO4 ceramic compound is neither electrically conductive nor magnetic.

#Physical properties #Strontium compound #Solid state reactions #Ceramic materials.

참고문헌 (15)

참고문헌 신청

M.J. Duran / 1997 / Nonmetalic Product Group Informe / CAMIMEX 9:10~11

J. Griffihts / 1985 / Celestite: new production and processing developments / Industrial Mineral International Congress :21

R.E. Kira / 1962 / Strontium compounds, Encyclopedia of Chemical Technology / UTHEA :1

J.E. Ferrel / 1981 / Strontium, mineral facts and problems / U. S. Bureau of Mines :1

R.K. Collins / 1978 / Celestite in Canada / CIM Bulletin 84:130~250

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