探讨添加Sc2O3对不同尖晶石化镁铝尖晶石的致密化和显微组织的影响.通过致密化研究、物相分析、元素定量分析和显微组织研究对烧结产物的性能进行表征.结果表明:添加Sc2O3有利于镁铝尖晶石的致密化,且相对于完全尖晶石化的镁铝尖晶石,Sc2O3对促进部分尖晶石化的镁铝尖晶石的烧结作用更显著.在1650℃烧结,Sc2O3添加量从0增加到4％(质量分数)时,部分尖晶石化原料的烧结产物的体积密度增加了0.243 g/cm3,完全尖晶石化原料的烧结产物的体积密度增加了0.14 g/cm3.与用完全尖晶石化粉末制备的烧结试样相比,以部分尖晶石化粉末为原料的烧结试样样具有更加致密的显微组织.
参考文献
| [1] | N.M. Khalil;M.B. Hassan;E.M.M. Ewais;F.A. Saleh.Sintering, mechanical and refractory properties of MA spinel prepared via co-precipitation and sol-gel techniques[J].Journal of Alloys and Compounds: An Interdisciplinary Journal of Materials Science and Solid-state Chemistry and Physics,20101/2(1/2):600-607. |
| [2] | L. Duraes;T. Matias;A.M. Segadaes.spinel synthesis by combustion and detonation reactions: A thermochemical evaluation[J].Journal of the European Ceramic Society,201212(12):3161-3170. |
| [3] | K. Moritz;C.G. Aneziris;D. Hesky.Magnesium Aluminate Spinel Ceramics Containing Aluminum Titanate for Refractory Applications[J].Journal of Ceramic Science and Technology,20142(2):125-130. |
| [4] | H. Klym;A. Ingram;I. Hadzaman.Evolution of porous structure and free-volume entities in magnesium aluminate spinel ceramics[J].CERAMICS INTERNATIONAL,20146(6):8561-8567. |
| [5] | Adrian Goldstein.Correlation between MgAl_O_4-spinel structure, processing factors and functional properties of transparent parts (progress review)[J].Journal of the European Ceramic Society,201211(11):2869-2886. |
| [6] | Mohan Ramisetty;Suri Sastri;Uday Kashalikar.Transparent polycrystalline cubic spinels protect and defend[J].American Ceramic Society bulletin,20132(2):20-25. |
| [7] | Oscar Borrero-Lopez;Angel L. Ortiz;Andrew D. Gledhill.Microstructural effects on the sliding wear of transparent magnesium-aluminate spinel[J].Journal of the European Ceramic Society,201212(12):3143-3149. |
| [8] | Lucile Lallemant;Johan Petit;Sylvie Lalanne.Modeling of the green body drying step to obtain large size transparent magnesium-aluminate spinel samples[J].Journal of the European Ceramic Society,20143(3):791-799. |
| [9] | S. Angappan;L. John Berchmans;C. O. Augustin.Sintering behaviour of MgAl_2O_4--a prospective anode material[J].Materials Letters,200417/18(17/18):2283-2289. |
| [10] | I. Ganesh.A review on magnesium aluminate (MgAl_2O_4) spinel: synthesis, processing and applications[J].International Materials Reviews,20132(2):63-112. |
| [11] | Ibram Ganesh;Susana M. Olhero;Avito H. Rebelo.Formation and Densification Behavior of MgAl_2O_4 Spinel: The Influence of Processing Parameters[J].Journal of the American Ceramic Society,20086(6):1905-1911. |
| [12] | K. Rozenburg;I. E. Reimanis.Chemical Interaction Between LiF and MgAl_2O_4 Spinel During Sintering[J].Journal of the American Ceramic Society,20077(7):2038-2042. |
| [13] | Hiragushi K.;Yu J..Abstracts of The 9th Annual Colloquium of Technical Association of Refractories, Japan Sintering Behavior of Spinel with Added TiO_2[J].Taikabutsu Overseas,19964(4):61-0. |
| [14] | H.S. Tripathi;S. Singla;A. Ghosh.Synthesis and densification behaviour of magnesium aluminate spinel: Effect of Dy_2O_3[J].CERAMICS INTERNATIONAL,20096(6):2541-2544. |
| [15] | Ritwik Sarkar;H.S. Tripathi;A. Ghosh.Reaction sintering of different spinel compositions in the presence of Y_2O_3[J].Materials Letters,200416(16):2186-2191. |
上一张
下一张
上一张
下一张
计量
- 下载量()
- 访问量()
文章评分
- 您的评分：
-
10%
-
20%
-
30%
-
40%
-
50%