用常规固相合成法成功地制备出Fe2O3和Cr2O3掺杂改性的尖晶石型红外辐射材料,并通过XRD、IR和IRE-2红外辐射仪测试了材料的微观结构,进而分析了材料的结构特征与红外辐射性能的关系,发现Fe2O3和Cr2O3的掺杂导致Fe3+和Cr3+分别以一定的配位形式进入体系中,并形成了(Mg,Fe)(Cr,Al)2O4混合型尖晶石结构,且随着体系中Fe2O3含量的提高,Cr2O3含量的降低,材料的红外辐射性能得到了很大改善,体系在全波段的辐射率为0.91,在＜8μm波段具有较低的红外辐射率,而在8～25μm波段的具有较高的辐射率,可达0.97.
参考文献
| [1] | Jiemo Tian;Zhu W R;Li H D .Infrared radiant emissivities of ceramics with spinel structure[J].International Journal of Infrared and Millimeter Waves,1993,14(09):1855-1863. |
| [2] | Srinivassn T T;Srivastava C M;Venkataramani N;Patni M J .Infrared absorption in spinel ferrites[J].Bulletin of Materials Science,1984,6(06):1063-1067. |
| [3] | GEOFFREY C. ALLEN;MICHAEL PAUL .Chemical Characterization of Transition Metal Spinel-Type Oxides by Infrared Spectroscopy[J].Applied Spectroscopy: Society for Applied Spectroscopy,1995(4):451-458. |
| [4] | Badarinath K V S .The far infrared spectra of MgAl2-xFexO4 spinel[J].Physical Status Solidi A Applied Research,1985,91(01):K19-K22. |
| [5] | Kohara S;Tomita Y.[A].,1993:163-168. |
| [6] | Isao Kanesaka;Yuichi Hayashi;Yoshiyuki Morioka .On Infrared Intensities of Spinel,MgAl_2O_4[J].Bulletin of the Chemical Society of Japan,2005(7):1256-1258. |
| [7] | Windisch CF.;Ferris KF.;Exarhos GJ.;Sharma SK. .Conducting spinel oxide films with infrared transparency[J].Thin Solid Films: An International Journal on the Science and Technology of Thin and Thick Films,2002(0):89-99. |
| [8] | 胡传炘.隐身涂层技术[M].北京:化学工业出版社,2004 |
| [9] | Grimes N W .Interpretation of the infrared spectrum of spinels[J].Spectrochimica Acta Part A Molecular and Biomolecular Spectroscopy,1972,28A(11):2217-2225. |
| [10] | 闻辂.矿物红外光谱学[M].重庆:重庆大学出版社,1988 |
| [11] | 陆佩文.无机材料科学基础[M].武汉:武汉工业大学出版社,1996 |
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%