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CeO2 powder was investigated.The phase evolutions of preparation process were characterized by XRD.SEM micrograph of the final product shows that compound CeO2 powders obtained are well-dispersed... compound CeO2 powders of different physical properties can be synthesized by controlling the above-mentioned influence factors in preparation process. Key words:ultrafine; compound CeO2 powder......
闪速燃烧合成Fe3Si-Si3N4复合粉体的基础研究 祝少军1,占华生1,孙加林1,薛文东1,陈俊红1 (1.北京科技大学材料科学与工程学院,北京,100083) 摘要:利用SEM和EDS等手段对原料FeSi75闪速燃烧合成产物的相组成和显微结构进行了分析.结果表明,产物Fe3Si-Si3N4复合粉体的结构单元是,以铁相材料为内核,外层包覆氮化硅的包裹体结构,其中铁相材料是Fe3Si和α-Fe,表层氮化硅大多呈柱状结晶的β-Si3N4存在,α-Si3N4以微小圆形颗粒形式存在于致密层中.并对Fe3Si-Si3N4复合原料的高温稳定性及应用进行了初步探讨. 关键词:Fe3Si-Si3N4复合粉体; 闪速燃烧; 包裹体; [全文内容正在添加中] ......
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granularity distribution in the particle size range of 2-3 μm. Key words: α-Al2O3; ultrafine powder; homogeneous precipitation; anion; mutual compound 1 Introduction Ultrafine alumina, with excellent... dispersed. 2) Homogeneous precipitation method is adopted by using mutual compound of aluminium sulphate and aluminium nitrate to prepare the ultrafine α-Al2O3 powder. The configuration, morphology......
X-ray Powder Diffraction Data and Structural Parameters for Compound NdFe0.6Sb2曾令民,覃文,吴世伟,郝建民,农亮勤摘 要:ＸｒａｙＰｏｗｄｅｒＤｉｆｒａｃｔｉｏｎＤａｔａａｎｄＳｔｒｕｃｔｕｒａｌＰａｒａｍｅｔｅｒｓｆｏｒＣｏｍｐｏｕｎｄＮｄＦｅ０．６Ｓｂ２ＺｅｎｇＬｉｎｇｍｉｎ,ＱｉｎＷｅｎａｎｄＷｕＳｈｉｗｅｉ(曾令民)(覃文)(吴世伟)ＩｎｓｔｉｔｕｔｅｏｆＭａ...关键词:......
530023, China摘 要:A new ternary compound La8Al13Sn3 was synthesized and studied by means of X-ray powder diffraction technique. The compound La8Al13Sn3...New ternary compound La8Al13Sn3HE Weia, XIA Xiuwena, ZHANG Jilianga, HUANG Jinlia, b, and LIU Yixina a Key Laboratory of Nonferrous Metal Materials and New Processing Technology (Ministry......
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