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with a maximum of 0.4% rare earth oxide impurities) is procured from Alfa Aesar (United States). The microstructure of loose yttrium powder is shown in Fig. 1(b). From Fig. 1(b), it can be observed... composites subjected to cryo-rolling was investigated. Yttrium addition enhances the mechanical properties of the composites by promoting grain refinement and precipitation. However, there is a clear......
Effect of Lanthanum and Yttrium on Microstructures of Cu-Cr alloys Zhang Meng1,Liu Guoming1,Shuai Gewang1,Yin Jianying1,Chen Xiaofang1 (1.School of Materials Science and Engineering, Nanchang.... These compounds distribute in the grains with sphere shape and on the grain-boundaries with slice shape. 关键词:Cu-Cr alloys; yttrium element; lanthanum element; microstructures; [全文内容正在添加中] ......
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Investigation of Adhesion and Fracture Toughness of Thermally Grown Oxide Scales by Interface Indentation Test P. Lours1,QI Yu-hong2,p. Bruckel1,ZHANG Zhan-ping2 (1.Research Centre on Tools... grown oxide scales for pure nickel were investigated using Vickers indentation technique. The nickel samples were oxidised at 1200℃ for 100h-600h. The crack length induced by Vickers indentation test......
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Nanostructured yttrium aluminum garnet powders synthesized by co-precipitation method using tetraethylenepentamine WANG Wenju1,LI Xianxue2 (1.Financial Division,Putian University,Putian... of Scien) Abstract:Tetraethylenepentamine (C_8H_(23)N_5, TEPA) has been used as a novel precipitant to synthesize yttrium aluminum garnet (Y_3Al_5O_(12),YAG) precursor from a mixed solution of aluminum......
improved by adding a little amount of rare earth yttrium. Yttrium could promote the oxide of Al formation and decreased the proportion of NiO. Yttrium increased the coherence between the oxide scale and the alloy substrate to decrease the spallation of oxide scale. Yttrium reduced the oxide grain size and the thickness of oxide layer.关键词:......
improved by adding a little amount of rare earth yttrium. Yttrium could promote the oxide of Al formation and decreased the proportion of NiO. Yttrium increased the coherence between the oxide scale and the alloy substrate to decrease the spallation of oxide scale. Yttrium reduced the oxide grain size and the thickness of oxide layer.关键词:......
Reaction mechanism between oxide film on surface of Al-Li alloy and CsF-AlF3 flux XUE Song-bai(薛松柏), ZHANG Ling(张 玲), HAN Zong-jie(韩宗杰), HUANG Xiang(黄 翔) College of Materials Science...; Abstract: The composition of the oxide film on the surface of Al-Li alloy was measured......
A New Family of Ce6MoO15 as Fast Oxide Ion Conductor Cao Xueqiang1,Lu Minfeng1,WANG Jingping1,Bo Qibing1,MENG Jian1,Feng Jing1,Zhang Deping1,Liu Jianfen1,Che Ping1,Fang Daqing1 (1.Key Laboratory... and oxide ionic conductivity were studied.Based on Ce6MoO15, rare earth element substitution on cerium site shows that all resulting oxides enhance the conductivity further, and have high oxide-ion......
