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), and plasticity reduction of this material. Therefore, its addition amount should be less than 0.07% (mass fraction). Key words:rare earths; commercial purity aluminum; Fe-rich impurity phases...Modification Behavior of Trace Rare Earth on Impurity Phases in Commercial Purity Aluminum 孙锋山1,傅高升1,任立英2,陈文哲2,钱匡武2 (1.Department of Mechanical Engineering;2.College of Materials Science......
the content of impurity was varied systematically. Microstructure observation shows that finer grains are existent in the alloy with lower impurity level. Tensile testing reveals that a reduction... of the microstructure variation with impurity reduction.关键词:......
Improved Corrosion Resistance in AZ61 Magnesium Alloys Induced by Impurity ReductionYan Dai1,Xian-Hua Chen1,2,Tao Yan1,Ai-Tao Tang1,2,Di Zhao1,Zhu Luo1,Chun-Quan Liu1,Ren-Ju Cheng2,Fu-Sheng Pan1,21. College of Materials Science and Engineering,Chongqing University2. Chongqing Academy of Science and Technology摘 要:The effect of impurity element Fe......
leach process, combining an environmentally suitable impurity removal process to recover cadmium. Optimum conditions were found as follows: H2SO4 concentration 90 g/L, liquid/solid ratio 6:1, leaching... of zinc is 99.2% under these conditions. Spherical cadmium particles showing nearly uniform size were produced by hydrogen reduction at 310 °C and the crystal structure was cubic. In addition, the purity......
J. Cent. South Univ. (2016) 23: 1326-1331 DOI: 10.1007/s11771-016-3183-0 Reduction smelting on bismuth oxide residue in FeO-SiO 2-CaO ternary slag system ZHANG Du-chao(张杜超), ZHANG Xin-wang(张新望... 410083, China Central South University Press and Springer-Verlag Berlin Heidelberg 2016 Abstract: Reduction smelting of the bismuth oxide residue from pressure leaching of bismuth sulfide was investigated......
, which is obviously improved compared with the 1248.47×10-6 in metallurgical Si. Key words: primary silicon; Al-Si alloy; electromagnetic stirring; directional solidification; impurity 1 Introduction... the impurities from it for the demand of SOG-Si, and it is considered a potential method for the cost reduction. Evidently, acid leaching can easily dissolve the impurities segregated in the grain......
Effect of rare earth cerium and impurity tin on the hot ductility of a Cr-Mo low alloy steel宋申华,徐野威,陈贤淼,姜雪Shenzhen Key Laboratory of Advanced Materials, Department of Materials Science... austenitized at 1300 oC and then cooled down to different temperatures in the range of 700–1050 oC, followed by tensile tests with the aid of a Gleeble machine. The reduction of area(RA) obtained from the test......
Effect of rare earth cerium and impurity tin on the hot ductility of a Cr-Mo low alloy steel宋申华,徐野威,陈贤淼,姜雪Shenzhen Key Laboratory of Advanced Materials, Department of Materials Science... austenitized at 1300 oC and then cooled down to different temperatures in the range of 700–1050 oC, followed by tensile tests with the aid of a Gleeble machine. The reduction of area(RA) obtained from the test......
J. Cent. South Univ. (2018) 25: 1590-1597 DOI: https://doi.org/10.1007/s11771-018-3851-3 Determination of trace impurity elements in MnZn ferrite powder by direct current glow discharge mass...-Verlag GmbH Germany, part of Springer Nature 2018 Abstract: An analytical method for the determination of 26 impurity elements (such as Li, Be, Na, Mg, Al, Si, P, S, K, Ca, Sc, Ti, V, Cr, Co, Ni, Ga......
