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Linear regression analysis of oxygen ionic conductivity in co-doped electrolyte XIE Guang-yuan(谢光远)1, LI Jian(李 箭)2, PU Jian(蒲 健)2, GUO Mi(郭 密)1 1. School of Materials... based on the assumptions that the electronic conduction and defect association can be neglected. A linear regression method was employed to determine the parameters in the model. This model......
Surface tension of molten Ni-(Cr, Co, W) alloys and segregation of elements XIAO Feng(肖 锋)1, LIU Lan-xiao(刘兰霄)1, YANG Ren-hui(杨仁辉)1, ZHAO Hong-kai(赵红凯)1, FANG Liang(方 亮)2, ZHANG Chi(张 弛)1 1.... The segregation of Cr, Co and W in alloy was calculated and analyzed using Butler’s equation. The results show a good agreement between measured and calculated data. The surface tension of molten Ni-(Cr......
Trans. Nonferrous Met. Soc. China 20(2010) s837-s841 Influence of surface liquid segregation on corrosion behavior of semi?solid metal high pressure die cast aluminium alloys E. P... and that of the Cu-enriched surfaces of the SSM-HPDC alloys. Key words: semi-solid metal (SSM) forming; wrought aluminium alloys; alloy 7075; alloy 2024; corrosion; surface liquid segregation 1......
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Nonlinear current-voltage characteristics originated from phase segregation and micro-cracks in polycrystalline La0.67Ba0.33MnO3崔益民,刘伟,潘晖Key Laboratory of Micro-Nano Measurement-Manipulation.... Linear current-voltage characteristics were observed in the as-prepared and the 10 h annealed samples, and nonlinear current-voltage characteristics was found in the 100 h annealed sample. At the same......
Nonlinear current-voltage characteristics originated from phase segregation and micro-cracks in polycrystalline La0.67Ba0.33MnO3崔益民,刘伟,潘晖Key Laboratory of Micro-Nano Measurement-Manipulation.... Linear current-voltage characteristics were observed in the as-prepared and the 10 h annealed samples, and nonlinear current-voltage characteristics was found in the 100 h annealed sample. At the same......
Trans. Nonferrous Met. Soc. China 23(2013) 3257-3264 Effect of carbon and boron additions on segregation behavior of directionally solidified nickel-base superalloys with rhenium Qin HU1,2, Lin LIU1... Academy of Ordnance Science, Ningbo 315103, China Received 22 November 2012; accepted 24 June 2013 Abstract: The phase transformation temperature, segregation behavior of elements and as-cast......
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Effect of cobalt on chemical segregation and solution process in Re-containing single crystal superalloys WANG Wen-zhen(王文珍)1, 2, JIN Tao(金 涛)1, ZHAO Nai-ren(赵乃仁)1, WANG Zhi-hui(王志辉)1, SUN Xiao... 100039, China Received 28 July 2006; accepted 15 September 2006 Abstract: The effect of cobalt on chemical segregation and solution process in three nickel base single crystal superalloys......
. The diffusion coefficients of alloying elements at 1 140 °C were obtained by fitting the linear relationship between ln δ (δ: residual segregation index) and time. The calculation results of diffusion coefficients were compared with other two commercial Nb-bearing superalloys. Key words: INCONEL718; superalloy; homogenization; Laves phase; segregation 1 Introduction Ni-based superalloys......
