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electrical resistance. Lanthanum may exist in the form of La2O3.关键词:...Influence of lanthanum on enhancement of mechanical and electrical properties of Cu-Al2O3 compositesYifan Zhang1,Zhen Ji1,Chengchang Jia1,Guimin Liu2,Farong Wan1,Qian Zhan11. School of Materials......
Introduction Due to their excellent properties such as high melting point, high electrical conductivity, high oxidation resistance and good chemical stability, transition metal diboride (ZrB2, HfB2) based...J. Cent. South Univ. (2012) 19: 887-891 DOI: 10.1007/s11771-012-1088-0 Fabrication and plasma arc thermal shock resistance of HfB2-based ultra high temperature ceramics WENG Ling(翁凌)1, HAN Wen-bo(韩文波......
emission electron scanning microscope(FE-SEM) and electron probe microscopic analysis(EPMA). The corrosion resistance of the anodized alloy and the substrate was evaluated in 5% NaCl solution using... analysis shows that the anodic coating exhibits the superior corrosion resistance for NZ30K alloy. Key words: Mg-Nd-Zn-Zr alloy; anodizing; corrosion resistance  ......
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J. Cent. South Univ. (2012) 19: 46-54 DOI: 10.1007/s11771-012-0971-z Corrosion resistance of waterborne epoxy coating pigmented by nano-sized aluminium powder on steel LIU Jian-hua(刘建华), ZHAN Zhong... test and neutral salt spray test were also conducted to investigate the corrosion resistance of the coating. It is demonstrated that the critical pigment volume content (CPVC) value is between 30......
Electrical conductivity of Cu-Ag in situ filamentary composites NING Yuan-tao(宁远涛), ZHANG Xiao-hui(张晓辉), WU Yue-jun(吴跃军) Kunming Institute of Precious Metals, Kunming 650221, China Research 18...; Abstract: The electrical conductivity of Cu-10Ag in situ filamentary composite was studied during the deformation and annealing processes. The dependence of electrical resistivity......
Electrical characteristics and microstructures of Pr6O11-doped Bi4Ti3O12 thin films CHEN Min(陈 敏)1, 2, HUANG Ke-long(黄可龙)2, MEI Xiao-an(梅孝安)1, HUANG Chong-qing(黄重庆)1, LIU Jing(刘 靖)1, CAI An-hui...=0.06 , 0.3, 1.2 and 1.5, I-E characteristics exhibit negative differential resistance behaviors and their ferroelectric hysteresis loops are characterized by large leakage current. Whereas for samples......
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J. Cent. South Univ. Technol. (2008) 15: 25-28 DOI: 10.1007/s11771-008-0006-y Effect of CaO doping on mechanical properties and thermal shock resistance of 10NiO-NiFe2O4 composite... resistance of 10NiO-NiFe2O4 composite ceramics were studied. The results show that the samples mainly consist of NiO and NiFe2O4 when content of CaO is less than 4%(mass fraction), bending strength......