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Effect of Ca and Y additions on oxidation behavior of AZ91 alloy at elevated temperatures CHENG Su-ling(程素玲), YANG Gen-cang(杨根仓), FAN Jian-feng(樊建锋), LI You-jie(李佑杰), ZHOU Yao-he(周尧和... magnesium alloy, the effect of alloying elements, Ca and Y, on the oxidation behavior of AZ91 magnesium alloy at elevated temperatures was investigated. The ignition-proof performance, oxide products......
, surface area, and the mechanism of CO oxidation. The results show that, on XRD patterns, no evidence of CuO diffraction peaks is present until Cu loading is increased to 20%. The BET surface area... words:mesoporous CeO2; catalytic activity; CuO/CeO2; CO oxidation......
Shape-controlled synthesis of nanocubic Co3O4 by hydrothermal oxidation method YANG You-ping(杨幼平), HUANG Ke-long(黄可龙), LIU Ren-sheng(刘人生), WANG Li-ping(王丽平), ZENG Wen-wen(曾雯雯), ZHANG Ping-min(张平民... oxidation method. The effects of cobalt salt, precipitating agent, surfactant, solvent, pH value of the suspension and the amount of oxidant H2O2 on the morphology and structure of Co3O4 were investigated......
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Oxidation behavior of oxidation protective coatings for C/C-SiC composites at 1 500 ℃ YAN Zhi-qiao(闫志巧)1, 2, XIONG Xiang(熊 翔)1, XIAO Peng(肖 鹏)1, CHEN Feng(陈 峰)1, ZHANG Hong-bo(张红波)1, HUANG Bai... prepared by chemical vapor deposition(CVD) alternated with slurry painting were applied on C/C-SiC composites, respectively. The oxidation of three samples at 1 500 ℃ was compared. The results show......
J. Cent. South Univ. (2016) 23: 2999-3005 DOI: 10.1007/s11771-016-3363-y Oxidation and roasting characteristics of artificial magnetite pellets ZHANG Han-quan(张汉泉), LU Man-man(路漫漫), FU Jin-tao(付金涛... magnetite concentrate, artificial magnetite with more lattice defects and higher activity tends to be oxidized. And the artificial magnetite pellet at the temperature of 400 °C has the oxidation......
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Article ID: 1003-6326(2005)03-0491-06 Oxidation behavior of three-phase Cu-25Ni-30Cr alloy at 700-800℃ under high oxygen pressures CAO Zhong-qiu(曹中秋)1, 2, LIU Wei-hua(刘伟华)1, ZHAI... of the oxidation rate down to very low values. A larger chromium content needed to form chromia layer for a ternary three-phase alloy is attributed to the limitations to the diffusion of the alloy......
Oxidation behavior of Fe40Al-xWC composite coatings obtained by high-velocity oxygen fuel thermal spray XIANG Jun-huai(向军淮)1, 2, 3, ZHU Xing-he(朱星河)1, CHEN Gang(陈 钢)1, DUAN Zhi(段 智)1... into the oxidation behavior of the as-deposited coatings at 650 ℃ under 0.1 MPa flowing pure O2. The present results show differences in the oxidation behavior of Fe40Al coating and Fe40Al-xWC composite coatings......