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Direct Electroless Nickel Plating on AZ91D Magnesium Alloy from a Sulfate Solution and its Deposition Mechanism LI Guang-yu1,NIU Li-yuan1,JIANG Zhong-hao1,LIAN Jian-she1,GU Chang-dong1 (1.The Key... Ni on the AZ91D magnesium alloy, containing sulfate nickel, was given in this paper. The nucleation mechanism of Ni-P deposits on the AZ91D magnesium alloy was studied by using XRD and SEM.The......
sample analysis (mg/L) From the result listed in Table1, one can find that there are sulfate ion, calcium ion, magnesium ion, sodium ion and a small quantity of chloride ion in the water sample...J. Cent. South Univ. Technol. (2011) 18: 881-888 DOI: 10.1007/s11771-011-0777-4 Deterioration of concrete in railway tunnel suffering from sulfate attack LONG Guang-cheng(龙广成)1, XIE You-jun(谢友均)1......
of cement stabilized soils polluted by different contents of magnesium sulfate (MS), a series of tests were conducted on the cemented soil samples, including unconfined compression strength (UCS) tests... and embedded characteristics between the cement and granular soils from the SEM images of cemented soils. The microstructure analysis shows that the magnesium sulfate acts as the additive, which......
magnesium alloy and solution takes place. Key words: magnesium alloy; passive film; corrosion; fluoride; nickel sulfate sulfate will result in the activated magnesium alloy undergoing a replacement reaction with nickel ions. References [1] YU Gang, LIU Yue-long, LI Ying, YE Li......
Direct electroless Ni-P deposition on AM50 magnesium alloy from sulfate bath LI Guang-yu(李光玉), NIU Li-yuan(牛丽媛), JIANG Zhong-hao(江中浩), GU Chang-dong(谷长栋), LIAN Jian-she(连建设) Key Laboratory... electroless Ni-P deposition on AM50 magnesium alloy in a sulfate plating bath was proposed by using direct plating process with non-chromate pretreatment. The electroless Ni-P plating on AM50 magnesium......
Effect of Limestone Powder and Fly Ash on Magnesium Sulfate Resistance of Mortar刘数华State Key Laboratory of Water Resources and Hydropower Engineering Science, Wuhan University摘 要:The effect of limestone powder and fly ash on magnesium sulfate resistance of mortar was studied by testing on the strength, expansion and hydration products of the specimens......
Attack of Limestone Cement-based Material Exposed to Magnesium Sulfate Solution at Low Temperature张风臣,WU Shengxing,FANG Yonghao,ZHOU Jikai,LI ZhonghuaCollege of Mechanics and Materials, Institute... in all Portland cement-based materials. By means of physical and mechanical property testing as well as erosion phases analysis, magnesium sulfate attack of cement-based material containing 35......
Preparation of boric acid from low-grade ascharite and recovery of magnesium sulfate LI Jie(李 杰)1, FAN Zhan-guo(樊占国)1, LIU Yan-li(刘艳丽)1, LIU Su-lan(刘素兰)1, JIANG Tao(姜 涛)1, XI Zheng... time is 100 min. Meanwhile, the effects of mass fraction of magnesium sulfate, crystallization temperature and crystallization time on the crystallization of kieserite were investigated and the optimal......
; 文章编号:1672-7207(2013)07-2681-07 Extracting magnesium sulfate from acid-leaching solution of ludwigite by ethanol crystallization ZHANG Liqing1, 2, YUAN Benfu1, 2, ZHOU Huafeng1... Comprehensive Utilization of Boron Resource and Materials, Shenyang 110006, China) Abstract: A new method that magnesium sulfate crystal extracted from acid-leaching solution of ludwigite using ethanol......
Mechanistic study of ammonium-induced corrosion of AZ31 magnesium alloy in sulfate solutionHui Pan1,Liwei Wang2,Yi Lin1,Feng Ge1,Kang Zhao2,Xin Wang1,Zhongyu Cui11. School of Materials Science... of AZ31 magnesium alloy was investigated by immersion test, hydrogen evolution, electrochemical methods and morphology observation. The results demonstrate the acceleration effect of NH4+ on corrosion......