国家自然科学基金(51134007)

作品数:22被引量:105H指数:7
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相关作者:陈启元孙擎擎陈康华胡慧萍董朋轩更多>>
相关机构:中南大学天津市捷威动力工业有限公司中国工程物理研究院金川集团股份有限公司更多>>
相关期刊:《物理化学学报》《有色金属(冶炼部分)》《化学研究》《过程工程学报》更多>>
相关主题:铝合金电化学腐蚀7150铝合金SIMULATEDCOPPER更多>>
相关领域:理学冶金工程化学工程金属学及工艺更多>>
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Fixed-bed column study for deep removal of copper(Ⅱ) from simulated cobalt electrolyte using polystyrene-supported 2-aminomethylpyridine chelating resin被引量:3
《Journal of Central South University》2019年第5期1374-1384,共11页WANG Yu-hua HU Hui-ping QIU Xue-jing 
Project(2014CB643401)supported by the National Basic Research Program of China;Projects(51134007,51474256)supported by the National Natural Science Foundation of China;Project(2017TP1001)supported by the Hunan Provincial Science and Technology Plan Project,China
This study presents the deep removal of copper (Ⅱ) from the simulated cobalt electrolyte using fabricated polystyrene-supported 2-aminomethylpyridine chelating resin (PS-AMP) in a fixed-bed.The effects of bed height ...
关键词:deep removal of copper (Ⅱ) chelating resin simulated cobalt electrolyte fixed-bed column model fitting 
Synthesis of novel silica-supported chelating resin containing tert-butyl 2-picolyamino-N-acetate and its properties for selective adsorption of copper from simulated nickel electrolyte被引量:5
《Transactions of Nonferrous Metals Society of China》2018年第12期2553-2565,共13页Cai-xia WANG Hui-ping HU Xue-jing QIU Ze-ying CHENG Lu-jia MENG Li ZHU 
Project (2014CB643401) supported by the National Basic Research Program of China;Projects (51134007,51474256) supported by the National Natural Science Foundation of China;Project (2016TP1007) supported by the Hunan Provincial Science and Technology Plan Project in China
A novel silica-supported tert-butyl 2-picolyamino-N-acetate chelating resin (Si-AMPY-1) was successfully synthesized and characterized by elemental analysis, FT-IR, SEM and 13 C CP/MAS NMR. The adsorption behaviors of...
关键词:chelating resin selective adsorption copper removal simulated nickel electrolyte synthesis 
Effects of additives on zinc electrodeposition from alkaline zincate solution被引量:7
《Transactions of Nonferrous Metals Society of China》2017年第7期1656-1664,共9页Liang YUAN Zhi-ying DING Shi-jun LIU Wei-fa SHU Ya-ning HE 
Project(2014CB643401)supported by the National Basic Research Program of China;Projects(51134007,51404299)supported by the National Natural Science Foundation of China
The effects of additives on the surface and cross-sectional morphologies of zinc deposits on iron substrate from alkalinezincate solution were characterized by scanning electron microscope(SEM).The cathodic reaction m...
关键词:ELECTRODEPOSITION ZINC ADDITIVES alkaline zincate solution morphology 
Negative effects of dissolved organic compounds on settling performance of goethite in Bayer red mud被引量:5
《Transactions of Nonferrous Metals Society of China》2017年第2期429-439,共11页王梦 胡慧萍 刘锦伟 
Projects(51174231,51134007)supported by the National Natural Science Foundation of China
Goethite, a typical iron-containing monomineral in red mud, was synthesized under the simulated Bayer digestion condition during the alumina production. The effects of dissolved organic compounds including sodium ...
关键词:GOETHITE dissolved organic compound settling performance adsorption mechanism 
FT-IR、XPS和DFT研究水杨酸钠在针铁矿或赤铁矿上的吸附机理(英文)被引量:7
《物理化学学报》2016年第8期2059-2068,共10页胡慧萍 王梦 丁治英 姬广富 
supported by the National Natural Science Foundation of China (51134007, 51174231)~~
采用傅里叶变换红外(FT-IR)光谱、X射线光电子能谱(XPS)以及基于周期平面波的密度泛函理论(DFT)分别研究了水杨酸钠在针铁矿或赤铁矿表面上的吸附结构,并将计算得到的光电子能谱移动(CLS)和电荷转移与实验得到的XPS结果进行对比。FT-IR...
关键词:针铁矿 赤铁矿 水杨酸钠吸附 FT-IR XPS DFT计算 
不同热处理7150铝合金的点蚀电位与应力腐蚀敏感性被引量:9
《中国有色金属学报》2016年第7期1400-1407,共8页孙擎擎 陈启元 陈康华 
国家重点基础研究发展计划资助项目(2012CB619502;2010CB731701);国家自然科学基金重点资助项目(51134007);国家自然科学基金资助项目(51201186);湖南省自然科学基金资助项目(12JJ6040);国家重大科研仪器设备研制专项(51327902)~~
采用循环极化、U型样法、慢应变速率拉升、金相表征等手段对比研究热处理制度对7150铝合金电化学腐蚀性能和应力腐蚀性能的影响;并从TEM晶界析出相分布、晶界腐蚀形貌、点蚀发生发展机理以及应力腐蚀开裂机制等角度,对电化学参数与应力...
关键词:7150铝合金 第二点蚀电位 电位差 应力腐蚀敏感性 热处理 
Enhancing corrosion resistance of 7150 Al alloy using novel three-step aging process被引量:1
《Transactions of Nonferrous Metals Society of China》2016年第5期1201-1210,共10页孙睿吉 孙擎擎 谢跃煌 董朋轩 陈启元 陈康华 
Projects(51134007,51201186)supported by the National Natural Science Foundation of China;Project(51327902)supported by the Major Research Equipment Development,China;Projects(2012CB619502,2010CB731701)supported by the National Basic Research Program of China;Project(12JJ6040)supported by the Natural Science Foundation of Hunan Province,China
The effects of a novel three-step aging process (T76+T6) on the electrochemical corrosion behavior of 7150 extruded aluminum alloy were evaluated and compared with those of the conventional retrogression and re-agi...
关键词:7150 aluminum alloy novel three-step aging cyclic polarization electrochemical impedance spectroscopy 
微量Cl^-和温度对7150-T76铝合金电化学腐蚀性能的影响被引量:7
《中国腐蚀与防护学报》2016年第2期121-129,共9页孙擎擎 周文辉 谢跃煌 董朋轩 陈康华 陈启元 
国家自然科学基金重点项目(51134007);国家重大科研仪器设备研制专项项目(51327902)资助
利用开路电位、循环极化法和腐蚀形貌表征研究了微量Cl^-与温度对7150-T76超高强度铝合金电化学腐蚀性能的影响。结果表明:低温低Cl^-浓度的溶液中,铝合金主要发生点蚀;温度升高、Cl^-浓度增大,晶间腐蚀的倾向逐渐变大。微量Cl^-(20 mmo...
关键词:7150铝合金 微量Cl- 温度 循环极化曲线 电位参数 
热处理制度对含Yb航空铝合金电化学腐蚀行为的影响被引量:14
《中国有色金属学报》2016年第3期479-485,共7页孙擎擎 陈康华 陈启元 
国家自然科学基金重点项目(51134007);国家自然科学基金资助项目(51201186);国家重点基础研究计划资助项目(2012CB619502;2010CB731701);国家重大科研仪器设备研制专项(51327902)~~
采用开路电位-时间曲线以及循环极化曲线研究了不同时效制度对Al-6.2Zn-2.3Mg-2.3Cu-0.16Zr-0.18Cr-0.3Yb合金(质量分数,%)在10 mmol/L NaCl+0.1mol/L Na_2SO_4溶液中的电化学腐蚀性能的影响。结果表明:不同时效耐局部腐蚀与应力腐蚀的...
关键词:铝合金 热处理 电化学腐蚀 
AMPY-1用于镍电解阳极液净化除铜的研究被引量:1
《有色金属(冶炼部分)》2015年第10期10-13,共4页戴宽 刘云清 胡慧萍 程泽英 刘士军 陈启元 
国家重点基础研究发展计划(973计划)项目(2014CB643400);国家自然科学基金重点项目(51134007);国家自然科学基金面上项目(51474256)
以实验室自制的二元胺类化合物AMPY-1为萃取剂,研究了水相pH、氯离子浓度、硫酸根离子浓度对铜镍金属离子分配比的影响,测定了单一金属溶液的铜镍分离系数,模拟了镍电解液的除铜效果。结果表明,增加水相pH和氯离子浓度有利于铜离子的萃...
关键词:镍电解液 AMPY-1 萃取 净化除铜 
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