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ratio of 10:3:1.5. Thermogravimetry-differential scanning calorimetry (TG-DSC), Fourier transform infrared (FTIR) spectrum, X-ray diffractometry (XRD), and scanning electron microscopy (SEM) were used... behaviors were measured by TG-DSC instruments (SDT Q600, TA Instrument, American) with a heating rate of 10 °C/min in flowing N2. Fourier transform infrared (FTIR) spectra were recorded on an infrared......
备60%LiCoO2-40%LiNi0.5Mn0.3Co0.2O2(摩尔分数)复合材料,采用X射线衍射(XRD)和场发射扫描电镜(FESEM)对试样的显微组织和形貌进行表征,采用差热分析(TG-DSC)和过充试验测试该材料的安全性能.结果表明:与物理混合材料相比,复合材料具有很好的层状结构.混合烧结法通过前驱体的烧结使两种材料晶粒产生了融合,而产生晶粒融合的材料既保持了LiCoO2的高体积能量密度... characterized by X-ray diffraction (XRD) and field emitted scanning electronic microscopy (FESEM). The safety performance was analyzed by TG-DSC and abuse test. The results show that, compared......
剂的CO2吸附性能.通过X线衍射(XRD),扫描电镜(SEM),热重分析(TG-DSC),傅里叶变换红外光谱(FTIR)等分析方法对复合材料结构,形貌,热稳定性,表面官能团等进行表征;考察x和焙烧温度等因素对复合材料CO2吸附性能的影响.研究结果表明:当x=3,焙烧温度为600 ℃时,复合材料Ti1Li3Al4/3DC的CO2吸附量最高,为58.2 mg/g,且10 次循环后的吸附稳定性良好. 关... group were characterized using X-ray diffractometer (XRD), scanning electron microscopy(SEM), thermogravimetric- differential scanning calorimeter(TG-DSC) and Fourier transform infrared(FTIR).The effects......
, and the microstructures and mechanical properties of the sintered bodies were investigated by rheometer, TG-DSC, SEM and bending strength testing, respectively. The results show that, (1) 10 mg/mL of the initiator... with a frequency of 1 Hz and a strain of 0.4% was used to study the polymerization of the HEMA system. Thermogravimetric differential scanning calorimetry (TG-DSC) measurement was performed using......
文章编号:1004-0609(2015)10-2913-08 低品位钼精矿石灰焙烧-酸浸提取钼 陈许玲1,王海波1,甘 敏1, 2,范晓慧1,张 麟2,邓 琼1,王 勇2,曾金林1 (1. 中南大学 资源加工与生物工程学院,长沙 410083; 2. 大冶有色金属集团控股有限公司,黄石 435100) 摘 要:采用XRD和TG-DSC分... with addition of calcium oxide by the methods of XRD and TG-DSC, and the optimum conditions of calcium-based roasting and acid leaching were determined. The result of TG-DSC shows that the reactions......
400044, China Received 20 October 2010; accepted 20 January 2011 Abstract: The oxidation process of low-grade vanadium slag in the presence of Na2CO3 was investigated by XRD, SEM/EDS and TG-DSC... in the presence of Na2CO3 at different temperatures. The change in mineralogy of vanadium slag was studied by XRD, SEM/EDS and TG-DSC techniques, the effect of roasting temperature on vanadium extraction......
文章编号:1004-0609(2012)08-2295-07 聚丙烯酰胺凝胶法制备纳米BeO粉体前驱体的热分解过程及结晶机理 王小锋1, 2,王日初1,彭超群1,李婷婷1,刘 兵1 (1. 中南大学 材料科学与工程学院,长沙 410083; 2. 中南大学 冶金科学与工程学院,长沙 410083) 摘 要:采用聚丙烯酰胺凝胶法制备纳米BeO粉体,通过TG-DSC,XRD和... by the polyacrylamide gel method. The thermal decomposition process of precious gel and the properties of the obtained powder were investigated by TG-DSC, XRD and SEM, and the crystalline mechanism......
TG-DSC对EDTA-柠檬酸络合法制备的阳极溶胶的热分解温度及晶相的形成温度进行分析;采用XRD和SEM等分析手段对烧结后的阳极粉末进行表征,并与尿素燃烧法制备的阳极粉末进行对比.再通过热力学软件计算分析阳极在H2S气氛中于一定氧分压(p(O2))和硫分压(p(S2))下的稳定性,对硫化前后阳极粉末的红外光谱进行对比分析,并对其耐硫性进行验证.结果表明:EDTA-柠檬酸络合法可以降低... complexing method were analyzed by TG-DSC. The powders after sintering were characterized by XRD and SEM, and compared with the powders prepared by urea combustion method. The thermodynamic......
文章编号:1004-0609(2013)06-1605-06 碳热还原法合成TiB2的反应传质机理 马爱琼,蒋明学,武志红 (西安建筑科技大学 材料与矿资学院,西安 710055) 摘 要:在XRD,SEM,能谱分析,TEM,TG-DSC等实验分析的基础上,对以TiO2,B2O3,C为原料,通过碳热还原法合成TiB2粉末的反应传质机理进行了研究,阐明碳热还原法合成TiB2的反应传质机... and Technology, Xi’an 710055, China) Abstract: On the basis of experiment analysis such as XRD, SEM, energy spectrum analysis, TEM and TG-DSC, the reactionary mass transfer mechanism of synthesizing TiB2......
, structural and morphological properties of zinc leaching residue were examined by the combination of various detection means such as AAS, XRF, XRD, spectrometry, SEM-EDS, TG-DSC, XPS and FTIR... the powders suitable for XRF, XRD, TG-DSC, FTIR, XPS, and chemical analyses, and unground samples were used for SEM-EDS analysis directly. The leaching toxicity characteristic of heavy metals......