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J. Cent. South Univ. (2019) 26: 3295-3304 DOI: https://doi.org/10.1007/s11771-019-4253-x Preparation of defect free ceramic/Ti composite membranes by surface modification and in situ oxidation..., in situ oxidation method was a convenient method to prepare defect free ceramic/Ti composite membranes on this basis. In situ oxidation conditions experimental results show that the best condition......
氮化铟粉末的热稳定性 孙丽丽1,庄惠照1,薛成山1,张晓凯1,杨兆柱1,艾玉杰1,王福学1 (1.山东师范大学半导体研究所,山东,济南,250014) 摘要:用X射线衍射(XRD),傅里叶红外吸收(FTIR)对InN粉末在空气中的热稳定性进行了分析研究.结果表明:当温度低于400℃时,InN非常稳定;但当温度超过500℃时,InN很容易被氧化;当温度增加到600℃时,InN被完全氧化成In2O3. 关键词:热稳定性; InN; In2O3; thermal oxidation behaviors; InN; In2O3; [全文内容正在添加中] ......
and oxidation mechanism of boride in situ composites [J]. Comp Sci Tech, 2001, 61(7): 971-975. [2] Williams J C, Starke J E A. Progress in structural materials for aerospace systems [J]. Acta Mater, 2003, 51(19... Effects of laser processing parameters on solidification microstructures of ternary Al2O3/YAG/ZrO2 eutectic in situ composite and its thermal property SU Hai-jun(苏海军), ZHANG Jun(张 军......
文章编号:1004-0609(2016)-06-1350-06 常压碳热还原含铟渣中三氧化二铟的动力学 谢富春1, 2,尹周澜1,丁治英1,谭 军1,刘常青1,张平民1 (1. 中南大学 化学化工学院,长沙 410083； 2. 湖南工程学院 机械工程学院,湘潭 411101) 摘 要:在常压下研究碳热还原氧化铟的动力学.结果表明:增大碳与含铟渣的质量比或提高反应温度,铟还原率增大.当反应温度为1523 K,碳与含铟渣质量比为0.5,反应时间为60 min时,含铟渣铟的还原挥发率达到85.21%；在常压下,碳与含铟渣质量比达到0.5,含铟渣平均粒度是80 μm,石墨颗粒平均度约为30 μm,反应温度在1373~1523 K区间内,碳热还原含铟渣的还原挥发速率由界面化学反应所控制,其表观活化能为168.67 kJ/mol. 关键词:碳热还原；含铟渣；动力学；铟；熔池......
In situ synthesis of nanostructured titania film on NiTi shape memory alloy by Fenton’s oxidation method CHU Cheng-lin(储成林)1, HU Tao(胡 涛)1, S. L. Wu2, WANG Ru-meng(王如萌)1, DONG Yin-sheng(董寅生)1...; Abstract: Fenton’s oxidation method was successfully used to synthesize an ideal titania film in situ on NiTi shape memory alloy(SMA......
In situ synthesis of palladium nanoparticles on multi-walled carbon nanotubes and their electroactivity for ethanol oxidationQing-Feng Yi,Li-Zhi SunSchool of Chemistry and Chemical Engineering, Hunan...)in the absence of chemical reduction agent,where MWCNTs were used as both the chemical reduction agent and the support substrate of Pd-NPs.Effect of various surfactants on the in situ deposition......
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......
CuO-CeO2/Al2O3/FeCrAl monolithic catalysts prepared by in situ combustion synthesis method for preferential oxidation of carbon monoxide曾尚红1,苏海全1,刘源2,王岩1,王东方11. College of Chemistry and Chemical Engineering,Inner Mongolia University2. School of Chemical Engineering and Technology,Tianjin University摘 要:This work described in situ combustion synthesis......
CuO-CeO2/Al2O3/FeCrAl monolithic catalysts prepared by in situ combustion synthesis method for preferential oxidation of carbon monoxide曾尚红1,苏海全1,刘源2,王岩1,王东方11. College of Chemistry and Chemical Engineering,Inner Mongolia University2. School of Chemical Engineering and Technology,Tianjin University摘 要:This work described in situ combustion synthesis......
含铟锌渣氧粉加压氧化浸铟的工艺研究 潘柳萍1,黎铉海1,吴志鸿2,张燕娟1,韦岩松2 (1.广西大学;2.河池学院) 摘要:研究了含铟锌渣氧粉在加压和加入氧化剂的条件下与工业硫酸反应时硫酸初浓度,浸出时间,反应温度,氧化剂用量等工艺条件对铟浸出效果的影响.研究结果表明,加压和加入氧化剂高锰酸钾对锌渣氧粉的浸出有较好的强化作用,能明显提高铟浸出率.其最佳工艺条件:硫酸初浓度为400 g/L,反应时间为120 min,反应温度为120 ℃,高锰酸钾用量为矿样量的4%,液固比为8,反应压强为0.5 MPa,搅拌器转速为400 r/min.在此条件下,锌渣氧粉的铟浸出率可达到90.6%. 关键词:铟; 锌渣氧粉; 加压氧化; 浸出; [全文内容正在添加中] ......
