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Studies of Composition and Structure of CO2 Corrosion Film of X56 Steel in the Medium of CO2 and Salt Water LUO Ping-ya1,LI Chun-fu1,ZHANG Xian-ju2,ZHANG Ying2,LU Dong-li2,DAI Jia-lin2,WANG Bing2... weigh loss, composition and structure, morphology and phase of corrosion films of the samples were investigate by SEM, EDS, XRD and XPS. The results indicated that the corrosion degree was accelerated......
Densification mechanism of chemical vapor infiltration technology for carbon/carbon composites CHEN Jian-xun(陈建勋), XIONG Xiang(熊 翔), HUANG Qi-zhong(黄启忠), YI Mao-zhong(易茂中), HUANG Bai-yun(黄伯云... chemical vapor infiltration(CVI) technology with propane (C3H6) as the carbon precursor gas and nitrogen (N2) as the carrier gas. The chemical process of deposition of pyrolytic carbon was deduced......
Composition Dependence of the Thermal Behavior,Morphology and Properties of Biodegradable PBS/PTMO Segment Block Copolymer黄勇1,2,LIU Junhong2,周涛1,张爱民11. State Key Laboratory of Polymer Materials Engineering of China,Polymer Research Institute,Sichuan University2. Sichuan Vocational College of Chemical Technology摘 要:A series of aliphatic biodegradable......
were prepared by chemical vapor reaction and slurry-sintering method. The influence of preparation technology on the structure and phase composition of the coating was investigated by scanning...Influence of Preparation Technology on the Structure and Phase Composition of MoSi2-Mo5Si3 /SiC Multi-coating for Carbon/Carbon CompositesXin Yang 1) , Yanhong Zou 2) , Qizhong Huang 1) , Zhean Su 1......
Phase composition and structure of grain boundary of oversintered Y3Al5O12 ceramics LI Chang-qing(李长青), ZUO Hong-bo(左洪波), HAN Jie-cai(韩杰才), ZHANG Ming-fu(张明福), MENG Song-he(孟松鹤), YAO Tai(姚 泰) Center for Composite Materials, Harbin Institute of Technology, Harbin 150008, China Received 28 July 2006; accepted 15 September 2006 Abstract: Phase composition and microstructures of grain......
and Development摘 要:We report results of a large computational ’alloy by design’ study, in which the ‘chemical composition–mechanical strength’ space is explored...Charting the ‘composition–strength’ space for novel austenitic,martensitic and ferritic creep resistant steelsQi Lu1,2,3,Sybrand van der Zwaag2,Wei Xu1,21. State Key Laboratory of Rolling......
Effect of cooling rate and composition on microstructures and properties of Zn-Mg alloys WANG Xiang(王香), LU Hong-mei(陆红梅), LI Xin-lin(李新林), LI Li(李莉), ZHENG Yu-feng(郑玉峰) Center for Biomedical.... The effects of cooling rate and composition on the microstructures, hardness and corrosion resistance were studied by XRD, SEM, microhardness and corrosion testing techniques. The corrosion behaviors......
Composition Variation of Borax Salt during the Process of Vanadizing by Thermal Diffusion王洪福School of Mechanical Engineering and Automation,North University of China摘 要:chemical constituent of coating and remnants were tested by X-ray diffraction(XRD)and X-ray energy dispersive spectroscopy(EDS).To increase......
exhibit unique morphologies and micro structures.The yttrium addition during chemical reaction process affects not only the composition of tungsten acid hydrate precursors,but also the reduction...Influence of Yttrium Addition on the Reduction Property of Tungsten Oxide Prepared via Wet Chemical MethodNan Liu1,Zhi Dong1,Zongqing Ma1,Liming Yu1,Yongchang Liu11. State Key Lab of Hydraulic......
iron was melted and deoxidized by metallic Al and rare earth elements La, Ce and Y respectively at 1600℃ in a vertical resistance furnace. The morphology, chemical composition and size distribution...Morphology, chemical compositions and size distribution of rare earth oxides in pure ironShengjun Zhang Bo Song Xihua Liu Qing Lin and Biyan Wang1) Metallurgy School, University of Science......