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depends on the proportion of graphic N rather than the total N content. Key words: oxygen reduction reaction; nitrogen-doped carbon; porous structure; red-blood-cell-like morphology Cite this article... shape, which is like a depression in the middle of the small round cakes and makes them have a higher surface area than that of the sphere morphology. The unique red-blood-cell-like morphology of N-C......
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形貌主要呈现为四面体凸起状,台阶状及扇贝状. 图3 区域A及其内晶粒的腐蚀形貌图 Fig. 3 Corrosion morphology of area A and its grains 图4 区域B及其内晶粒的腐蚀形貌图 Fig. 4 Corrosion morphology of area B and its grains 表2 区域A,B的晶粒取向及腐蚀形貌观察结果 Table 2 Grain orientation and surface morphology observation results of Regions A and B 为了揭示铜镍合金管材表面不同取向晶粒的腐蚀速率及腐蚀机理,本文将晶粒表面的法向量即晶粒取向与<1 1 1>取向之间的夹角记为θ.表2为区域A,区域B内部晶粒取......
> Morphology and structure of Ti-rich alloy thin film Abstract: The morphology and structure of the SMA thin film of Ti 43.27% Ni formed by HCD sputter deposition... and its morphology is polycrystal consisting of martensite, R, Ti 2 Ni and parent phase. Because the relative quantity of parent phase increases and that of martensite decreases after heat treatment, M s......
additive; stability; electrochemical measurement; morphology 1 Introduction Additives are widely used in electrodeposition of zinc and its alloys due to their special functions in the deposition process... removed from the cell and washed thoroughly with distilled water and dried. A microscope (Tescan Czech, VEGA II XMH) was used to examine the surface morphology. 3 Results and discussion 3.1 Effect......
成机理[J]. 中国钨业, 2010, 25(1): 34-37. YOU Feng, FAN Jing-lian, TIAN Jia-min, LIU Tao. Formation mechanism of tungsten powder with irregular morphology[J]. China Tungsten Industry, 2010, 25(1): 34-37. [14... different methods, respectively, carbon-hydrogen co-reduction method and common hydrogen reduction method, under same reduction process parameter. The phase, morphology and grain size of W powder......
of the microstructural mechanism of crude oil rheology and even for the waxy crude oil pipelining. However, due to the high complexity and irregularity of wax crystal morphology, quantitative characterization is hard... the intricate wax crystal morphology and structure. Based on the characterization, the effects of microstructures and oil composition on the waxy crude viscosities are analyzed quantitatively. It further......
℃ for 24 h, is up to 765 MPa.
Key words: aluminum matrix composite; spray deposition; heat-treatment; fracture morphology
......Preparation of tetrapod-like ZnO whiskers from waste hot dipping zinc①
来源： 《中南大学学报(英文版)2004年第1期》——陈艺锋 唐谟堂 杨声海 张保平 杨建广
EFFECT OF MELT OVER-HEATING AND ZIRCONIUM ALLOYING ON THE MORPHOLOGY OF Al9FeNi PHASE AND MECHANICAL PROPERTIES OF 2618 ALLOY J.H.Wang1,D.Q.Yi2 (1.Mechanical Engineering Institute of Xiangtan University, Xiangtan 411105, China;2.Department of Materials Science and Technology of Central South University, Changsha 410083, China) Abstract:The effect of melt over-heating on the morphology......
