共搜索到11161条信息,每页显示10条信息,共1117页。用时:0小时0分1秒301毫秒
, KANG Zhi-xin, MA Xia-yu. Fabricating superhydrophobic copper meshes by one-step electro- deposition method and its anti-corrosion and oil-water separation abilities[J].Acta Metallurgica Sinica, 2018......
, respectively, while the average estimated lattice strain for Samples A and B were (0.0028±0.0013) and (0.0042±0.0007), respectively. It may be observed that pure copper peaks are not detected, which......
; Taguchi analysis; microstructure evolution; mechanical properties 1 Introduction The aeronautical grade aluminum alloy 2024 (AA2024), as an age-hardenable alloy, has been increasingly used... the friction stage, after lucubrating the friction torque changing curve. They also concluded that the joining mechanism of AA7075 friction welding was similar to that of low carbon steel. Also, KIMURA et......
as traditional anodes in the electrowinning of nonferrous metals like zinc [1], copper [2], and manganese [3,4] from sulphate electrolytes. Lead/lead alloys are only used as initial anode materials since... densities are shown in Fig. 5. At low current density (Fig. 5(a)), only a small part of Pb grains presented pyramid-like structure, and the height of these pyramid-shape Pb grains was small. Hence......
Tian-ming, ZHOU Jie, XIE Zhen-miao. Assessment of health risk for mined soils based on critical thresholds for lead, zinc, cadmium and copper[J]. Environmental Science, 2008, 29(8): 1238-1244. [35] 王兰化......
the rainy and dry seasons may result from less anthropogenic activity and more rainfall in the rainy season, and more agricultural and mineral activity in the dry season [61, 62]. Moreover, the very low concentration of Hg (0.014 μg/L) indicated that there were few Hg discharges into the river and low atmospheric deposition of Hg [63]. Excluding metal(loid)s, there are no WHO guidelines for other......
superalloys is their high density of 8-9 g/cm3, which will increase the weight of airplane and consume much more fossil fuel [1,2]. TiAl alloy has the merits of low density (only half of traditional Ni-based... strength, creep resistance and corrosion resistance of the TiAl brazed joint. Hence, selection of Ti-Zr-Cu-Ni- Fe-Co-Mo alloy with low Cu and Ni contents as filler can give full play to the high......
alloy knowing that Al/CNTs have a low ductility (≤5%). The properties of hybrid AMCs can be tailored by varying the type, size and amount of reinforcements. Most particle reinforcement materials used... and elevated temperatures [3]. Among ceramic reinforcements, alumina (Al2O3) is one of the most widely used ones due to high availability, low cost and overall good properties [3]. Regarding fibrous materials......
different frames. The froth layer flows faster and the froth size is unevenly distributed when there are few minerals attached to the froth and the grade is low; the frequency of breaking and merging... low-concentrate grade cases. The froth around the collapsed gap rapidly expands and joins, and finally reunites. During this process, the measurement of froth stability is available due to the fact......
. GUO Shuang-quan, GE Chang-shun, FENG Yun-biao, ZHOU Zhang-jian. Research on low-cost plasma spheroidization technology for spherical tungsten powder used in thermal spraying[J]. Powder Metallurgy... of preparation and application of nickel nanopowder[J]. Chemical Industry and Engineering Progress, 2019, 38(5): 2252-2261. [9] CHO Y S, MOON J W, CHUNG K C, LEE J G. Synthesis of nickel and copper......