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by the following method. Sample with thickness of less than 0.5 mm was obtained with linear cutting, then was punched to 3 mm in diameter and polished up to 0.5 mm polishing. Ion milling was carried out......
microscope (SEM) was used for microstructure analyses of the specimens. Samples were prepared by conventional grinding and polishing, using a 0.5-μm-diamond paste, followed by etching with the Kroll......
magnesium alloy whose chemical composition is listed in Table 1. Pure magnesium, pure aluminum and pure zinc (purity of 99.9%), and SiO2 powder (analytical reagent) were used as the starting materials.... Table 1 Chemical composition of AZ91D alloy (mass fraction, %) AZ91D alloy was melted in a crucible resistance furnace (power 5 kW, permitted highest temperature 1 000 °C) which......
by a Quanta-200 scanning electron microscopy (SEM) after preparation by successive mechanical grinding to 1 200 grit SiC paper, successive polishing to 0.5 μm diamond, washing and drying. The phase...]. Beijing: Chemical Industry Press, 2008: 76-77. (in Chinese) (Edited by YANG Bing) Foundation item: Project(JPPT-115-168) supported by the National Key Science and Technological Program of China Received......
plating on the fluorinated AZ31 Mg alloy. 2 Experimental Commercially extruded AZ31 Mg alloy, with dimensions of 5 cm×2 cm×0.1 cm, was selected as the substrate material. The nominal chemical composition... and the coating growth on the fluorinated AZ31 Mg alloy. Table 1 Chemical compositions of AZ31 Mg alloy (mass fraction, %) The AZ31 Mg alloy electrodes were prepared by the following methods. Because the thickness......
was investigated by OM and TEM. The OM samples were treated by mechanically polishing and electro-polishing. The electro-polishing was performed at room temperature using a DC power supply with 30 V...) drawn part has been widely applied in the chemical [1,2] and aerospace [3,4] industries due to its corrosion resistance, good welding property, low density and high specific strength. Because of its......
are estimated as 0.996, 1.433 and 2.803 MPa·m1/2, respectively. The interfacial bonding mechanism of TiO2 nanotube film is chemical bonding. Key words: TiO2 nanotube; anodization; interfacial shear strength...], chemical sensors [8], dye sensitized solar cells [9], and bioactive coatings on titanium implants [10]. Till now, researches on TiO2 nanotube have been focused on the preparation, doping, synthesis mechanism......
induction melting furnace under the protective argon atmosphere. After heating at about 730 °C for 40 min, the melt was finally cast into a steel mold. The chemical compositions of the ingots were analyzed by inductively coupled plasma atomic emission spectroscopy (ICP-AES) and the results are listed in Table 1. Table 1 Chemical composition of as-cast alloys (mass fraction, %) The obtained alloys......
and anaerobic-aerobic-flocculation as well as chemical phosphorus removal of hypersaline mustard wastewater are conducted. The optimal operation condition and parameters in pretreatment of mustard... 8978-1996). Key words: mustard wastewater; aerobic treatment; anaerobic treatment; integrated bioreactor; chemical phosphorus removal 1 Introduction In the process of biological treatment......
induction melting furnace with a water cooled copper crucible by melting Ti (99.96%), Al (99.99%), W (99.98%), and Si (99.96%) of high-purity metals under an argon atmosphere. Chemical composition.... The details of the furnace have been described elsewhere [12]. Table 1 Chemical composition of Ti-46Al-0.5W-0.5Si (mole fraction, %) alloy The specimen was placed into a 99.99% purity alumina crucible......
