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that the size or shape of the sample is very restricted due to the necessity of achieving an extremely high cooling rate. The ultrasonic vibration technique also has serious problems... of fine grain magnesium alloys with high strength is desired. Applying electromagnetic vibration to the solidification of metals is a new method developed in recent years[4-6]. Pulsed magnetic field (PMF......
Trans. Nonferrous Met. Soc. China 26(2016) 1170-1175 Bimodal-grained Ti fabricated by high-energy ball milling and spark plasma sintering Yan LONG, Wen-jing GUO, Ying LI Guangdong Provincial Key... Abstract: Bimodal-grained Ti containing coarse and fine grains was fabricated by high-energy ball milling and spark plasma sintering (SPS). The microstructure and mechanical properties of the compacts......
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Sonochemistry, 2001(8): 319-325.[2]马立群, 舒光冀, 陈锋. 金属熔体在超声场中凝固的研究[J]. 材料科学与工程, 1995, 13(4): 2-7.MA Li-qun, SHU Guang-ji, CHEN Feng. Research on solidification of metal melt under ultrasonic field[J...): 1156.[4]Abramov O V. Action of high intensity ultrasonic on solidifying metal[J]. Ultrasonic, 1987, 25(2): 73.[5]Mauer F A. An ultrasonic method for reconstructing the two dimensional liquid/solid......
with Al7Cu2Fe phase without field (a) and Al6(CuFe) phase with ultrasonic field (b) 表2 图5中各点的EDS能谱分析结果 Table 2 EDS analysis results of locations in Fig. 5 图6 不同条件下合金的密度和缩松体积分数 Fig..., WAN L, AN P. Effect of ultrasonic vibration on Fe-containing intermetallic compounds of hypereutectic Al-Si alloys with high Fe content[J]. Transactions of Nonferrous Metals Society of China, 2013, 23......
Driving characteristics of octagon-type ultrasonic motorKIM Jong-Wook, PARK Choong-Hyo, LIM Jung-Hoon, JEONG Seong-Su, PARK Jong-Kyu, PARK Tae-Gone(1. Changwon National University, Sarim-dong, Changwon-si, Gyeongsangnam-do, 641-773, Korea)Abstract:Structure of the octagon-type ultrasonic motor was proposed and designed so as to allow the motor to drive small actuator. The stator of the motor......
composite granules in the molten matrix under ultrasonic vibration(UV) was developed to prepare metal matrix nano-composites(MMNCs).Millimeter-sized composite granules with high content of SiC particle(8 wt%) were specially fabricated by dry high-energy ball milling(HBM) without process control agent, and then remelted and diluted in molten Al alloy under UV. The MMNCs melt was finally squeeze cast......
of ultrasonic pretreatment on microstructures of ZL205A aluminum alloy casting CAO Fei1, JIANG Ripeng2, LI Xiaoqian1, LI Ruiqing2, DONG Fang2 (1. State Key Laboratory of High Performance Complex...: In order to study the influence of ultrasonic pretreatment(UT) of ZL205A aluminum alloy melt in high temperature range on the casting microstructures and its mechanism,ultrasonic treatment was applied......
