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In situ (Mg2Si+MgO)/Mg composites fabricated from AZ91-Al2(SiO3)3 with assistance of high-energy ultrasonic field ZHANG Song-li(张松利), ZHAO Yu-tao(赵玉涛), CHEN Gang(陈 刚) School of Materials Science... high-energy ultrasonic field were investigated by XRD, DSC and SEM. The results indicate that the size, morphology and distribution of the in situ Mg2Si particles are greatly optimized......
Trans. Nonferrous Met. Soc. China 24(2014) 3894-3900 Preparation and wear properties of TiB2/Al-30Si composites via in-situ melt reactions under high-energy ultrasonic field Song-li ZHANG1, Xian-wei... in-situ melt reaction under high-energy ultrasonic field. The microstructure and wear properties of the composite were investigated by XRD, SEM and dry sliding testing. The results indicate that TiB2......
Effect of high-intensity ultrasonic field on process of semi-continuous casting for AZ80 magnesium alloy billets ZHANG Zhi-qiang(张志强), LE Qi-chi(乐启炽), CUI Jian-zhong(崔建忠) Key Laboratory... that the microstructures of the alloy cast under high-intensity ultrasonic field are fine and uniform, and the grains are equiaxed, rose-shaped or globular with an average size of 257 μm. High......
Direct-chilling casting of Mg alloy under electromagnetic and ultrasonic combined field CUI Jian-zhong(崔建忠), ZHANG Zhi-qiang(张志强), LE Qi-chi(乐启炽) Key Laboratory of Electromagnetic... electromagnetic (LFEC) field and ultrasonic (US) field on the microstructures, macrosegregation of alloying elements and the mechanical properties of DC cast AZ80 alloy were studied. The results show that both......
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J. Cent. South Univ. (2018) 25: 1285-1294 DOI: https://doi.org/10.1007/s11771-018-3825-5 Effect of ultrasonic field on microstructure and mechanical properties of as-cast 7085 aluminum alloy ZOU... of an ultrasonic field on the microstructure and mechanical properties of 7085 aluminum alloy during solidification was investigated by optical microscopy, Vickers hardness test, tensile test, scanning electron......
of 7050 aluminum alloy ingot in ultrasonic field ZHANG Li-hua(张立华)1, 2, YU Jun(余军)1, 2, ZHANG Xiao-ming(张晓明)1, 2 1. Key Laboratory of Modern Complex Equipment Design and Extreme Manufacturing...-continuous casting were researched, and the effects of casting speed on solidification structure in ultrasonic field were also analyzed. The experiment and simulation results show that the solidification......
Article ID: 1003-6326(2005)03-0615-04 Microstructure characteristics of as-surface nanocrystallized 1420 aluminum alloy by high-energy shot peening HU Lan-qing(胡兰青)1, WANG Ke(王... Academy of Sciences, Shenyang 110016, China) Abstract: A nanostructured surface layer was fabricated on 1420 aluminum alloy by high-energy shot peening. Microstructures were characterized by X-ray......
developed since the first invention in 1973 and many researches on the motors have been studied in Japan and USA. The characteristics of ultrasonic motor have various features, such as high torque at low... have an easy manufacturing process to overcome the limits of miniaturization [5-10]. Existing ultrasonic motors have excellent response speed, accuracy, and high efficiency. However, in practice......
of 5083 Al alloy with indirect ultrasonic vibration process [J]. Mater Sci Eng A, 2011, 528: 8635-8640. [7] ZHANG S, ZHAO Y, CHENG X, CHEN G, DAI Q. High-energy ultrasonic field effects... Jian-zhong. Effect of high-intensity ultrasonic field on process of semi-continuous casting for AZ80 magnesium alloy billets [J]. Transactions of Nonferrous Metals Society of China, 2010, 20(s......
