Nanostructural evolution of Zn by dry roller vibration milling at room temperature*

Wang, Shulin; Li, Shengjuan; Du, Yanchen; Xu, Bo; Li, Laiqiang; Zhu, Yan

doi:10.1080/10020070612330017

Cited by 42 publications

(4 citation statements)

References 1 publication

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“…The period-shorted effect reveals the grain size reduction mechanism of Ti: on the one hand, the external periodic loading causes Ti to deform plastically, resulting in grain rotation, and forming a lot of vortexes in the deformation field. The rotating grains have the tendency to leave the matrix [12], facilitate the reorientation of the crystals, and lead to fragmentation and grain size reduction [13]. On the other hand, grain rotation can also cause considerable strengthening or work hardening effect owing to the interaction of the elastic stress field with each other and with the grain boundaries in the materials.…”

Section: Grain Size Evolution and Lattice Distortionmentioning

confidence: 98%

Synthesis of binary nano-composite of Ti50Zr50 and its characterization

Cai

et al. 2007

Journal of Alloys and Compounds

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Section: Grain Size Evolution and Lattice Distortionmentioning

confidence: 98%

Synthesis of binary nano-composite of Ti50Zr50 and its characterization

Cai

et al. 2007

Journal of Alloys and Compounds

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“…Compound 3b was isolated from ethanol extract of Fructus corni. 22) The alkyl ether derivative 3f was isolated from Cornus officinalis, 23) and its 7R isomer was obtained from leaves of Hydrangea macrophylla subsp. serrata.…”

Section: Resultsmentioning

confidence: 99%

Iodine-Catalyzed Etherification of Morroniside

Sunghwa

Sakurai

Saiki

et al. 2009

CHEMICAL & PHARMACEUTICAL BULLETIN

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In this study, we describe a highly selective etherification procedure of unprotected morroniside catalyzed by molecular iodine in acetone. The etherification reaction furnished 7-O-alkyl ether derivatives in reasonable yields within few hours under neutral conditions. Studies of the obtained products on cytotoxicity activity in colon 26-L5 cell line were examined. Among the tested compounds, 7-O-dodecylmorroniside showed moderate cytotoxic activity, having IC50 values equal to 20.9 microM.

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“…The K value of the eccentric vibration mill designed by Doctor Gock was close to 10. The Russian Doctor M. Mooregrlis proposed that the vibration intensity should be at 20 (Wang et al, 2006;Xu et al, 2008).…”

Section: Introductionmentioning

confidence: 99%

“…Most researchers focus on how to improve collision probability, efficiency of grinding or the refinement of powders. Some conclusions on the principle, structure and improvement of vibration intensity have been drawn (Gock and Kurrer, 1999;Wang et al, 2006;Verichev et al, 2007). However, the efficiency of superfine particle preparation is still unsatisfactory, and correlative studies on using chaotic vibration and high vibration intensity to solve some specific operational requirements are rarely reported.…”

Section: Introductionmentioning

confidence: 99%

Study on chaotic vibration and high vibration intensity of a multi-level partial blocks excitation system

Yang

Liu

Luoming

et al. 2013

Journal of Vibration and Control

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A multi-level partial blocks excitation system was proposed to meet the special requirement of vibration equipment. The dynamic mechanical model was analyzed using Lagrange equations to obtain angular displacement equations of higher level partial block. The instantaneous vibration intensity and amplitude were also found. The simulation test was performed using MATLAB in order to obtain the motion curves, phase-trajectory and Poincare maps of higher level partial block. Due to the fact that the existence of the initial sensitivity, nonrepeatability and complexity of the phase trajectory, and flake points set and many discrete points in Poincare maps, the vibration system exhibited many characteristics of chaotic vibration. It was found that the chaotic excitation system with a strongly nonlinear and wide frequency band could achieve some special exciting vibration properties, such as intermittent high vibration intensity, transient super-high vibration intensity and large vibrating amplitude. Based on these analyses, the vibration mill was developed. The research showed that these measured vibration intensity K À t and amplitude A À t curves were consistent with theoretical analysis and the simulation of the motion curves, phase-trajectory and Poincare maps. In the field of vibration engineering, the special inertial properties are important to overcome work barriers and solve current technological bottlenecks.

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Nanostructural evolution of Zn by dry roller vibration milling at room temperature*

Cited by 42 publications

References 1 publication

Synthesis of binary nano-composite of Ti50Zr50 and its characterization

Synthesis of binary nano-composite of Ti50Zr50 and its characterization

Iodine-Catalyzed Etherification of Morroniside

Study on chaotic vibration and high vibration intensity of a multi-level partial blocks excitation system

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