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  • System design and experimental research on ultrasonic

    2019年12月15日· Aiming at the low toughness, high hardness and difficult machining of hard and brittle materials such as NanoZrO2 ceramics, a new type of ultrasonicAdding ultrasonic vibration to ultraprecision grinding is an effective strategy for improving the quality of the workpiece However, the composite energy field makes it challenging toMolecular dynamics simulations of ultrasonic vibrationassisted

  • Ultrasonic assisted grinding of advanced materials for

    2017年5月5日· This paper presents a review on ultrasonicassisted grinding (UAG) of advanced materials, specifically investigating the effects of ultrasonication on material2021年2月28日· Surface formation and damage mechanisms of nanoZrO2 ceramics under axial ultrasonicassisted grinding | SpringerLink Home Journal of Mechanical ScienceSurface formation and damage mechanisms of nanoZrO

  • System Design and Mechanism Study of UltrasonicAssisted

    2023年5月14日· An ultrasonicassisted electrochemical grinding system was designed to improve the machining efficiency of hard, tough materials and to address the deficiency2021年9月14日· Zhao B et al researched ultrasonic assisted elliptical vibration grinding of NanoZrO 2 ceramics, and the results showed that the ultrasonic assisted grinding could reduce the surface roughnessMechanism and Experiment Study of NonContact

  • Conical Grinding Wheel UltrasonicAssisted Grinding Micro

    2023年3月27日· The rotating ultrasonicassisted grinding (RUAG) experiment of the conical grinding wheel generated the intermittent pitshaped microtexture on the2022年6月24日· Abstract Grinding is a manufacturing process which significantly contributes in producing high precision and durable components required in numerousA comprehensive review on the grinding process: Advancements

  • System design and experimental research on ultrasonic assisted

    2019年8月1日· Zhao B et al researched ultrasonic assisted elliptical vibration grinding of NanoZrO 2 ceramics, and the results showed that the ultrasonic assisted grinding2021年1月1日· Ultrasonic vibration grinding improves the surface quality and processing efficiency of sapphire machining compared with conventional grinding, but its nanoscale deformation mechanism is stillInvestigation of vibrationassisted nanogrinding of gallium

  • Material removal mechanism in ultrasonicassisted grinding of Al

    2017年1月12日· In order to get a deeper knowledge of the characteristics of material removal mechanisms in alumina during grinding with ultrasonic stimulation of the workpiece, Ultraprecision surface finishing of nanoZrO2 ceramics using twodimensional ultrasonic assisted grinding Int J Adv Manuf Technol 43(5–6):462–467 Article Google2009年1月1日· An investigation into the ultrasonicassisted grinding of nanoZrO2 ceramic by Yan et al [5] and Gao et al [6] found that the critical ductile depth of cut was larger than that in conventionalResearch on the surface characteristics in ultrasonic grinding nano

  • Ultrasonic assisted grinding of advanced materials for

    2017年5月5日· Gao G, Zhao B, Xiang D, Kong Q (2009) Research on the surface characteristics in ultrasonic grinding nanozirconia ceramics J Mater Process Technol 209(1):32–37 Article Google Scholar Uhlmann E Hübert C (2007) Ultrasonic assisted grinding of advanced ceramics In: Proceedings of the ASPE spring topical meeting2015年8月4日· Yan Y, Zhao B, Liu J (2009) Ultraprecision surface finishing of nanoZrO2 ceramics using twodimensional ultrasonic assisted grinding Int J Adv Manuf Technol 43(56):462–467 Article Google Scholar Gao GF, Zhao B, Xiang DH, Kong QH (2009) Research on the surface characteristics in ultrasonic grinding nanozirconia ceramicsStudy on the material removal process in ultrasonicassisted grinding

  • Revealing nanoscale material deformation mechanism and surface

    2022年5月1日· Aiming at the low toughness, high hardness and difficult machining of hard and brittle materials such as NanoZrO2 ceramics, a new type of ultrasonic assisted elliptical vibration grinding (UAEVG2009年1月1日· AFM pictures of ground surface with/without ultrasonic assistance using 350# abrasive grain were shown in Fig 8 respectively to explain the different machining mechanism between two methods For fracture regime machining during the common grinding, the main cleavage style was material brittle fracture, which results in large pitsResearch on the surface characteristics in ultrasonic grinding nano

  • System design and experimental research on the tangential ultrasonic

    2021年6月23日· A tangential ultrasonic vibrationassisted gear grinding (TUVAGG) system was proposed in this paper to enhance the machining accuracy and performance of gears Firstly, the longitudinal resonant vibration system of the TUVAGG was designed based on the nonresonant theory The frequency equation and the displacement2022年12月1日· Huang et al [22] demonstrated the influence of onedimensional sinusoidal vibration on GaN nanogrinding by MD The results implied that high MRR and good surface quality were obtained by UVAG Chen et al [23] compared the simulation results of copper with conventional scratching and ultrasonic vibration scratchingEffects of ultrasonic vibration on sapphire polishing investigated

  • Molecular dynamics simulations of ultrasonic vibrationassisted

    Ultrasonic vibrationassisted grinding (UVAG) has attracted plenty of attention to significantly improve surface integrity However, existing research has not systematically investigated the effect of vibration directions during UVAG at atomic and nanoscales, limiting our understanding of the plastic deformation mechanisms and microstructural evolution2019年6月1日· In dry grinding experiments, tangential ultrasonic vibrationassisted grinding (TUVAG) produces groovelike ultrasonic vibration textures that facilitate material removal Radial ultrasonic vibrationassisted grinding (RUVAG) has a large impact on the machined surface, and pits and a large number of microcracks appear, which effectivelyA comprehensive investigation of surface generation and

  • Material removal mechanism and grinding force modelling of ultrasonic

    2017年2月15日· In this paper, a varieddepth nanoscratch test of single grain is carried out on a nano indentation system The critical depth of the elasticplastic transition for SiC ceramics is 727 nm, as calculated by Hertz contact theory, and the critical depth of the brittletoductile transition is 76304 nm, as measured by AFM and SEM Based on the2011年7月28日· Uhlmann E, Daus NA (2000) Ultrasonic assisted grinding—application advantages through an innovative grinding process (in German) BMBFAbschlussbericht Wu Y, Fan Y, Kato M, Kuriyagawa T, Syoji K, Tachibana T (2004) Development of an ultrasonic ellipticvibration shoe centerless grinding technique J Mater ProcessDevelopment of a novel ultrasonic unit for grinding of ceramic

  • Surface Properties of Ultrasonic VibrationAssisted ELID Grinding

    2022年1月15日· ultrasonic vibrating table on ELID grinding aluminum nitride ceramics They found that the material removal rate increased by approximately 36% Zhao et al [15] developed the surface roughness prediction model in UVAELID grinding nanocomposite ceramics and also validated the model However, the surface properties were not2017年4月23日· Ultrasonic vibrationassisted Electrolytic inprocess dressing (ELID) grinding is a highly efficient and highly precise machining method The surface quality prediction model in ultrasonic vibrationassisted ELID mirror grinding was studied First, the interaction between grits and workpiece surface was analyzed according to kinematicSurface quality prediction model of nanocomposite ceramics in

  • Ultraprecision surface finishing of nanoZrO2 ceramics using two

    2008年9月17日· Based on the model of a grain cutting trace in workpiece during twodimensional ultrasonic assisted grinding, microscopic cutting trace of the grain is analyzed, and the grain cutting trace of spiral line is defined, the motion model of the contact between single abrasive particle and workpiece in a vibration period is established during2023年9月1日· Ultrasonic elliptical vibration cutting (UEVC) technology has been utilized for ultraprecision machining of difficulttomachine metal materials such as tungsten Nevertheless, the microstructure evolution mechanism of tungsten under the synergistic effect of ultrasonic and mechanical loads remains unclear, particularly at theMicrostructure evolution mechanism of tungsten induced by ultrasonic

  • Ultrasonic WetMilling and MicroGrinding Hielscher Ultrasonics

    Ultrasonic milling is especially suited to process micronsize and nanosize materials, such as ceramics, alumina trihydrate, barium sulphate, calcium carbonate and metal oxides The tables below show microscopic images of the milling of alumina trihydrate (from 150 micron down to 10 micron) , ceramics (from 30 micron down to 2 micron) and sodium carbonate2009年1月1日· Nanoceramics possesses ascendant mechanical property and physical characteristics contrast with traditional engineering ceramics, and its machining with ultrasonic assistance has been considered as one of the most efficient methodsIn the present paper a novel ultrasonic grinding vibration device has been designed and theResearch on the surface characteristics in ultrasonic grinding nano

  • Investigation of the Efficiency of VibrationAssisted NanoGrinding

    2020年10月26日· The use of ultrasonic vibrations during grinding can lead to favorable results, such as easier processing of difficulttocut materials, improved surface quality, reduced workpiece damage and cutting forces In order to

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