ELID grinding characteristics of glass-ceramic materials

Yin, Shu; Ohmori, Hitoshi; Dai, Yutang; Uehara, Yoshio; Chen, Fengjun; Tang, Hengning

doi:10.1016/j.ijmachtools.2008.10.013

Cited by 55 publications

(15 citation statements)

References 11 publications

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“…∝ C CIPs . Based on those works [28,29], we assume that the compressive stress of MR fluid acting on the work surface is related to the flux density and the volume fraction of CIPs, written as, (x, 0, + ı) = B 2.4 (x, 0, + ı)C CIPs (5) Integrating the compressive stress with respect to the polishing area A, the normal force can be obtained, Substituting Eq. (5) into Eq.…”

Section: Polishing Forcementioning

confidence: 99%

“…Those surfaces need to be machined to have roughness at nanoscale and planarity of several microns without subsurface damage [1][2][3][4][5][6]. To date, ultra-precision lapping with loose abrasives has been the major technique to achieve such smooth and flat surfaces in mass production [1,7] because other processes, including chemical mechanical polishing (CMP) [8], elastic emission machining (EEM) [9] and ion beam finishing (IBF) [10] cannot meet the requirement for both efficiency and quality.…”

Section: Introductionmentioning

confidence: 99%

See 1 more Smart Citation

Polishing characteristics and mechanism in magnetorheological planarization using a permanent magnetic yoke with translational movement

Wang

Yin

Huang

2016

Precision Engineering

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Section: Polishing Forcementioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Polishing characteristics and mechanism in magnetorheological planarization using a permanent magnetic yoke with translational movement

Wang

Yin

Huang

2016

Precision Engineering

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“…The development of the process for electro-machining insulating ceramics is an important research topic in the field of non-traditional machining. A lot of research achievements about the topic have been achieved [11][12][13]. Some researchers have used electrolyte as the machining fluid to achieve electrochemical discharge machining (ECDM) of insulating ceramics.…”

Section: Introductionmentioning

confidence: 99%

An experimental research on single discharge machining of insulating ceramics efficiently with high energy capacitor

Zhang

et al. 2011

Sci. China Technol. Sci.

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Insulating ceramics are applied to modern manufacturing industries for their improved material properties. But they are the difficult-to-machine materials because of their high rigidity, high brittleness and non-electrical conductivity. A new method which employs a high energy capacitor for electric discharge machining of insulating ceramics efficiently is presented in this paper, and the single discharge experiments have been carried out. The process uses the high voltage, large capacitor and high discharge energy, it is able to effectively machine insulating ceramics, and the single discharge crater volume of insulating ceramics can reach 17.63 mm 3 . The effects of polarity, peak voltage, capacitance, current-limiting resistance, tool electrode feed, tool electrode section area and assisting electrode thickness on the process performance such as the single discharge crater volume, the tool wear ratio and the assisting electrode wear ratio have been investigated. The microstructure of the discharge crater is examined with a scanning electron microscope (SEM). The results show that the discharge craters have sputtering appearance, the insulating ceramic materials are mostly removed by spalling, in the center region of the discharge some materials are removed by melting and vaporization, and the material removal is enhanced with the machining parameters increasing. EDM, insulating ceramics, single pulse, high energy, high efficiency Citation:Ji R J, Liu Y H, Zhang Y Z, et al. An experimental research on single discharge machining of insulating ceramics efficiently with high energy capacitor.

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“…On the other side, several new grinding technologies with the applications of external physical or chemical actions have also been proposed to obtain better machining efficiency and quality, such as electrolytic in-process dressing (ELID) (Islam et al, 2008;Yin et al, 2009), ion beam machining (IBM) (Allen et al, 2009), chemomechanical magneto-rheological finishing (CMMRF) (Jain et al, 2010). Inspired by these applications, we hypothesize that application of external force or stress, which is used to change the stress field within the specimen during the machining process, may change the final material damage mechanism.…”

Section: Introductionmentioning

confidence: 99%