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液电加工原理及其应用 被引量:2
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作者 张雷 《机械》 北大核心 1999年第4期48-50,共3页
阐述了目前在国外应用非常广泛的液电加工技术的原理与特点及在机械制造中的应用;探讨了液电加工技术今后的发展趋势及其应用前景。
关键词 液电加工 电成型 电硬化 电喷涂
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液电效应及其应用 被引量:4
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作者 杜启蒙 《江苏电器》 2008年第7期59-62,共4页
介绍了液电效应的基本概念及在国内外若干领域的应用,阐述了液电效应原理,液电效应装置及液电成型、喷涂、清砂、硬化等加工方法。指出提高电源的储能密度,研制大功率的转换开关和产生高重复频率的大功率脉冲是该技术最主要的发展方向,... 介绍了液电效应的基本概念及在国内外若干领域的应用,阐述了液电效应原理,液电效应装置及液电成型、喷涂、清砂、硬化等加工方法。指出提高电源的储能密度,研制大功率的转换开关和产生高重复频率的大功率脉冲是该技术最主要的发展方向,应用前景广阔。 展开更多
关键词 电效应 液电加工 电成型 电硬化 电喷涂 冲击波碎石
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Flexible high-performance microcapacitors enabled by all-printed two-dimensional nanosheets
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作者 Pengxiang Zhang Yushui Fu +3 位作者 Xin Zhang Xihua Zhang Bao-Wen Li Ce-Wen Nan 《Science Bulletin》 SCIE EI CAS CSCD 2022年第24期2541-2549,M0004,共10页
Chemically exfoliated nanosheets have exhibited great potential for applications in various electronic devices.Solution-based processing strategies such as inkjet printing provide a low-cost,environmentally friendly,a... Chemically exfoliated nanosheets have exhibited great potential for applications in various electronic devices.Solution-based processing strategies such as inkjet printing provide a low-cost,environmentally friendly,and scalable route for the fabrication of flexible devices based on functional inks of twodimensional nanosheets.In this study,chemically exfoliated high-k perovskite nanosheets(i.e.,Ca_(2)Nb_(3)O_(10)and Ca_(2)NaNb_(4)O_(13))are well dispersed in appropriate solvents to prepare printable inks,and then,a series of microcapacitors with Ag and graphene electrodes are printed.The resulting microcapacitors,Ag/Ca_(2)Nb_(3)O_(10)/Ag,graphene/Ca_(2)Nb_(3)O_(10)/graphene,and graphene/Ca_(2)NaNb_(4)O_(13)/graphene,demonstrate high capacitance densities of 20,80,and 150 nF/cm^(2) and high dielectric constants of 26,110.and 200,respectively.Such dielectric enhancement in the microcapacitors with graphene electrodes is possibly attributed to the dielectric/graphene interface.In addition,these microcapacitors also exhibit good insulating performance with a moderate electrical breakdown strength of approximately 1 MV/cm,excellent flexibility,and thermal stability up to 200℃.This work demonstrates the potential of high-k perovskite nanosheets for additive manufacturing of flexible high-performance dielectric capacitors. 展开更多
关键词 High-k perovskite nanosheets Inkjet printing Microcapacitors Dielectric enhancement Interface effect
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