液压与气动Issue(3)：22-31,10.DOI:10.11832/j.issn.1000-4858.2018.03.004
超磁致伸缩材料在电液伺服阀中的应用现状
Application of Giant Magnetostrictive Material in Electro-hydraulic Servo Valve
摘要
Abstract
Giant magnetostrictive material (GMM) is a kind of novel functional material with excellent features,such as fast response,large magnetostriction and high energy density,and it has attracted the attention of researchers from different fields.Based on the demand of high performance electro-hydraulic servo valve for modern industry,this paper describes the magnetostrictive effect of GMM in brief and expounds its basic properties as well as several physical effects.Then,comparing the performance parameters of piezoelectric ceramics and shape memory alloy,we analyze the performance advantages of GMM.Finally,the application status of GMM in nozzle flapper valve,jet pipe valve and direct drive electro-hydraulic servo valve is introduced emphatically.On the basis of that,the key technology of developing high performance magnetostrictive electro-hydraulic servo valve is prospected.关键词
超磁致伸缩材料/物理效应/放大机构/电液伺服阀Key words
giant magnetostrictive material/physical effects/amplification mechanism/electro-hydraulic servo valve分类
机械制造引用本文复制引用
郑佳伟,何忠波,荣策,薛光明,杨朝舒..超磁致伸缩材料在电液伺服阀中的应用现状[J].液压与气动,2018,(3):22-31,10.基金项目
国家自然科学基金(51275525) （51275525）
