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电阻率对工程陶瓷电火花加工性能的影响研究

Effect of Electrical Resistivity on EDM Performance of Engineering Ceramics
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摘要 常用的工程陶瓷电阻率较高,直接采用电火花加工,性能较差。以ZnO/Al_2O_3陶瓷为例,研究了电阻率和脉冲宽度、脉冲间隔、工具极性等工艺参数对电火花加工工艺性能的影响。结果表明:采取合适的放电加工参数,在ZnO/Al2O3的电阻率达到3410Ω·cm时仍可对其进行有效的电火花加工。 The electrical resistivity of the popular engineering ceramics is higher, and there is poor performance that direct use of electro-discharge machining （EDM）. Taking ZnO/A1203 ceramics as an example,the effects of the electrical resistivity and EDM parameters such as pulse duration,pulse interval and tool polarity are studied. The results show that the ZnO/A1203 ceramic with the electrical resistivity up to 3410Ω .cm can be effectively machined by EDM in the appropriate machining conditions.
作者 纪仁杰 刘永红 徐臣臣 刁瑞强
机构地区 中国石油大学(华东)机电工程学院
出处 《电加工与模具》 2016年第1期1-5,共5页 Electromachining & Mould
基金 国家自然科学基金青年科学基金资助项目(51205411) 山东省自然科学基金联合专项资助项目(ZR2012EEL15) 中国博士后科学基金资助项目(2015M570619)
关键词 电火花加工 电阻率 工艺性能 工程陶瓷 EDM electrical resistivity machining performance engineering ceramics
分类号 TG661 [金属学及工艺—金属切削加工及机床]
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参考文献14

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