绝缘及弱导电工程陶瓷电火花加工

ContentsForewordPrefaceChapter 1 Electric Discharge Milling oflnsulating Engineering Ceramics1.1 Introduction1.2 Principle and characteristics ofED milling1.2.1 Principle ofED milling1.2.2 Characteristics ofED milling1.3 Experiments alo_d discussion1.3.1Effects ofthe pulse duration on the process performance1.3.2Effects ofthe pulseinterval on the process performance1.3.3 Effects ofthe peak current on the process performance1.3.4 Effect of tool polarity on the process performance1.3.5 Effect ofpeak voltage on the process performance1.3.6Effect ofrotational speed ofthe tool electrode on the process performance1.3.7 Effect offeed speed ofthe workpiece on the process performance1.3.8Effect of emulsion concentration ofthe machining fluid on the processperformance1.3.9 Effect ofNaN03 concentration ofthe machining fiuid on the processperformance1.3.10Effect ofPolyvinyl alcohol concentration on the process performance1.3.11Effect offlow velocity ofthe machining fiuid on the process performance1.4Numerical simulation ofsingle pulse discharge machining insulating Al20 3 ceramic1.4.1 Model details1.4.2 Finite element formulations 1.4.3 Results and d:iscussion1.5 ConclusionsRe ferencesChapter 2 Single Discharge Macluning oflnsulating Ceramics Efficiently with High Energy Capacitor2.1 Introduction2.2 Experiments2.2.1 Experimentalprinciple2.2.2 Experimentalprocedure2.3 Results and discussion2.3.1 Effect oftoolpolarity on the process performance2.3.2Effect ofpeak voltage on the process performance2.3.3 Effect ofcapacitance on the process performance2.3.4Effect of current-limiting resistance on the process performance2.3.5Effect oftool electrode feed on the process performance2.3.6 Effect oftool electrode section area on the process performance2.3.7Effect of assisting electrode thickness on the process performance2.4 Microstructure character ofsingle discharge crater oninsulating ceramicsurface2.5 ConclusionsReferencesChapter 3 ElectricaIDischarge MechanicaIGrinding oflnsulating EngineeringCeramics3.1 Introductio3.2 Principle ofEDGSSDE3.3 Formation and function of oxide layer on grinding wheel3.4Formation and filnction ofmetamorphosedlayer on workpiece surface3.5 Analysis ofresidual stresses in EDGSSDE ofengineering ceramics3.5.1 Assumptions3.5.2 Temperaturemodels3.5.3 Residual stresses model3.5.4 Results3.6 Experiments3.6.1 ExperimentaIConditions3.6.2 Results and analyses3.7 ConclusionsRe ferencesChapter 4 ElectricaIDischarge Milling ofWeakly Conductive Engineering CeranucsChapter 5 End Electric Discharge Milling ofWeakly Conductive Engineering CeramicsChapter 6 Electric Discharge Milling and Mecharucal Grinding Compound Machining ofWeakly Conductive Engineering CeramicsChapter 7 High Speed End ElectricalDischarge Milling and Mechanical Grinding ofWeakly Conductive Engineering CeramicsChapter 8 Machining Fluid for Electrical Discharge Machining of Engineering Ceranucs