ZHANG Bao-guo, LIN Ke-ling, TIAN Xin-li, XUE Chun-fang, LI Fu-qiang. NumericalsimulationoftemperaturefieldforAl2O3ceramicsduringmicro-detonationofstrikingarcmachining[J]. Explosion And Shock Waves, 2012, 32(2): 129-135. doi: 10.11883/1001-1455(2012)02-0129-07
| Citation:
|
ZHANG Bao-guo, LIN Ke-ling, TIAN Xin-li, XUE Chun-fang, LI Fu-qiang. NumericalsimulationoftemperaturefieldforAl2O3ceramics
duringmicro-detonationofstrikingarcmachining[J]. Explosion And Shock Waves, 2012, 32(2): 129-135. doi: 10.11883/1001-1455(2012)02-0129-07
|
ZHANG Bao-guo, LIN Ke-ling, TIAN Xin-li, XUE Chun-fang, LI Fu-qiang. NumericalsimulationoftemperaturefieldforAl2O3ceramicsduringmicro-detonationofstrikingarcmachining[J]. Explosion And Shock Waves, 2012, 32(2): 129-135. doi: 10.11883/1001-1455(2012)02-0129-07
| Citation:
|
ZHANG Bao-guo, LIN Ke-ling, TIAN Xin-li, XUE Chun-fang, LI Fu-qiang. NumericalsimulationoftemperaturefieldforAl2O3ceramics
duringmicro-detonationofstrikingarcmachining[J]. Explosion And Shock Waves, 2012, 32(2): 129-135. doi: 10.11883/1001-1455(2012)02-0129-07
|
NumericalsimulationoftemperaturefieldforAl2O3ceramics
duringmicro-detonationofstrikingarcmachining
- 1.
ScienceandTechnologyonRemanufacturingLaboratory,
- 2.
AcademyofArmoredForcesEngineering,Beijing 100072,China;
More Information
- Corresponding author:
ZHANG Bao-guo
- Publish Date:
2012-03-25
-
Abstract
AthermaltransfermodelforAl2O3ceramicsduringmicro-detonationofstrikingarcmachining(
MDSAM)wasestablished.Basedonthefiniteelementtheory,thetemperaturefieldofAl2O3
ceramicsduringMDSAM wassimulatedwiththeaidoftheANSYSsoftware.Combinedwiththematerialproperties,
thesimulatedcavitydimensionwascomparedwiththemachiningexperimentalresultandtheeffectsofthemachiningparametersonthetemperaturef
eldwereanalyzed.ThesimulatedresultsshowthatthehighesttemperatureofAl2O3ceramicsduringMDSAMcanreach13435℃
withthegivenmachiningparameters.Theheat-affectedzoneisquitesmallandthemachiningtestis
consistentwiththesimulatedresults.Withtheincreaseofthepulsewidthandtheworkingcurrent,
thetemperatureoftheprocessingregionandtheradiusanddepthofthecavityincrease.Thetemperaturedecreaseswiththeincreaseofthenozzleradius,
whereasthediameter-to-depthratioofthecavity
increases.Thesimulatedresultscanprovideanimportantreferenceforthepredictionofthesurface
topography,thedisclosureofthematerialremovalmechanism,andtheoptimizationofthemachining
parametersforAl2O3ceramicsduringMDSAM.
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References
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