83065000ZL108TG174.451B1001-3660200601-0084-02ApplicationofMicro-arcOxidationinEngine-pistonofFireEngineLULi-hongDepartmentofFireCommandTheArmedPoliceAcademyLangfang065000ChinaAbstractInordertoimprovethewearresistanceoftheengine-pistonofthefireengineandprolongitsusingtimethecoatingwasobtainedbymicro-arcoxidationontheengine-pistonofthefireengine.Thewearresistanceofthecoatingwasinvestigatedandtheresultofthecoatingsapplicationintheengine-pistonofthefireenginewasgiven.Theresultsofferthetheoreticalbasisandthepracticalexperiencesoftheapplicationofthemicro-arcoxidationintheengine-pistonofthefireengine.Andtheresultsshowthatitisviabletoapplythistechnology.KeywordsMicro-arcoxidationPistonWearresistanceFireengine2005-11-071974-01-2AlTiTaMg106/cm28000K311.1111.21→→→→→351Vol.35NO.120062SURFACETECHNOLOGYFeb.2006==================================================842ZL1083480V230V1.31Falex-6ε=WA/WBWAε=1WBε1WBWAZL1082MXT-122.1232310000ZL1085110500ZL1087~9231ZL108LB2.51134mg5.02268mg/mg3.56.2/mg0.40.68.710.32.24α-Al2O32.3242ZL1082121234/mm0.0300.0300.0300.030/mm0.0450.0700.0400.110/mm0.0150.0400.0100.08014410.080/0.015*5.34230.040/0.010=4331.Q235J.20022165-72.J.20022161-43.J.2001341≈≈≈≈≈≈≈≈≈≈≈≈≈≈≈≈≈≈≈≈≈≈≈≈≈≈≈≈≈≈≈≈≈≈≈≈≈≈≈≈≈≈≈≈≈≈≈≈≈≈≈≈≈≈≈≈≈≈≈≈≈≈≈≈≈≈≈≈≈≈≈≈≈≈≈≈≈≈≈≈≈≈≈≈≈≈≈≈≈≈≈≈≈≈≈≈====17-18023-68793154==================================================