锰系磷化(中文版本).ppt

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1、锰系磷化锰磷化处理哪些工件钢变速箱部件:齿轮引擎部件:圆筒垫,凸轮轴,阀门杆泵部件:轴，活塞紧固件:螺钉，螺栓武器:枪杆锰磷化优点润滑耐磨减摩防腐蚀减噪锰磷化反应机理Picklingreaction:Fe+2H+Fe2++H2Coatingreaction:5Mn+10H2PO4-(Mn,Fe)5H2(PO4)4+6H++6H2PO4-Hureaulite锰磷化处理过程脱脂水洗锰磷化酸洗水洗水洗表调烘干RP钝化烘干锰磷化合适的产品脱脂:Alkalinecleanersi.e.Gardoclean®349不含硅酸盐不建议使用含硅

2、酸盐脱脂剂酸洗:Hydrochloricacid(10–15%)+Sulfuricacid(20%)+Phosphoricacid(15–20%)酸洗抑制剂GBAH86400.5-1.0g/LGBAH86220.5-2.0g/L锰磷化合适的产品表调:Gardolene®V6560A活化成分Gardolene®V6561B水调整Gardolene®V6562C添加剂锰磷化:Gardobond®G4003Gardobond®G4004Gardobond®G4040Gardobond®G4041Gardobond®G4042Gard

3、obond®G4095锰磷化产品比较SystemGBG4003GBG4004GBG4095GBG4098GBG4040GBG4041GBG4042组分A+EA+EA=EA=EA=EA=EA=E温度[°C]95>959595808080浓度[GS]50-803580-13080-13080-13080-13080-130膜重[g/m2]4-102-57-307-304-204-204-20ApplicationHighthruput,lowCWVerylowCWLowthruput,heavyCWLowthruput,mediu

4、mCMLowtemperature,MicrocrystallineGardobondG4098,V1000,CRS锰磷化晶体照片锰磷化晶体照片GBG4041,V1000CRS锰磷化晶体照片GardobondG4003,V1000CRS锰磷化问题解答起因结果措施Fe(II)升高ThruputtohighIncreasebathvolumeFe(II)limitationthroughagitation减少Mn的成分加GBAH7203GastimetoolongAcidratio(FS/GS)tohighAddGBAH7203I

5、neffectiveactivationFreshActivationorpartialdumbBathcontaminatedwithCr(III)Add1g/LNa-citrateIncreaseconcentrationPartialdumbManganesePhosphateTroubleshootingEffectCauseCountermeasureGastimetoolongFe(II)concentrationhighIncreasebathvolumeReduceFreeAcid(FA)ImproveActi

6、vationAddGBAH7050CoarsecrystalstructureCleanernotsuitableUseGC349IneffectiveactivationIncreaseagitationIncreaseGLV6560AconcentrationManganesePhosphateTroubleshootingEffectCauseCountermeasureNo-orbad-coatingContaminationwithCr(III)Add1g/LNa-citratePartialdumbLowMncon

7、centrationAddGBAH7203Pin-holesAciditytohighAddGBAH7203IncreaseTotalAcid(TA)ChangeMn/FeratioAlloycompositionIncreaseTotalAcid(TA)Reducenumberofpartsperbarrel