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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Pickling reaction:Fe+2H+Fe2+H2Coating reaction:5 Mn+10 H2PO4-(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:Alkaline cleaners i.e.Gardoclean 349 不含硅酸盐 不建议使用含硅酸盐脱脂剂酸洗:Hydrochlo
2、ric acid(10 15%)+Sulfuric acid(20%)+Phosphoric acid(15 20%)酸洗抑制剂GBA H8640 0.5-1.0 g/L锰磷化合适的产品表调:Gardolene V 6560A活化成分Gardolene V 6561B水调整Gardolene V 6562C添加剂锰磷化:Gardobond G 4003Gardobond G 4004Gardobond G 4040Gardobond G 4041Gardobond G 4042Gardobond G 4095锰磷化产品比较SystemGB G4003GB G4004GB G4095GB G40
3、98GB G4040GB G4041GB G4042组分组分A+EA+EA=EA=EA=EA=EA=E温度温度C95959595808080浓度浓度 GS50-803580-13080-13080-13080-13080-130膜重膜重 g/m24-102-57-307-304-204-204-20ApplicationHigh thruput,low CWVery low CWLow thruput,heavy CWLow thruput,medium CMLow temperature,Micro crystalline Gardobond G 4098,V1000,CRS锰磷化晶体照片锰
4、磷化晶体照片 GB G4041,V 1000 CRS 锰磷化晶体照片 Gardobond G4003,V1000 CRS锰磷化问题解答起因结果措施Fe(II)升高Thruput to highIncrease bath volumeFe(II)limitation through agitation 减少 Mn 的成分加 GBA H7203Gas time too longAcid ratio(FS/GS)to high Add GBA H7203Ineffective activation Fresh Activation or partial dumb Bath contaminated
5、with Cr(III)Add 1 g/L Na-citrate Increase concentrationPartial dumbManganese PhosphateTrouble shootingEffectCauseCountermeasureGas time too long Fe(II)concentration high Increase bath volume Reduce Free Acid(FA)Improve Activation Add GBA H 7050Coarse crystal structure Cleaner not suitable Use GC 349
6、 Ineffective activation Increase agitation Increase GL V6560A concentrationManganese PhosphateTrouble shootingEffectCauseCountermeasureNo-or bad-coating Contamination with Cr(III)Add 1 g/L Na-citratePartial dumb Low Mn concentration Add GBA H7203Pin-holes Acidity to high Add GBA H 7203 Increase Total Acid(TA)Change Mn/Fe ratio Alloy composition Increase Total Acid(TA)Reduce number of parts per barrel
锰系磷化中文版本课件
