无磷转化工艺参数对电泳漆膜附着力的影响探讨
TQ639; 针对白车身车门下方冷轧板出现的电泳漆膜附着力不达标问题,本工作对比研究了无磷转化处理时间、电泳漆烘烤温度、游离氟离子浓度和亚铁离子积累等工艺参数对电泳漆膜附着力的影响.结合现场随机检查膜重和电泳漆膜附着力情况,发现白车身车门下方冷轧板在无磷转化膜重超过40 mg/m2时可能出现电泳漆膜附着力不达标的问题.综合现场和实验室模拟试验,得出以下结论:需要严格按照现场工艺参数监控无磷转化槽液,控制亚铁离子含量低于25 mg/L、氟离子浓度控制在20～40 mg/L,才能使该位置板材的电泳漆膜附着力达标,适配现场的量产工艺....
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| Published in | 材料保护 Vol. 58; no. 2; pp. 156 - 161 |
|---|---|
| Main Author | |
| Format | Journal Article |
| Language | Chinese |
| Published |
北京现代汽车有限公司,北京 101300
15.02.2025
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| Subjects | |
| Online Access | Get full text |
| ISSN | 1001-1560 |
| DOI | 10.16577/j.issn.1001-1560.2025.0035 |
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| Abstract | TQ639; 针对白车身车门下方冷轧板出现的电泳漆膜附着力不达标问题,本工作对比研究了无磷转化处理时间、电泳漆烘烤温度、游离氟离子浓度和亚铁离子积累等工艺参数对电泳漆膜附着力的影响.结合现场随机检查膜重和电泳漆膜附着力情况,发现白车身车门下方冷轧板在无磷转化膜重超过40 mg/m2时可能出现电泳漆膜附着力不达标的问题.综合现场和实验室模拟试验,得出以下结论:需要严格按照现场工艺参数监控无磷转化槽液,控制亚铁离子含量低于25 mg/L、氟离子浓度控制在20～40 mg/L,才能使该位置板材的电泳漆膜附着力达标,适配现场的量产工艺. |
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| AbstractList | TQ639; 针对白车身车门下方冷轧板出现的电泳漆膜附着力不达标问题,本工作对比研究了无磷转化处理时间、电泳漆烘烤温度、游离氟离子浓度和亚铁离子积累等工艺参数对电泳漆膜附着力的影响.结合现场随机检查膜重和电泳漆膜附着力情况,发现白车身车门下方冷轧板在无磷转化膜重超过40 mg/m2时可能出现电泳漆膜附着力不达标的问题.综合现场和实验室模拟试验,得出以下结论:需要严格按照现场工艺参数监控无磷转化槽液,控制亚铁离子含量低于25 mg/L、氟离子浓度控制在20～40 mg/L,才能使该位置板材的电泳漆膜附着力达标,适配现场的量产工艺. |
| Abstract_FL | To address the issue of insufficient adhesion strength of electrophoretic paint film on the cold-rolled steel plates beneath the doors of white body vehicles,this study compared the effects of various process parameters,including phosphorus-free conversion treatment time,elec-trophoretic baking temperature,free fluoride ion concentration,and ferrous ion accumulation,on the adhesion of electrophoretic paint film.Through random on-site inspections of thickness and adhesion strength of the electrophoretic paint film,it was found that when the coating thickness of the phosphorus-free conversion layer exceeded 40 mg/m2,adhesion failure of the electrophoretic paint film on the cold-rolled steel beneath the doors of white body vehicles was likely to occur.Based on both on-site data and laboratory simulation tests,the following conclu-sions were drawn:only by strictly monitoring the non-phosphorus conversion bath in accordance with the on-site process parameters,control-ling the ferrous ion content below 25 mg/L and the fluoride ion concentration at 20～40 mg/L,can the adhesion of the electrophoretic paint film on the plate at this position reach the standard and adapt to the mass production process on site. |
| Author | 张成 |
| AuthorAffiliation | 北京现代汽车有限公司,北京 101300 |
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| Author_FL | ZHANG Cheng |
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| Author_xml | – sequence: 1 fullname: 张成 |
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| ClassificationCodes | TQ639 |
| ContentType | Journal Article |
| Copyright | Copyright © Wanfang Data Co. Ltd. All Rights Reserved. |
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| DOI | 10.16577/j.issn.1001-1560.2025.0035 |
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| DocumentTitle_FL | Effects of Phosphorus-Free Conversion Process Parameters on the Adhesion Properties of Electrophoretic Paint Film |
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| Keywords | 工艺参数 field application process parameters 现场应用 无磷转化 phosphate-free conversion 电泳漆膜 adhesion 附着力 electrophoretic paint film |
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| Publisher | 北京现代汽车有限公司,北京 101300 |
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| Snippet | TQ639; 针对白车身车门下方冷轧板出现的电泳漆膜附着力不达标问题,本工作对比研究了无磷转化处理时间、电泳漆烘烤温度、游离氟离子浓度和亚铁离子积累等工艺参数对电泳漆膜附着力的影响.结合现场随机检查膜重和电泳漆膜附着力情况,发现白车身车门下方冷轧板在无磷转化膜重超过40... |
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| Title | 无磷转化工艺参数对电泳漆膜附着力的影响探讨 |
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