李佳音,姜晨,王璐璐,管华双.十二烷基苯磺酸钠对磁性复合流体分散性及抛光质量的影响[J].表面技术,2021,50(8):389-395.
LI Jia-yin,JIANG Chen,WANG Lu-lu,GUAN Hua-shuang.Effect of Sodium Dodecyl Benzene Sulfonate on Dispersion and Polishing Quality of Magnetic Compound Fluid[J].Surface Technology,2021,50(8):389-395 |
| 十二烷基苯磺酸钠对磁性复合流体分散性及抛光质量的影响 |
| Effect of Sodium Dodecyl Benzene Sulfonate on Dispersion and Polishing Quality of Magnetic Compound Fluid |
| 投稿时间：2020-09-03 修订日期：2020-11-10 |
| DOI：10.16490/j.cnki.issn.1001-3660.2021.08.039 |
| 中文关键词: 磁性复合流体 SDBS 分散性 Zeta电位 抛光质量 |
| 英文关键词:magnetic compound fluid SDBS dispersion Zeta potential polishing quality |
| 基金项目:国家自然科学基金(51475310) |
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| Author | Institution |
| LI Jia-yin | School of Mechanical Engineering, University of Shanghai for Science and Technology, Shanghai 200093, China |
| JIANG Chen | School of Mechanical Engineering, University of Shanghai for Science and Technology, Shanghai 200093, China |
| WANG Lu-lu | School of Mechanical Engineering, University of Shanghai for Science and Technology, Shanghai 200093, China |
| GUAN Hua-shuang | School of Mechanical Engineering, University of Shanghai for Science and Technology, Shanghai 200093, China |
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| 中文摘要: |
| 目的 针对磁性复合流体(Magnetic Compound Fluid，MCF)中磨粒易团聚的问题，提出通过阴离子表面活性剂十二烷基苯磺酸钠(Sodium Dodecyl Benzene Sulfonate，SDBS)来提高MCF的分散性，进而提升抛光表面质量。方法 在MCF中添加不同质量分数的SDBS，采用激光粒度分布仪，测试抛光液中颗粒的粒径分布及中位粒径。利用Zeta电位分析仪，观察抛光液的Zeta电位分布，验证分散效果。使用SDBS含量不同的MCF对304不锈钢工件表面进行抛光，研究SDBS含量对MCF抛光材料去除率和表面粗糙度的影响规律。结果 当SDBS质量分数从0%增至3%时，MCF的中位粒径从6.845 μm降低至1.640 μm，Zeta电位的绝对值从13.2 mV升高至53.8 mV，抛光材料的去除率从3.11 mg/min增加至3.25 mg/min，表面粗糙度Ra从0.27 μm降低至0.09 μm，抛光表面质量显著提升。当SDBS质量分数继续增加至5%~7%时，分散效果趋于饱和，抛光质量保持稳定。结论 在MCF中添加适当质量分数的SDBS，可以有效解决磨粒团聚问题，提高MCF的分散性，抛光后表面质量明显改善。 |
| 英文摘要: |
| To solve the problem of particle agglomeration in Magnetic Compound Fluid (MCF), the anionic surfactant Sodium Dodecyl Benzene Sulfonate (SDBS) is used to improve the dispersion of MCF and the surface quality of polishing with different mass fraction of SDBS added to MCF. The particle size distribution and median particle size in the polishing solution are measured by laser particle size distribution instrument. Zeta potential distribution of polishing solution is observed by Zeta potential analyzer to verify the dispersion effect. The surface polishing of 304 stainless steel workpiece is carried out by using MCF with different SDBS content, and the influence law of SDBS content on MCF polishing material removal rate and surface roughness is investigated. When SDBS is added to 3%, the median MCF particle size decreases from 6.845 μm to 1.640 μm, the absolute value of Zeta potential increased from 13.2 mV to 53.8 mV, the removal rate of polishing material increased from 3.11 mg/min to 3.25 mg/min, the surface roughness Ra decreased from 0.27 μm to 0.09 μm, and the surface quality is significantly improved. When the SDBS mass fraction continues to increase to 5%, 7%, the dispersion effect tends to saturation and the polishing quality remains stable. SDBS with appropriate mass fraction added in MCF can effectively solve the problem of abrasive particle agglomeration, improve the dispersion of MCF, and improve the surface quality after polishing. |
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