Lei Sizhe Zhai Xiaoxia Ruan Le Qin Dongli Jiang Jiqiong *.Effect of process parameters on the performance of Zn-TiO 2 composite coating[J].Plating & Finishing,2024,(11):17-22.
工艺参数对ZnTiO2 复合镀层性能的影响
- Title:
- Effect of process parameters on the performance of Zn-TiO 2 composite coating
- 关键词:
- 氯化物体系; Zn-TiO 2 复合镀层; 耐蚀性; 厚度
- Keywords:
- chloride system ; Zn-TiO 2 composite coating ; corrosion resistance ; thickness
- 分类号:
- TQ153.2
- 文献标志码:
- A
- 摘要:
- 采用电沉积法在氯化物体系获得了 Zn-TiO 2 复合镀层,研究了颗粒添加量、电流密度和机械搅拌速度对镀层厚度和耐蚀性的影响,对工艺优化后的镀层进行了形貌和元素分布表征。结果表明:在 TiO 2 添加量为 10 g/L 、电流密度 2 A/dm 2 、搅拌速度为 150 r/min 的沉积条件下,获得的镀层厚度可达 8.3 μ m ,腐蚀电流最小为 2.983×10 -4 A ; TiO 2 颗粒成功共沉积到镀层当中,其质量分数为 4.6% ;镀层中 Zn 呈层状堆积分布, TiO 2 颗粒分布在 Zn 层交界处。
- Abstract:
- : Zn-TiO 2 composite coating was obtained by electrodeposition in a chlorinated system. The effects of particle addition , current density and mechanical stirring speed on the thickness and corrosion resistance of the coating were studied. The morphology and elemental distribution of the optimized coating were characterized. The results showed that under the deposition conditions of TiO 2 addition of 10 g/L , current density of 2 A/dm 2 and stirring speed of 150 r/min , the obtained coating thickness could reach 8.3 μ m and the minimum corrosion current was 2.983×10 -4 A. TiO 2 particles were successfully co-deposited into the coating with a mass fraction of 4.6% , Zn in the coating showed a layered stacking distribution , and TiO 2 particles were distributed at the junction of Zn layers.
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备注/Memo
收稿日期: 2024-04-19 修回日期: 2024-05-16 作者简介: 雷思哲( 2001 ─ ),男,硕士研究生,主要从事电化学研究, email : 532285801@qq.com * 通信作者: 姜吉琼( 1978 ─ ),女,高级实验师,主要从事电化学研究, email : 409786507@qq.com 工艺参数对 Zn-TiO 2 复合镀层性能的影响 雷思哲,翟晓霞,阮 乐,覃冬丽,姜吉琼 *