[1]马冬威*,谭永星,邹 翔,等.doi: 10.3969/j.issn.1001-3849.2025.05.004工艺参数对Q235钢板锌系磷化膜微观形貌和耐蚀性的影响[J].电镀与精饰,2025,(05):24-29.
　Ma Dongwei*,Tan Yongxing,Zou Xiang,et al.Effects of parameters on the morphology and corrosion resistance of zinc based phosphating film on Q235 steel plates[J].Plating & Finishing,2025,(05):24-29.
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doi: 10.3969/j.issn.1001-3849.2025.05.004工艺参数对Q235钢板锌系磷化膜微观形貌和耐蚀性的影响()

《电镀与精饰》[ISSN:1001-3849/CN:12-1096/TG]

卷:
期数:
2025年05
页码:
24-29
栏目:
出版日期:
2025-05-31

文章信息/Info

Title:
Effects of parameters on the morphology and corrosion resistance of zinc based phosphating film on Q235 steel plates
作者:
马冬威1*; 谭永星1; 邹 翔2; 胡志华1; 饶晓晓1
(1. 湖北汽车工业学院 汽车材料学院,湖北 十堰 442002 ;2. 湛江德利车辆部件有限公司,广东 湛江 524003)
Author(s):
Ma Dongwei1*;  Tan Yongxing1;  Zou Xiang2;  Hu Zhihua1;  Rao Xiaoxiao1
(1. School of Automotive Materials, Hubei University of Automotive Technology, Shiyan 442002, China; 2. Zhanjiang Deni Vehicle Parts Co., Ltd., Zhanjiang 524003, China)
关键词:
Q235钢板; 工艺参数; 锌系磷化膜; 微观形貌; 耐腐蚀性能
Keywords:
Q235 steel plate;  process parameters;  zinc based phosphating film;  morphology;  corrosion resistance
分类号:
TG174.4
文献标志码:
A
摘要:
为提高商用车低碳钢板零部件的表面耐蚀性能，以Q235钢板为基体，采用不同磷化时间和磷化温度，在其表面制备出锌系磷化膜。通过扫描电镜、测厚仪、硫酸铜点滴试验、电化学工作站等测试方法，研究了磷化工艺参数对磷化膜微观形貌、膜厚及耐腐蚀性能的影响。结果表明，磷化工艺参数对磷化膜形貌及性能均有明显影响。当磷化温度为50 ℃，磷化时间为10 min时，基体表面可以获得均匀致密的磷化膜，膜厚为3 ?m，耐硫酸铜点滴时间为30 s，磷化膜自腐蚀电位较高且自腐蚀电流密度最小，优于其它工艺参数。
Abstract:
To improve the surface corrosion resistance of low-carbon steel plate components for commercial vehicles, a zinc based phosphating film was prepared on the surface of Q235 steel plate with different times and temperatures. The influence of phosphating process parameters on the microstructure, film thickness, and corrosion resistance of the phosphating film were studied using SEM, thickness gauge, performing bronze sulfate pitting test, electrochemical workstation and other test methods. The results show that the phosphating process parameters have a significant impact on the morphology and properties of the phosphating film. When the phosphating temperature is 50 ℃ and phosphating time is 10 minutes, the uniform and dense phosphating film can be obtained on the surface of substrate, and the film thickness is 3 ?m. The dripping time of copper sulfate is 30 s, and the self corrosion potential of phosphating film is high and the self corrosion current density is the minimum, which is superior to other process parameters

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更新日期/Last Update: 2025-05-19