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[1]王利艳*,咸庆军.建筑结构用Q235钢超声波辅助锌-锰系磷化处理及耐蚀性研究[J].电镀与精饰,2023,(8):26-33.[doi:10.3969/j.issn.1001-3849.2023.08.005]
　Wang Liyan*,Xian Qingjun.Study on zinc-manganese phosphating treatment and corrosion resistance of Q235 steel for construction structure[J].Plating & Finishing,2023,(8):26-33.[doi:10.3969/j.issn.1001-3849.2023.08.005]
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建筑结构用Q235钢超声波辅助锌-锰系磷化处理及耐蚀性研究

《电镀与精饰》[ISSN:1001-3849/CN:12-1096/TG] 卷: 期数: 2023年8 页码: 26-33 栏目: 出版日期: 2023-08-15
Title:
Study on zinc-manganese phosphating treatment and corrosion resistance of Q235 steel for construction structure
作者:
（1.河南建筑职业技术学院，河南 郑州 450001； 2.河南工业大学 土木工程学院，河南 郑州 450001）
Author(s):
（1.Henan Technical College of Construction， Zhengzhou 450001， China； 2.School of Civil Engineering， Henan University of Technology， Zhengzhou 450001， China）

关键词:
锌 - 锰系磷化处理; 建筑结构钢; 超声波; 耐蚀性
Keywords:
zinc-manganese phosphating treatment ;  steel for construction structure ;  ultrasonic ;  corrosion resistance
分类号:
TG174
DOI:
10.3969/j.issn.1001-3849.2023.08.005
文献标志码:
A
摘要:
为有效提高建筑结构常用 Q235 钢的耐蚀性，采用锌 - 锰系磷化工艺对 Q235 钢进行表面处理，并在磷化过程中引入超声波。测试并分析了不加超声波以及施加超声波获得的锌 - 锰系磷化膜的物相、厚度、腐蚀前后的形貌特征及耐蚀性，同时探讨了施加超声波对锌 - 锰系磷化膜的影响机理。结果表明：在一定范围内超声波功率提高有利于提高形核密度并缩短成膜诱导期，在相同时间内获得缺陷少、较厚且表面致密性较好的锌 - 锰系磷化膜，表现出良好的耐蚀性。但超声波功率过高的情况下成膜速度变慢，锌 - 锰系磷化膜中缺陷增多，导致耐蚀性变差。超声波功率为 120 W 获得的锌 - 锰系磷化膜表面致密性最好，厚度达到 11.8 μ m ，其耐蚀性明显优于不加超声波获得的锌 - 锰系磷化膜，腐蚀电流密度相比于 Q235 钢降低了超过一个数量级，能对 Q235 钢起到理想的防护作用。
Abstract:
： In order to effectively improve the corrosion resistance of Q235 steel which is commonly used in construction structures ， the surface treatment of Q235 steel was carried out by zinc-manganese phosphating process ， and ultrasonic was introduced in the phosphating process. The phase ， thickness ， morphology characteristics before and after corrosion and the corrosion resistance of zinc-manganese phosphating films obtained with or without ultrasonic were tested and investigated ， and the influence mechanism of ultrasonic on zinc-manganese phosphating film was also discussed. The results show that an increase in ultrasonic power within a certain range is beneficial for increasing the nucleation density and shortening the film induction period. Within the same time ， the zinc-manganese phosphating film with fewer defects ， higher thickness and better surface densification can be obtained ， showing good corrosion resistance. However ， when the ultrasonic power is too high ， the film forming speed slows down ， and the defects in zinc-manganese phosphating film increase ， resulting in poor corrosion resistance. The zinc-manganese phosphating film obtained with ultrasonic power of 120 W has the best surface densification and the maximum thickness of 11.8 μ m ， its corrosion resistance is obviously better than that of the zinc-manganese phosphating film without ultrasonic. The corrosion current density is more than one order of magnitude lower than that of Q235 steel ， which can play an ideal protective effect on Q235 steel.

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备注/Memo

收稿日期： 2023-04-03 修回日期： 2023-04-20 * 通信作者： 王利艳（ 1981 ―），女，硕士，讲师，主要研究方向：土木工程材料、钢结构腐蚀与防护技术等， email ： Wang_45edu@163.com 基金项目： 国家自然科学基金项目（ 51708181 ）

更新日期/Last Update: 2023-08-03