电弧送丝增材、激光选区熔化增材和传统<strong>TC4</strong>钛合金钝化行为的对比研究

doi:10.11902/1005.4537.2025.266

中国腐蚀与防护学报

2026, Vol. 46

Issue (1): 186-192 CSTR: 32134.14.1005.4537.2025.266 DOI: 10.11902/1005.4537.2025.266

增材制造与腐蚀专题

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电弧送丝增材、激光选区熔化增材和传统TC4钛合金钝化行为的对比研究

李柯萱¹, 王义朋², 廖伯凯³(

)

^1.宁波工程学院材料与化学工程学院宁波 315200
^2.北京工业大学材料科学与工程学院北京 100124
^3.广州大学化学化工学院广州 510006

Comparative Study on Passive Behavior of Wire Arc Additive Manufactured, Selective Laser Melted, and Conventional TC4 Ti-alloys

LI Kexuan¹, WANG Yipeng², LIAO Bokai³(

)

^1.Ningbo University of Technology, School of Materials and Chemical Engineering, Ningbo 315200, China
^2.College of Materials Science and Engineering, Beijing University of Technology, Beijing 100124, China
^3.School of Chemistry and Chemical Engineering, Guangzhou University, Guangzhou 510006, China

引用本文:

李柯萱, 王义朋, 廖伯凯. 电弧送丝增材、激光选区熔化增材和传统TC4钛合金钝化行为的对比研究[J]. 中国腐蚀与防护学报, 2026, 46(1): 186-192.
Kexuan LI, Yipeng WANG, Bokai LIAO. Comparative Study on Passive Behavior of Wire Arc Additive Manufactured, Selective Laser Melted, and Conventional TC4 Ti-alloys[J]. Journal of Chinese Society for Corrosion and protection, 2026, 46(1): 186-192.

全文: PDF(7196 KB) HTML

摘要:

TC4钛合金凭借其优异的综合性能在工业领域备受关注，但其加工难度较大，增材制造技术被视为一种有效的加工替代方案。本文通过电化学测试与XPS分析，对比研究了电弧增材制造、激光选区熔化增材制造与传统锻造TC4钛合金的钝化行为，结果表明，3种状态下形成的钝化膜在主要组成元素与半导体性质方面相似，但膜内各成分的相对占比及所含的缺陷浓度存在差异。

关键词 ：电弧增材制造, 激光选区熔化, TC4 钛合金, 钝化

Abstract：

TC4 Ti-alloy has garnered significant attention in industrial applications due to its excellent comprehensive properties, but its difficult machinability makes additive manufacturing technologies a promising alternative processing method. Hence, in the article, the passivation behavior of three TC4 Ti alloys fabricated by wire arc additive manufacturing (WAAM), selective laser melting (SLM) additive manufacturing and conventional forging was comparatively assessed by means of electrochemical testing in 3.5%NaCl solution of pH = 6.8 ± 0.2 at 25 ^oC, and XPS analysis. The results demonstrate that while the passive films formed on the three alloys share similar characteristics in primary constituent elements and semiconducting properties, but notable differences exist in the relative proportions of constituents and defect concentrations of films.

Key words： wire arc additive manufacturing (WAAM) selective laser melting (SLM) TC4 Ti-alloy passivation

收稿日期: 2025-08-25 32134.14.1005.4537.2025.266

ZTFLH:

TG174

通讯作者: 廖伯凯，E-mail：bokailiao@gzhu.edu.cn，研究方向为金属腐蚀与防护

作者简介: 李柯萱，1987年生，2019年毕业于北京科技大学安全科学与工程专业，获博士学位。现就职于宁波工程学院化学与材料工程学院。主要研究方向为材料腐蚀与防护、房屋消防管理与矿山安全评价等，曾参与宁波市地方规范编制，先后在《中国腐蚀与防护学报》等期刊发表论文10余篇。
廖伯凯，1991 年生，2018 年毕业于华中科技大学获博士学位，2018~2019年香港理工大学博士后，现就职于广州大学，副教授，硕士生导师。主要研究方向为腐蚀电化学与缓蚀控制技术，致力于热流场、电场等物理场作用下金属腐蚀行为及电化学腐蚀机理；以及基于缓蚀剂方法的腐蚀防护策略与技术，通过化学、机械-化学等方法，设计并开发系列新型高效缓蚀剂，阐释了缓蚀剂分子吸脱附行为与膜层重构转化对缓蚀作用的影响机制。先后主持国家自然科学基金、广东省自然科学基金、广州市科技计划和企事业单位技术服务等项目多项。以第一/通讯作者在Corros. Sci.、《中国腐蚀与防护学报》等期刊发表论文80余篇，ESI高被引及热点论文8篇，被引3000 余次，H因子30；授权中国发明专利10 余项（转化专利1项）；参编出版中英文专著（章节）4部；作大会/邀请报告10余次；获中国化工学会技术发明一等奖、广东省科技进步二等奖等3项；入选全球前2%顶尖科学家年度榜单。现担任《中国腐蚀与防护学报》、Corrosion Communications 青年编委。

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https://www.jcscp.org/CN/10.11902/1005.4537.2025.266 或 https://www.jcscp.org/CN/Y2026/V46/I1/186

图1 传统SLM和WAAM TC4钛合金的EBSD结果

图2 SLM、WAAM和传统TC4钛合金的XRD谱

图3 SLM、WAAM和传统TC4钛合金浸泡1800 s的OCP

图4 SLM、WAAM和传统TC4钛合金的动电位极化曲线

表1 SLM、WAAM和传统TC4钛合金的动电位极化曲线的拟合结果

图5 SLM、WAAM和传统TC4钛合金的恒电位图

图6 SLM、WAAM和传统TC4钛合金浸泡1800 s的恒电位极化对数处理图

图7 SLM、WAAM和传统TC4钛合金的M-S曲线

图8 SLM、WAAM和传统TC4钛合金钝化膜的ND值

图9 SLM、WAAM和传统TC4钛合金钝化膜的XPS结果

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