[1]崔艳宇.doi: 10.3969/j.issn.1001-3849.2026.02.019基于AT13汽车关键部件镍基复合涂层材料制备及性能分析[J].电镀与精饰,2026,(02):154-162.
　CUI Yanyu.Preparation and performance analysis of nickel-based composite coating materials for critical automotive components based on AT13[J].Plating & Finishing,2026,(02):154-162.
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doi: 10.3969/j.issn.1001-3849.2026.02.019基于AT13汽车关键部件镍基复合涂层材料制备及性能分析()

《电镀与精饰》[ISSN:1001-3849/CN:12-1096/TG]

卷:
期数:
2026年02
页码:
154-162
栏目:
出版日期:
2026-02-28

文章信息/Info

Title:
Preparation and performance analysis of nickel-based composite coating materials for critical automotive components based on AT13
作者:
崔艳宇
(长春汽车职业技术大学 交通工程学院,吉林 长春 130013)
Author(s):
CUI Yanyu
(College of Traffic Engineering, Changchun Vocational and Technical University, Changchun 130013, China)
关键词:
汽车关键部件; 镍基复合涂层; AT13粉末; 等离子喷涂; 耐腐蚀性
Keywords:
critical automotive components;  nickel base composite coating;  AT13 powder;  plasma spraying;  corrosion resistance
分类号:
TB333；TQ153
文献标志码:
A
摘要:
针对汽车关键部件防护需求，研究分析Al2O3-13% TiO2(AT13)添加量及TiO2粒径对镍基复合涂层性能的影响，从而优化涂层制备工艺参数。采用等离子喷涂技术制备NiCrBSi/AT13复合涂层，研究AT13含量及TiO2粒径对涂层微观结构与性能的影响。通过分析物相组成与微观形貌，结合硬度、强度、摩擦磨损及盐雾腐蚀等测试，评估涂层综合性能。AT13添加量为8 wt.%时，涂层孔隙率最低，为3.1%，硬度达1 172 HV0.3，较纯NiCrBSi涂层提升38.5%，结合强度峰值为15.3 MPa，磨损率降至0.913×10–6 mm 3?N–1?m–1，腐蚀速率为1.28 mg/(dm2?d)。在AT13添加量固定为8 wt.%时，TiO2粒径减小至5～10 μm，涂层孔隙率进一步降低至2.8%，结合强度较同组别粗粒径(如30～40 μm时10.9 MPa)提升至14.1 MPa，腐蚀速率最低为1.15 mg/(dm2?d)。过量AT13或粗粒径TiO2会导致孔隙率增加、硬度下降及腐蚀加剧。AT13添加量8 wt.%与TiO2粒径5～10 μm的协同作用可显著改善涂层致密性与界面结合，实现硬度、耐磨性与耐蚀性的优化平衡。该工艺参数下制备的镍基复合涂层综合性能优异，为汽车关键部件防护提供了新的材料选择。
Abstract:
In response to the critical automotive components protection requirements, this study analyzes the effects of Al2O3-13% TiO2 (AT13) addition and TiO 2 particle size on the performance of nickel based composite coatings, in order to optimize the coating preparation process parameters. NiCrBSi/AT13 composite coating was prepared by plasma spraying technology, and the effects of AT13 content and TiO2 particle size on the microstructure and properties of the coating were studied. The comprehensive properties of the coating were evaluated by analyzing the phase composition and micromorphology, hardness, bonding strength, friction and wear, and salt spray corrosion. When the addition of AT13 is 8 wt.%, the porosity of the coating is the lowest (3.1%), the hardness is 1 172 HV 0.3, 38.5% higher than that of pure NiCrBSi coating, the peak binding strength is 15.3 MPa, and the wear rate decreases to 0.913×10 –6 mm 3?N–1?m–1. The corrosion rate is 1.28 mg/(dm2?d). When the amount of AT13 added is fixed at 8wt.%, the TiO2 particle size decreases to 5~10 μm, the coating porosity further decreases to 2.8%, and the bonding strength increases to 14.1 MPa compared to the same group of coarse particles (such as 10.9 MPa at 30~40 μm). The lowest corrosion rate is 1.15 mg/(dm2?d). Excessive AT13 or coarse particle size TiO2 can lead to increased porosity, decreased hardness and increased corrosion. The synergistic effect of AT13 addition of 8 wt.% and TiO2 particle size of 5~10 μm can significantly improve the coating densification and interface bonding, and achieve the optimal balance of hardness, wear resistance and corrosion resistance. The nickel-based composite coating prepared under these technological parameters has excellent comprehensive properties and provides a new material choice for critical automotive components protection.

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更新日期/Last Update: 2026-02-09