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[1]牟 杨*,田北平,赵学磊.建筑铝合金模板的表面改性与耐蚀耐磨性能研究[J].电镀与精饰,2024,(10):21-27.
　Mou Yang *,Tian Beiping,Zhao Xuelei.Research on surface modification and corrosion and wear resistance of architectural aluminum alloy template[J].Plating & Finishing,2024,(10):21-27.
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建筑铝合金模板的表面改性与耐蚀耐磨性能研究

《电镀与精饰》[ISSN:1001-3849/CN:12-1096/TG] 卷: 期数: 2024年10 页码: 21-27 栏目: 出版日期: 2024-10-15
Title:
Research on surface modification and corrosion and wear resistance of architectural aluminum alloy template
作者:
牟 杨1*; 田北平2; 赵学磊3
(1. 宜宾职业技术学院,四川 宜宾 644000 ;2. 四川轻化工大学 学术部,四川 自贡 643002 ;3. 重庆理工大学 材料科学与工程学院,重庆 400054 )
Author(s):
Mou Yang 1*;  Tian Beiping2;  Zhao Xuelei3
(1. Yibin Vocational and Technical College, Yibin 644000, China; 2. Academic Department, Sichuan University of Light Industry and Technology, Zigong 643002, China; 3. School of Materials Science and Engineering, Chongqing University of Technology, Chongqing 400054, China)
关键词:
建筑铝合金; Ni基非晶合金粉; 复合涂层; 耐磨性; 耐蚀性
Keywords:
architectural aluminum alloy;  Ni-based amorphous alloy powder;  composite coating;  wear resistance;  corrosion resistance
分类号:
TG178；R318.08
文献标志码:
A
摘要:
为了提升建筑铝合金模板的表面耐蚀性和耐磨性，在6061铝合金模板表面制备了聚氨酯/Al（Ni基非晶合金）涂层，研究了Ni基非晶合金粉替代Al粉比例对复合涂层表面形貌、截面形貌、硬度、耐磨性和耐蚀性的影响。结果表明：随着Ni基非晶合金粉替代率的升高，复合涂层表面孔洞数量减少，孔洞等缺陷所占面积分数有所减小，不同Ni基非晶合金粉体积分数的复合涂层的厚度都约为125 ?m。在涂层中加入Ni基非晶合金粉后，复合涂层的显微硬度、耐磨性有不同程度提高，与基体的结合强度有不同程度减小，且随着复合涂层中Ni基非晶合金粉体积分数的增加，复合涂层的显微硬度逐渐增大，与基体的结合强度和磨损率逐渐减小。添加Ni基非晶合金粉的复合涂层的腐蚀速率都小于未添加Ni基非晶合金粉的T0涂层，且Ni基非晶合金粉体积分数为45%的复合涂层具有较高的硬度、耐磨性及最佳耐蚀性能。
Abstract:
In order to improve the surface corrosion resistance and wear resistance of building aluminum alloy templates, a polyurethane/Al (Ni based amorphous alloy) coating was prepared on the surface of 6061 aluminum alloy templates. The effect of Ni-based amorphous alloy powder replacing Al powder ratio on the surface morphology, cross-sectional morphology, hardness, wear resistance, and corrosion resistance of the composite coating was studied. The results showed that as the substitution rate of Ni-based amorphous alloy powder increased, the number of pores on the surface of the composite coating decreased, and the area fraction of defects such as pores decreased. The thickness of the composite coating with different volume fractions of Ni-based amorphous alloy powder was about 125 ?m. After adding Ni-based amorphous alloy powder to the coating, the microhardness and wear resistance of the composite coating were improved to varying degrees, and the bonding strength with the substrate was reduced to varying degrees. Moreover, as the volume fraction of Ni-based amorphous alloy powder in the composite coating increased, the microhardness of the composite coating gradually increased, and the bonding strength and wear rate with the substrate gradually decreased. The corrosion rate of composite coatings added with Ni-based amorphous alloy powder was lower than that of T0 coatings without Ni-based amorphous alloy powder, and the composite coating with a volume fraction of 45% Ni-based amorphous alloy powder had higher hardness, wear resistance and optimal corrosion resistance.

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更新日期/Last Update: 2024-10-16