Al-B2O3-CeO2-粉煤灰复合增强涂层成分设计及冲蚀磨损分析

硅酸盐通报 ›› 2021, Vol. 40 ›› Issue (7): 2270-2279.

Al-B₂O₃-CeO₂-粉煤灰复合增强涂层成分设计及冲蚀磨损分析

孙方红¹, 马壮², 孙国栋³, 高志玉²

1.辽宁工程技术大学创新实践学院,阜新 123000;
2.辽宁工程技术大学材料科学与工程学院,阜新 123000;
3.凌源钢铁股份有限公司,朝阳 122000

收稿日期:2021-02-03 修回日期:2021-03-19 出版日期:2021-07-15 发布日期:2021-08-04
作者简介:孙方红(1980—),男,博士,副教授。主要从事金属表面强化和粉煤灰综合利用研究。E-mail:sfh1203@126.com
基金资助:
辽宁省教育厅科学研究一般项目(551501108);辽宁工程技术大学学科创新团队资助项目(LNTU20TD-40)

Composition Design and Erosion Wear Analysis of Al-B₂O₃-CeO₂-Fly Ash Composite Reinforced Coating

SUN Fanghong¹, MA Zhuang², SUN Guodong³, GAO Zhiyu²

1. School of Innovation and Practice, Liaoning Technical University, Fuxin 123000, China;
2. School of Materials Science and Engineering, Liaoning Technical University, Fuxin 123000, China;
3. Lingyuan Iron & Steel Co., Ltd., Chaoyang 122000, China

Received:2021-02-03 Revised:2021-03-19 Online:2021-07-15 Published:2021-08-04

摘要/Abstract

摘要： 为了提高粉煤灰作为增强材料在金属基复合材料中的应用和性能,通过热力学分析和正交优化试验确定Al-B₂O₃-CeO₂-粉煤灰复合增强涂层各成分之间可能发生的反应及最佳配方比例,采用等离子喷涂在ZG310-570基体制备了粉煤灰复合增强涂层,分析了粉煤灰复合增强涂层的表面形貌、物相和冲蚀磨损性能。结果发现,热力学分析和正交优化试验表明Al、B₂O₃、CeO₂和粉煤灰之间能发生固相反应,粉煤灰复合增强涂层配方最佳比例质量分数为粉煤灰55%、B₂O₃20%、Al20%、CeO₂5%;粉煤灰复合增强涂层呈凹凸不平的片层状结构,致密性好,存在纵向裂纹、未充分融化颗粒和孔隙;X射线分析表明粉煤灰复合增强涂层有Al₂O₃、CeB₆、2MgO·SiO₂、3CaO·B₂O₃等新相生成,与热力学分析结果一致;在一定冲蚀时间和冲蚀角度下,不同冲蚀转速时ZG310-570基体表面粉煤灰复合增强涂层的相对耐冲蚀磨损性能比基体分别至少提高了20.41倍、22.43倍和23.17倍。

关键词: Al-B₂O₃-CeO₂-粉煤灰复合增强涂层, 冲蚀磨损, 热震性, 等离子喷涂, ZG310-570铸钢

Abstract: In order to improve the application and performance of fly ash reinforced materials in metal matrix composites, thermodynamic analysis, and orthogonal optimization experiments are used to determine the possible reactions between the components of the Al-B₂O₃-CeO₂-fly ash composite reinforced coating and the best ratio formula. At the same time, the fly ash composite reinforced coating was prepared on ZG310-570 matrix by plasma spraying. The surface morphology, phase, and erosion wear properties of the fly ash composite reinforced coating were also analyzed. Thermodynamic analysis and orthogonal optimization experiments show that solid-phase reactions occur between Al, B₂O₃, CeO₂ and fly ash. The best proportion of fly ash composite reinforced coating formula was fly ash 55%, B₂O₃20%, Al20%, CeO₂5% (mass fraction). The fly ash composite reinforced coating has an uneven lamellar structure with good compactness, but there are longitudinal cracks, insufficiently melted particles, and pores. The results of X-ray analysis and thermodynamic analysis show that the fly ash composite reinforced coating has new phases such as Al₂O₃, CeB₆, 2MgO·SiO₂, 3CaO·B₂O₃, etc. In a certain erosion time, erosion angle and different erosion speeds, the relative erosion resistance of the fly ash composite reinforced coating was at least 20.41 times, 22.43 times and 23.17 times higher than that of the ZG310-570 matrix, respectively.

Key words: Al-B₂O₃-CeO₂-fly ash composite reinforced coating, erosion wear, thermal shock, plasma spraying, ZG310-570 cast steel

中图分类号:

TB333

孙方红, 马壮, 孙国栋, 高志玉. Al-B₂O₃-CeO₂-粉煤灰复合增强涂层成分设计及冲蚀磨损分析[J]. 硅酸盐通报, 2021, 40(7): 2270-2279.

SUN Fanghong, MA Zhuang, SUN Guodong, GAO Zhiyu. Composition Design and Erosion Wear Analysis of Al-B₂O₃-CeO₂-Fly Ash Composite Reinforced Coating[J]. BULLETIN OF THE CHINESE CERAMIC SOCIETY, 2021, 40(7): 2270-2279.

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Al-B₂O₃-CeO₂-粉煤灰复合增强涂层成分设计及冲蚀磨损分析

Composition Design and Erosion Wear Analysis of Al-B₂O₃-CeO₂-Fly Ash Composite Reinforced Coating

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