不同喷涂工艺制备的Al2O3-13%TiO2涂层表面自由能与冲蚀磨损性能研究

doi:10.3901/JME.2016.10.059

机械工程学报 ›› 2016, Vol. 52 ›› Issue (10): 59-66.doi: 10.3901/JME.2016.10.059

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不同喷涂工艺制备的Al₂O₃-13%TiO₂涂层表面自由能与冲蚀磨损性能研究

李国禄¹, 李楠楠¹, 王海斗², 康嘉杰³

1. 河北工业大学材料科学与工程学院天津 300130;
2. 装甲兵工程学院装备再制造技术国防科技重点实验室北京 100072;
3. 中国地质大学(北京)工程技术学院北京 100083

出版日期:2016-05-15 发布日期:2016-05-15
作者简介:李国禄(通信作者),男,1966年出生,博士,教授。主要研究方向为表面工程与摩擦学等。E-mail：liguolu0305@163.com;李楠楠,男,1989年出生,硕士研究生。主要研究方向为表面工程。E-mail：lnnhblf@126.com
基金资助:
国家自然科学基金(51275151)、国家重点基础研究发展计划(973计划,2011CB013405)和国家杰出青年科学基金(51125023)资助项目

Research on Surface Free Energy and Erosion Wear Property of Al₂O₃-13%TiO₂ Coatings Prepared by Different Spraying Processes

LI Guolu¹, LI Nannan¹, WANG Haidou², KANG Jiajie³

1. School of Materials Science and Engineering, Hebei University of Technology, Tianjin 300130;
2. National Key Laboratory for Remanufacturing, Academy of Armored Forces Engineering, Beijing 100072;
3. School of Engineering and Technology, China University of Geosciences, Beijing 100083)

Online:2016-05-15 Published:2016-05-15

摘要/Abstract

摘要： 采用接触角测量仪和冲蚀磨损试验机等设备,研究超声速等离子喷涂与普通大气等离子喷涂两种技术制备的Al₂O₃-13%TiO₂涂层的表面自由能和冲蚀磨损性能,并对涂层的显微硬度、孔隙率及成分进行检测分析。研究结果表明,普通大气等离子喷涂技术制备的涂层,其表面和内部结构疏松,孔隙率及显微硬度分别为6.653%和836.93 HV_0.1。而超声速等离子喷涂技术制备的涂层,孔隙率及显微硬度分别为3.467%和1 078.68 HV_0.1,相比普通大气等离子喷涂而言,超声速等离子喷涂制备的涂层整体性能较为优异。通过对两种涂层的结构和表面自由能分析发现,超声速等离子喷涂Al₂O₃-13%TiO₂涂层由于结构致密、表面自由能较低而具有较为出色的冲蚀磨损性能。

关键词: Al2O3-13%TiO2涂层, 表面自由能, 冲蚀磨损, 等离子喷涂

Abstract: Contact angle measuring device and erosion wear testing machine are used to study the surface free energy and erosion performance of the Al₂O₃-13%TiO₂ coatings prepared by supersonic plasma spraying and atmospheric plasma spraying. The microhardness, porosity and compositions are analyzed. The results show that the coating prepared by atmospheric plasma have a loose surface and internal structure, it’s porosity and microhardness are 6.653% and 836.93 HV_0.1, respectively. It is lower than the coating’s 3.467% and 1 078.68 HV_0.1 prepared by supersonic plasma spraying. Overall, the coating prepared by supersonic plasma spraying has an improved performance. Due to the dense structure and lower surface free energy, the coating prepared by supersonic plasma spraying has a relatively good erosion performance.

Key words: Al2O3-13%TiO2 coating, erosion wear, plasma spray, surface free energy

中图分类号:

TG174

李国禄, 李楠楠, 王海斗, 康嘉杰. 不同喷涂工艺制备的Al₂O₃-13%TiO₂涂层表面自由能与冲蚀磨损性能研究[J]. 机械工程学报, 2016, 52(10): 59-66.

LI Guolu, LI Nannan, WANG Haidou, KANG Jiajie. Research on Surface Free Energy and Erosion Wear Property of Al₂O₃-13%TiO₂ Coatings Prepared by Different Spraying Processes[J]. Journal of Mechanical Engineering, 2016, 52(10): 59-66.

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不同喷涂工艺制备的Al₂O₃-13%TiO₂涂层表面自由能与冲蚀磨损性能研究

Research on Surface Free Energy and Erosion Wear Property of Al₂O₃-13%TiO₂ Coatings Prepared by Different Spraying Processes

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