夏铭,王泽华,周泽华,胡亚群,邵佳,盛欢.氮化钛 / 氧化钛复相陶瓷涂层的干滑动摩擦磨损性能[J].表面技术,2015,44(11):52-58,78.
XIA Ming,WANG Ze-hua,ZHOU Ze-hua,HU Ya-qun,SHAO Jia,SHENG Huan.Dry Sliding Wear and Friction Performance of TiN/ TiO Composite Ceramic Coating[J].Surface Technology,2015,44(11):52-58,78
氮化钛 / 氧化钛复相陶瓷涂层的干滑动摩擦磨损性能
Dry Sliding Wear and Friction Performance of TiN/ TiO Composite Ceramic Coating
投稿时间:2015-07-24  修订日期:2015-11-20
DOI:10.16490/j.cnki.issn.1001-3660.2015.11.009
中文关键词:  等离子喷涂  氮化钛/ 氧化钛  复相陶瓷涂层  摩擦性能  磨损机制
英文关键词:plasma spraying  TiN / TiO  composite ceramic coating  friction property  wear mechanism
基金项目:国家自然科学基金(51379070);江苏省普通高校研究生科研创新计划项目(CXZZ13-02)
作者单位
夏铭 河海大学 力学与材料学院, 南京 210098 
王泽华 河海大学 力学与材料学院, 南京 210098 
周泽华 河海大学 力学与材料学院, 南京 210098 
胡亚群 河海大学 力学与材料学院, 南京 210098 
邵佳 河海大学 力学与材料学院, 南京 210098 
盛欢 河海大学 力学与材料学院, 南京 210098 
AuthorInstitution
XIA Ming College of Mechanics and Materials, Hohai University, Nanjing 210098, China 
WANG Ze-hua College of Mechanics and Materials, Hohai University, Nanjing 210098, China 
ZHOU Ze-hua College of Mechanics and Materials, Hohai University, Nanjing 210098, China 
HU Ya-qun College of Mechanics and Materials, Hohai University, Nanjing 210098, China 
SHAO Jia College of Mechanics and Materials, Hohai University, Nanjing 210098, China 
SHENG Huan College of Mechanics and Materials, Hohai University, Nanjing 210098, China 
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中文摘要:
      目的 研究等离子喷涂 TiN/ TiO 复相陶瓷涂层的微观组织结构、显微硬度及干滑动摩擦磨损行为和机理。 方法 采用等离子喷涂技术,在 45#钢表面制备 TiN/ TiO 复相陶瓷涂层。 分析涂层的相组成,测试涂层的硬度。 通过磨损试验研究 TiN/ TiO 复相陶瓷涂层的磨损行为,并观察涂层的磨损形貌,测试磨损表面的成分组成,探讨 TiN/ TiO 复相陶瓷涂层的磨损机理。 结果 TiN/ TiO 复相陶瓷涂层均匀致密,平均厚度为 350 μm,具有明显的层状结构,孔隙率为 4. 3% ,显微硬度为 1444HV0. 1。 在载荷 30 ~ 50 N、转速 370 ~1102 r/ min 的范围内,TiN/ TiO 复相涂层与 GCr15 对磨的摩擦系数为 0. 0963 ~0. 2778,磨损量为 1. 32 ~6. 8 mg。 随着载荷的增加,摩擦系数下降;随着载荷和转速的增加,磨损量增加。 结论 等离子喷涂制备的 TiN/ TiO 复相涂层组织致密,显微硬度高,在低速低载荷时表现出较好的耐磨性,但随着载荷和转速的增加,耐磨性降低。 涂层的磨损机制主要为磨粒磨损和粘着磨损。
英文摘要:
      Objective To study the microstructure, microhardness as well as dry sliding wear and friction behavior and mechanism of plasma sprayed TiN/ TiO composite ceramic coating under different conditions. Methods TiN/ TiO ceramic coating was prepared on 45# steel by reactive plasma spraying technology. Phase composition of the coating was analyzed using X-ray diffraction (XRD) and the microhardness was measured by a hardness tester. The wear and friction behavior of TiN/ TiO composite ceramic coating was studied through wear and friction tests, the wear and friction morphology was observed, the composition of the wear surface was tested, and the wear mechanism of TiN / TiO composite ceramic coating was discussed. Results The coating was even and dense with obvious layered structure and an average thickness of 350 μm. The porosity of the coating was 4. 3% and the hardness was 1444HV0. 1. Under the conditions of rotational speed at 370 to 1102 r / min and load at 30 to 50 N, the friction coefficient ranged from 0. 0963 to 0. 2778 and the wear mass loss was from 1. 32 to 6. 8 mg. Besides, the friction coefficient decreased with increasing load while the wear mass loss of the coated samples had an increasing trend with the increasing load and rotational speed. Conclusion The coating prepared by plasma spraying was dense with high microhardness. When the load and rotational speed were low, it had excellent wear resistance. However, the wear resistance decreased with increasing load and rotational speed. The main wear mechanisms of the coating were abrasive wear and adhesive wear.
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