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不同双层结构AlCrN/AlCrVN多层涂层的力学和磨损性能
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1.安徽工业大学 先进金属材料绿色制备与表面技术教育部重点实验室,安徽 马鞍山 243000;2.安徽工业大学 现代表界面工程研究中心,安徽 马鞍山 243002;3.安徽工业大学 材料科学与工程学院,安徽 马鞍山 243002

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基金项目:

the Science Foundation of Anhui Province (Grant no. 1808085QE131), Tribology Science Fund of State Key Laboratory of Tribology (Grant no. SKLTKF18B13). This work was also supported by the Key research and development plan of Anhui Province (Grant no. 1804b06020370)


Mechanical and Wear Properties of AlCrN/AlCrVN Multi-layer Coatings with Different Numbers of Bilayers
Author:
Affiliation:

1.Key Laboratory of Green Fabrication and Surface Technology of Advanced Metal Materials, Ministry of Education, Anhui University of Technology, Maanshan 243000, China;2.Research Center of Modern Surface & Interface Engineering, Anhui University of Technology, Maanshan 243002, China;3.School of Materials Science and Engineering, Anhui University of Technology, Maanshan 243002, China

Fund Project:

Science Foundation of Anhui Province (1808085QE131); Tribology Science Fund of State Key Laboratory of Tribology (SKLTKF18B13); Key Research and Development Plan of Anhui Province (1804b06020370)

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    摘要:

    采用电弧离子镀的方法制备了不同数目(1、2、4、6)双层结构的AlCrN/AlCrVN多层涂层,并研究了多层结构对涂层微观结构、力学、摩擦学和切削性能的影响。结果显示,沉积态AlCrN/AlCrVN多层涂层主要由固溶(Al,Cr)N组成,优先生长方向为[111]晶向。与其他多层涂层相比,具有6层双层结构的AlCrN/AlCrVN涂层在高温下表现出较低的摩擦系数(约0.46)和磨损率(0.15×10-11 m3/N·m),以及较高的硬度(HK0.05=38 000 MPa)和膜-基结合强度(LC2=53±1 N)。多层涂层相邻层之间形成了较多的界面,有助于提高多层涂层的硬度和耐磨性。切削试验结果显示,当切削磨损标准VB=0.2时,AlCrN/AlCrVN-6涂层具有较高的硬度和耐磨性,最长的切削长度为7.4 m。

    Abstract:

    AlCrN/AlCrVN multi-layer coatings with different numbers (1, 2, 4, 6) of bilayers were deposited by arc ion plating method. The effects of multi-layer structure on microstructure, mechanical properties, tribological properties, and cutting performance were investigated. The results show that the deposited AlCrN/AlCrVN multi-layer coatings are mainly composed of solid solution (Al,Cr)N with preferred growth orientation of [111] crystal orientation. Compared with other multi-layer coatings, the lowest coefficient of friction (~0.46), the lowest wear rate of 0.15×10-11 m3/N·m, the highest hardness of HK0.05=38 000 MPa, and coating-substrate bonding strength of LC2=53±1 N can be achieved for AlCrN/AlCrVN multi-layer coating with 6 bilayers at high temperature. The improvement in hardness and wear resistance is due to the formation of more interfaces between adjacent layers. Cutting test results reveal that AlCrN/AlCrVN coating with 6 bilayers has the longest cutting length of 7.4 m under the cutting wear standard condition of flank wear VB=0.2 due to its relatively higher hardness and better wear resistance.

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Iram Sidra,蔡飞,王建明,房磊琦,张家敏,Ahmad Farooq,张世宏.不同双层结构AlCrN/AlCrVN多层涂层的力学和磨损性能[J].稀有金属材料与工程,2022,51(1):74~82.[Sidra Iram, Cai Fei, Wang Jianming, Fang Leiqi, Zhang Jiamin, Farooq Ahmad, Zhang Shihong. Mechanical and Wear Properties of AlCrN/AlCrVN Multi-layer Coatings with Different Numbers of Bilayers[J]. Rare Metal Materials and Engineering,2022,51(1):74~82.]
DOI:10.12442/j. issn.1002-185X.20200803

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历史
  • 收稿日期:2020-10-19
  • 最后修改日期:2020-11-14
  • 录用日期:2020-11-25
  • 在线发布日期: 2022-02-04
  • 出版日期: 2022-01-28