Hard yet tough V-Al-C-N nanocomposite coatings: Microstructure, mechanical and tribological properties
Hard yet tough V-Al-C-N nanocomposite coatings: Microstructure, mechanical and tribological properties
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坚硬而坚韧的 V-Al-C-N 纳米复合涂层：微观结构、机械和摩擦学性能
DOI：
10.1016/j.surfcoat.2016.07.061
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发表时间：
2016-10
影响因子：
5.4
通讯作者：
Wang Aiying
中科院分区：
文献类型：
--
作者：
Wang Zhenyu;Li Xiaowei;Wang Xin;Cai Sheng;Ke Peiling;Wang Aiying
硬质涂料作为一种耐磨涂料在工业上得到了广泛的应用，但由于其固有脆性高，容易发生失效。为了在不显著牺牲硬度的前提下提高韧性，我们设计了V-Al-C-N纳米复合涂层，并在不同N2flow下溅射V2AlC靶材，成功地控制了由v基纳米晶硬相和富sp2非晶碳软相组成的微观结构。结果表明：当N2flow在5 ~ 20 sccm范围内变化时，涂层硬度几乎与N2flow无关，维持在~ 30 GPa左右，韧性得到显著提高，H/E比达到0.11，弹性回复率达到69%。此外，V-Al-C-N纳米复合涂层在10 n的正常载荷下具有较低的磨损率（< 1.5 × 10−16m3/Nm），涂层的坚硬韧性和较高的耐磨性是由于其特殊的纳米复合微观结构以及摩擦阶段形成的富sp2非晶碳和v2o5 magnacrili相的协同润滑作用。
Hard coatings have been widely used in industrial applications as wear-resistant coatings, but are prone to failure due to the high intrinsic brittleness. In order to improve toughness without significantly sacrificing hardness, here we designed the V-Al-C-N nanocomposite coatings, and the microstructures consisting of V-based nanocrystalline hard phases and sp2-riched amorphous carbon soft phases were successfully manipulated by sputtering V2AlC target under various N2flow rates. Results indicated that the coating hardness was almost independent on the N2flow rate and maintained around ~ 30 GPa as changing N2flow rate from 5 to 20 sccm, while the toughness was significantly improved, and the high H/E ratio of 0.11 and elastic recovery of 69% could be obtained, respectively. In addition, the V-Al-C-N nanocomposite coatings showed low wear rate (< 1.5 × 10− 16m3/Nm) under a normal load of 10 N. The hard yet tough characteristic and high wear resistance for the deposited coatings were attributed to the special nanocomposite microstructures as well as the synergistic lubricant effect derived from both sp2-riched amorphous carbon and V2O5Magnéli phases formed during friction stage.
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影响因子：
5.4
作者：
J. C. Sánchez-López;D. Martinez-Martinez-D.-Martinez-Martinez-1404808168;C. López-Cartes;Asunción Fernández
通讯作者：
J. C. Sánchez-López;D. Martinez-Martinez-D.-Martinez-Martinez-1404808168;C. López-Cartes;Asunción Fernández
射频磁控溅射制备超硬TiAlCN涂层
影响因子：
2.1
作者：
Zeng Yuqiao;Qiu Yuedong;Mao Xiangyang;Tan Shuyong;Tan Zhen;Zhang Xuhai;Chen Jian;Jiang Jianqing
通讯作者：
Jiang Jianqing
影响因子：
5.4
作者：
J. Musil;P. Zeman;H. Hrubý;P. Mayrhofer
通讯作者：
J. Musil;P. Zeman;H. Hrubý;P. Mayrhofer
影响因子：
5.4
作者：
L. Yate;L. Martínez-de-Olcoz;J. Esteve;A. Lousa
通讯作者：
L. Yate;L. Martínez-de-Olcoz;J. Esteve;A. Lousa
影响因子：
5.4
作者：
Fanping Meng;Bo Wang-;F. Ge;F. Huang
通讯作者：
Fanping Meng;Bo Wang-;F. Ge;F. Huang