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所属单位：外国语学院

发表刊物：JOURNAL OF ALLOYS AND COMPOUNDS

关键字：CrMoSiCN coatings Microstructure Hardness Tribological properties Seawater

摘要：CrMoSiCN coatings were successfully deposited on Si wafers and titanium alloy substrates using unbalance magnetron sputtering system, and the Mo content in coatings was controlled by adjusting the Mo target current. The topography and microstructures of CrMoSiCN coatings were observed and detected using scanning electron microscope (SEM), X-ray diffraction (XRD) and X-ray photoelectron spectroscopy (XPS), respectively. The mechanical properties of coatings were characterized using scratch and nano-indentation tests, while the tribological behavior of coatings sliding against Al2O3 balls in seawater was performed using ball-on-disk wear tests. The results showed that (Cr, Mo)N substitutional solid solution was formed in the CrMoSiCN coatings, and more of the Mo2N phase appeared as the Mo target current increased. The maximum values of hardness and elastic modulus were 24.8 GPa and 321.7 GPa when the Mo target current was 2 A (10.1 at.% Mo content). The friction coefficient of CrMoSiCN/Al2O3 tribopairs decreased with an increase in the Mo target current. The minimum mean-steady friction coefficient was 0.37 at the Mo target current of 3 A (16.3 at.% Mo content), while the minimum specific wear rate of coatings was 1.5 x 10(-6) mm(3)/Nm at the Mo target current of 0.5 A. (C) 2019 Elsevier B.V. All rights reserved.

ISSN号：0925-8388

是否译文：否

发表时间：2019-06-30

合写作者：Fu, Yongqiang,王谦之,Zhang, Maoda,Zhou, Zhifeng,Li, Lawrence Kwok-Yan

通讯作者：周飞,王谦之,周飞