NIMTE OpenIR  > 2018专题
Continuously Growing Ultrathick CrN Coating to Achieve High Load-Bearing Capacity and Good Tribological Property
Li, Zechao; Wang, Yongxin; Cheng, Xiaoying; Zeng, Zhixiang; Li, Jinlong; Lu, Xia; Wang, Liping; Xue, Qunji
2018
发表期刊ACS APPLIED MATERIALS & INTERFACES
卷号10期号:3页码:2965-2975
摘要Continuous growth of traditional monolayer CrN coatings up to 24 h is successfully achieved to fabricate ultrathickness of up. to 80 pm on the 316, stainless steel substrate using a multiarc ion plating technique.. The microstructures, mechanical properties, and tribological properties evolution with the CrN coating continuously growing was evaluated in. detail. The-transmission electron Microscopy observations and inverse Fourier-filtered images reveal a relaxation mechanism during the continuous growth of CrN coating, which can lead to a decrease in the residual stress when coating growth time exceeds 5 h. The scratch test and friction test results, both show that the load-bearing capacity of coating is significantly increased as CrN coatings growing thicker. During the scratch test, the ultrathick CrN coating of thickness 80.6 mu m is not failed wider the load of 180 N, and the dominant failure mechanism is the cohesive failure including wedge spallation and cracking. The dry-sliding friction test results show the mean coefficient of friction and the wear rate of ultrathick CrN are respectively decreased by 17.2 and 56.8% at most compared with the thin coating (thickness is 5.4 mu m). The,ultrahigh load-bearing capacity and, excellent tribological property are attributed to the relaxation mechanism and limited contact pressure as the coating grows continuously.
关键词Thin-films Multilayer Coatings Residual-stresses Hard Coatings Mechanical-properties Corrosion-resistance Internal-stress Carbon Coatings Wear Behavior Atomic Layer
学科领域Chemistry ; Electrochemistry ; Energy & Fuels
语种英语
文献类型期刊论文
条目标识符http://ir.nimte.ac.cn/handle/174433/16863
专题2018专题
推荐引用方式
GB/T 7714
Li, Zechao,Wang, Yongxin,Cheng, Xiaoying,et al. Continuously Growing Ultrathick CrN Coating to Achieve High Load-Bearing Capacity and Good Tribological Property[J]. ACS APPLIED MATERIALS & INTERFACES,2018,10(3):2965-2975.
APA Li, Zechao.,Wang, Yongxin.,Cheng, Xiaoying.,Zeng, Zhixiang.,Li, Jinlong.,...&Xue, Qunji.(2018).Continuously Growing Ultrathick CrN Coating to Achieve High Load-Bearing Capacity and Good Tribological Property.ACS APPLIED MATERIALS & INTERFACES,10(3),2965-2975.
MLA Li, Zechao,et al."Continuously Growing Ultrathick CrN Coating to Achieve High Load-Bearing Capacity and Good Tribological Property".ACS APPLIED MATERIALS & INTERFACES 10.3(2018):2965-2975.
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