Mechanical and Tribological Properties of Carbon-Based Graded Coatings

被引：11
作者：
Kot, M. [1 ]
Major, L. [2 ]
Lackner, J. M. [3 ]
Chronowska-Przywara, K. [1 ]
Janusz, M. [2 ]
Rakowski, W. [1 ]
机构：
[1] AGH Univ Sci & Technol, Fac Mech Engn & Robot, Aleja Mickiewicza 30, PL-30059 Krakow, Poland
[2] Polish Acad Sci, Inst Met & Mat Sci, Ulica Reymonta 25, PL-30059 Krakow, Poland
[3] Joanneum Res Forsch mbH, Inst Surface Technol & Photon, Funct Surfaces, Leobner Str 94, A-8712 Niklasdorf, Austria
来源：
JOURNAL OF NANOMATERIALS | 2016年 / 2016卷
关键词：
DIAMOND-LIKE CARBON; DLC COATINGS; MULTILAYER COATINGS; BEHAVIOR; STEEL; SUBSTRATE; FRACTURE; INDENTATION; WEAR; STRESS;
D O I：
10.1155/2016/8306345
中图分类号：
TB3 [工程材料学];
学科分类号：
0805 ; 080502 ;
摘要：
The paper presents research on coatings with advanced architecture, composed of a Cr/Cr-2 N ceramic/metal multilayer and graded carbon layers with varying properties from Cr/a-C:H to a-C:N. The microstructure of the coatings was analysed using transmission electron microscopy and Energy Dispersive Spectroscopy, the mechanical properties were tested by nanoindentation, spherical indentation, and scratch testing, and tribological tests were also conducted. The proper selection of subsequent layers in graded coatings allowed high hardness and fracture resistance to be obtained as well as good adhesion to multilayers. Moreover, these coatings have higher wear resistance than single coatings and a friction coefficient equal to 0.25.
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页数：14
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