Microstructure and Properties of Low Temperature Deposit CrxN Using Unbalanced Magnetron Sputtering

CrxN coatings are deposited on the substrates with low temperature using a Teer UDP 550 Close Field Unbalanced Magnetron Sputter Ion Plating system (CFUBMSIP). The effect of applied power on Cr targets related to sample temperature is studied. When the applied power of Cr targets is lower than 1.1KW, the depositing temperature could be controlled at about 180°C. Scratch test shows no coating detachment at the end of scratch track up to 85N load. All results of Rockwell-C indentation indicate that CrxN coating holds good bonding strength. Pin-on-disc tests are performed to evaluate wear resistance of the coatings and no any wear loss can be detected after 6000s and 1800s of running. XRD profile demonstrates that the coating deposited in this study is CrxN.

Download Full-text

Mechanical and Tribological Properties of W(100-x)%Cx% Coatings Deposited by DC Magnetron Sputtering

Key Engineering Materials ◽

10.4028/www.scientific.net/kem.642.184 ◽

2015 ◽

Vol 642 ◽

pp. 184-189

Author(s):

Yan Liang Su ◽

Yueh Feng Lin

Keyword(s):

Mechanical Properties ◽

Wear Resistance ◽

Magnetron Sputtering ◽

X Ray Diffraction ◽

Mechanical And Tribological Properties ◽

Unbalanced Magnetron Sputtering ◽

Unbalanced Magnetron ◽

Pin On Disc ◽

Dry Conditions ◽

Coating Microstructure

W(100-x)%Cx% coatings with different tungsten and carbon contents were deposited by unbalanced magnetron sputtering. The microstructures and mechanical properties of the W(100-x)%C x% coatings was characterized by scanning electron microscope (SEM), X-ray diffraction (XRD), nanoindentation and adhesion testing techniques. The tribological performance of the coatings was investigated using a pin-on-disc trobometer under dry conditions. Experimental results indicated that coating microstructure, mechanical properties and wear resistance varied according to the tungsten and carbon contents of the coatings. The W72%C28% coating had the highest hardness/elastic modulus (H/E) ratio. In the ball-on-disc wear tests, it was found that the W72%C28% coating exhibited the best wear resistance.

Download Full-text

Tribological investigation of multilayer CrN/CrCN/TaN films deposited by close field unbalanced magnettron sputtering

REVIEWS ON ADVANCED MATERIALS SCIENCE ◽

10.1515/rams-2019-0036 ◽

2019 ◽

Vol 58 (1) ◽

pp. 271-279 ◽

Cited By ~ 2

Author(s):

Erkan Bahce ◽

Nese Cakir

Keyword(s):

Wear Test ◽

High Hardness ◽

Scratch Test ◽

Adhesion Properties ◽

Cocrmo Alloy ◽

Unbalanced Magnetron Sputtering ◽

Unbalanced Magnetron ◽

Pin On Disc ◽

Pin On Disk ◽

Wear Tests

AbstractCrN/CrCN/TaN multilayer films were deposited onto the CoCrMo alloy substrates at different number layers as two, four and 8 layers by close-field unbalanced magnetron sputtering method. Microstructure and the tribo-logical properties of the films were characterized by XRD, SEM, pin-on-disk wear test, scratch test, micro hardness. CrN/CrCN/TaN multilayer coatings exhibited good adhesion properties on the CoCrMo alloy substrate. A very high hardness value of 60 GPa was obtained for 8 multilayered coating. As a result of the pin-on-disc wear tests, it was found that the tribological properties of the CoCrMo alloy were enhanced by coating its surface with this architecture by using close-field unbalanced magnetron system with used parameters.

Download Full-text

Erosion Wear Resistance of TiAlCrN Coating on Stainless Steel Impacted by Solid Particles

Materials Science Forum ◽

10.4028/www.scientific.net/msf.675-677.1271 ◽

2011 ◽

Vol 675-677 ◽

pp. 1271-1274

Author(s):

Feng Fang Wu ◽

Jian Xin Deng

Keyword(s):

Stainless Steel ◽

Wear Resistance ◽

Average Diameter ◽

Scratch Test ◽

Solid Particles ◽

Vacuum Arc ◽

Wear Loss ◽

Erosion Wear ◽

Tin Coating ◽

Unbalanced Magnetron

TiAlCrN coating was deposited on a stainless steel using unbalanced magnetron sputtering technique. The erosion wear resistance of the TiAlCrN coating was investigated by comparison with that of the TiN coating deposited by filtered vacuum arc deposition. SEM was used for observing the surface morphologies of coatings both the un-eroded and eroded. Scratch test was used to evaluate the adhesion of the coatings. The erosion wear was tested with a gas blast apparatus at room temperature. In the test, the coatings were impacted at an impingement angle of 90° by angular SiC solid particles with an average diameter of 124um. The maximum depth of the erosion scar measured by the optical profiler was used to evaluate the erosion wear loss of the coatings. TiAlCrN coating proved to have much lower erosion rate than TiN coating. Unlike TiN coating, the TiAlCrN coating behaved like semi-brittle material.

Download Full-text

Synthesis and Characterization of CrXN Nano-Multilayer Coatings

Key Engineering Materials ◽

10.4028/www.scientific.net/kem.373-374.126 ◽

2008 ◽

Vol 373-374 ◽

pp. 126-129

Author(s):

H.Q. Li ◽

X.Y. Li ◽

Hai Lin Sun ◽

Dennis Teer ◽

Han Shan Dong

Keyword(s):

Synthesis And Characterization ◽

Multilayer Coatings ◽

Closed Field ◽

Wear Properties ◽

Ion Plating ◽

Unbalanced Magnetron ◽

Magnetron Sputter ◽

Crn Coatings ◽

Wear Tests

Three types of nano-multilayer coatings, CrSiN, CrAlN and CrMoN, with different Si, Al and Mo contents were deposited on M42 substrates using a closed field unbalanced magnetron sputter ion plating (CFUMSIP) technique. Systematic characterization on the chemical composition, microstructure, hardness and wear properties of these multilayer coatings has been investigated using GDOES, low angle XRD, SEM, TEM, nanoindentation and wear tests. Experimental results revealed that all these three types of Cr, XN ternary coatings (X=Al, Si and Mo) are nano-multilayer structured. The CrAlN multilayer coatings showed the highest hardness and oxidation resistance among these three multilayer coatings. The CrMoN multilayer coatings exhibited the lowest friction coefficient although no appreciable improvements in wear resistance were observed as compared with the optimized CrN coatings.

Download Full-text