effect of electrical current on friction and wear behavior of copper against graphite

Journal of Chinese Society for Corrosion and protection

Wear of railway contact wires against current collector materials [J].Wear,1998,215(1-2):146-155 [4] Shunichi Kubo,Koji Kato. Effect of arc discharge on wear rate of Cu-impregnated carbon strip in unlubricated sliding against Cu trolley under electric current[J].

Effect of temperature on the friction and wear behaviors

2019/9/13Friction and wear behaviors of Cr 3 C 2 –20 wt % Ni cermets against Al 2 O 3 under dry sliding conditions in air were investigated at temperatures ranging from room temperature to 800 C. The friction coefficient, wear rate, microstructure and wear mechanism of Cr 3 C 2 –20 wt % Ni cermets were researched using SEM, XPS and TEM in this study.

Friction and wear behavior of pure carbon strip sliding

2011/4/1Friction and wear behavior of pure carbon strip sliding against copper contact wire under AC passage at high speeds Therefore, effect of electric current on the friction coefficient is the most significant, while the sliding speed and normal force have smaller 3.2.

Coefficient of friction and wear rate of paper

A pin-on-disc test was carried out to determine the tribological behavior of this friction material sliding against 65Mn steel. The friction and wear rate results from measurements were discussed. The highest friction value of about 0.3 was obtained by varying the applied load at 120 N while the lowest friction value close to 0.02 was obtained when the sliding speed was 0.026 m/s.

Investigation on friction and wear behaviors of Cu–Zn

2019/10/23 et al [] explored the wear behavior of carbon-fiber-reinforced carbon impregnated with Cu-based composites under electrical current. In addition, MoS 2 has a hexagonal layered structure and is a two-dimensional semiconductor material with good compressive strength and wear resistance, good adhesion and low coefficient of friction (COF).

Influence of the electrical sliding speed on friction and

2004/2/29Among the various parameters that influence the friction and wear behaviour of a copper–stainless steel couple crossed by an electrical current and in a dry contact is the sliding speed. The tests were carried out under ambient environment and the sliding speed was in

Effect of Graphite Content on the Tribological

The effect of graphite (Gr) content on tribological performance of copper-matrix composites against H13 steel was investigated using a pin-on-disk test in the range of 3.14–47.1 m/s. The composites with different weight fractions of Gr (up to 18%) were fabricated by

Effect of Plating Current Density on the Ball

Further, the wear and friction behavior of the coatings were studied using a ball-on-disc apparatus under dry sliding conditions. The impact of current density was studied on the morphology, wear, and coefficient of friction (COF) of the resultant coatings. The wear

Effect of surface film on sliding friction and wear of copper

2012/1/15A block-on-ring wear test was performed between a copper-impregnated metallized carbon brush and a Cu–Cr–Zr alloy ring under ambient environment. After 50 km of rubbing at 20 A electrical current and 111 kPa normal pressure at a constant velocity of 25 km/h, a surface film, which was composed of Cu 2 O, CuO, C and water, formed on the copper alloy ring due to graphite transfer

Electrical and Tribological Properties of DLC Coatings

In the thesis, the resistance, friction and wear behavior of four different coatings, which were selected based on their good electrical and tribological properties observed during preliminary testing, were evaluated and compared to steel at room temperature in dry

Wear Behavior of Commercial Pure Copper with Al and Zn under

Zn in copper on its friction and wear behaviour under dry, wet and corrosive environment. Ten weight percent of each alloying element was incorporated in copper. Simple binary alloys were selected for study to isolate the influence of a single alloying element on

Influence of Heat Treatment and Composition Variations

The hardness and wear behavior properties of two C 18000 copper alloys with variations in Ni, Si, and Cr concentrations, both within the range of C18000 chemical analysis standard, were studied after the alloy samples had been prepared by melting and casting in sand molds and then heat-treated in solution using two-stage aging for different heating time periods. The results obtained from

Study of the effect of normal load on friction coefficient

2020/6/9Equation indicates that the friction coefficient tends to decrease with increasing normal load or contact pressure. According to this equation, many groups have reported the effect of normal load on the friction coefficient, i.e., μ decreases with an increase in W for various mating materials, 24–30 24.24.

Recent Wear Articles

CiteScore: 5.8 ℹ CiteScore: 2019: 5.8 CiteScore measures the average citations received per peer-reviewed document published in this title. CiteScore values are based on citation counts in a range of four years (e.g. 2016-2019) to peer-reviewed documents (articles, reviews, conference papers, data papers and book chapters) published in the same four calendar years, divided by the number of

Electrical and Tribological Properties of DLC Coatings

In the thesis, the resistance, friction and wear behavior of four different coatings, which were selected based on their good electrical and tribological properties observed during preliminary testing, were evaluated and compared to steel at room temperature in dry

Journal of Chinese Society for Corrosion and protection

Qiu M, Zhang Y Z. Effect of different atmospheres on dry friction behavior of steel sliding against brass at high speed [J]. Chin. Sci. Bull., 2009, 54(24): 4589 [14] Wang Z T, Meng J S. Frictional Wear and Wear Resistant Materials [M]. Harbin: Harbin Institute of

Wear resistance of metals and alloys; Proceedings of the

article{osti_5492376, title = {Wear resistance of metals and alloys; Proceedings of the Conference, Chicago, IL, Sept. 24-30, 1988}, author = {Kingsbury, G R}, abstractNote = {Techniques for characterizing and improving the wear properties of metals and composites are discussed in

Influence of Heat Treatment and Composition Variations

The hardness and wear behavior properties of two C 18000 copper alloys with variations in Ni, Si, and Cr concentrations, both within the range of C18000 chemical analysis standard, were studied after the alloy samples had been prepared by melting and casting in sand molds and then heat-treated in solution using two-stage aging for different heating time periods. The results obtained from

Recent Tribology International Articles

CiteScore: 7.9 ℹ CiteScore: 2020: 7.9 CiteScore measures the average citations received per peer-reviewed document published in this title. CiteScore values are based on citation counts in a range of four years (e.g. 2016-2019) to peer-reviewed documents (articles, reviews, conference papers, data papers and book chapters) published in the same four calendar years, divided by the number of

Plasma Electrolytic Oxidation Coatings on Lightweight

2012/9/122.3. Friction and wear behavior of PEO coatings under heavy loads Chen Fei et al. [] studied the tribological performance of PEO ceramic coatings fabricated on Ti6Al4V alloy in the electrolyte containing Na 2 SiO 3 (10g/L), Na 2 CO 3 (4g/L) and EDTA-2Na (5g

Direct Electrochemical Synthesis of Reduced Graphene

Electrical contact materials with excellent performances are crucial for the development and safe use of electrical contacts in different applications. In our work, reduced graphene oxide (rGO)/copper (Cu) composite films, as potential electrical contact materials, have been synthesized on copper foil with one-step electrochemical reduction deposition method. Cyclic voltammetry (CV) was used

Experimental and Density Functional Theory Study of the

This paper investigates the reaction steps involved in tribochemical wear of SiO 2 surfaces in humid ambient conditions and the mechanism of wear prevention due to alcohol adsorption. The friction and wear behaviors of SiO 2 were tested in three distinct gaseous environments at room temperature: dry argon, argon with 50% relative humidity (RH), and argon with n-pentanol vapor pressure 50%

Analysis of Wear in Organic and Sintered Friction Materials Used in

Vol. 11, No. 3, 2008 Analysis of Wear in Organic and Sintered Friction Materials Used in Small Wind Energy Converters 271 3.4. Tests performance The samples were submitted to a milling process to guarantee that both the resin-based materials and the sintered

Universit Mentouri Constantine, Algeria

Multidisciplinary, Copper, Current Density, Electrical Properties Analytical and numerical calculation of surface temperature and thermal constriction resistance in transient dynamic strip contact Save to Library Download by Tahar Loulou and +2 Philippe Rogeon •

Plasma Electrolytic Oxidation Coatings on Lightweight

2012/9/122.3. Friction and wear behavior of PEO coatings under heavy loads Chen Fei et al. [] studied the tribological performance of PEO ceramic coatings fabricated on Ti6Al4V alloy in the electrolyte containing Na 2 SiO 3 (10g/L), Na 2 CO 3 (4g/L) and EDTA-2Na (5g

International Journal of Surface Science and Engineering

International Journal of Surface Science and Engineering (15 papers in press) Regular Issues An assessment of erosive wear of hydro-turbine steel using statistical modeling and optimization by Ishfaq Amin Maekai, G.A. Harmain Abstract: The current study pertains to the influence of chosen process parameters on erosive wear of F6NM stainless steel.

Influence of Applied Load on Wear Characterizations of

(2007) reported sliding wear behavior of copper alloy contact wire against the copper-based strip used in railway systems. The tests used variations electrical currents of 0, 7.5, 15, 22, 30, 40 and 50 A with maximum voltage E was controlled at 6 V in lab environment.

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