... Coefficient of friction Wear Reaction–diffusion (RD) All India Council for Technical Education F.No.9-87/IDC/MOD-ASP/Policy-l/2021-22 This work was supported by All India Council for Technical Education (Grant no: F.No.9-87/IDC/MOD-ASP/Policy-l/2021-22). The friction of mechanical...

... According to the research results, increasing graphite addition decreased the coefficient of friction. However, it was observed that the coefficient of friction exhibited a more stable behavior as the graphite content increased. One of the most significant findings was the consistent decrease in average...

.... Design/methodology/approach CuO nanoparticles were dispersed into base oil at concentrations of 0.05%, 0.1%, 0.25% and 0.5%. The influence of these concentrations on the coefficient of friction ( COF ) and wear scar diameter ( WSD ) was analyzed. Characterization techniques such as high-resolution...

.... Design/methodology/approach The WC-10Co₄Cr-xCr₃C₂ (x = 5%, 10% and 15%) were prepared on H13 steel using laser cladding, and their coefficients of friction and wear rates at 500°C were investigated using a ball-on-disc wear tester. Findings The WC-10Co4Cr...

... was used to deposit the CrN and CrAlN coatings on AISI H13 steel, and the tribological performances of CrN and CrAlN coatings were evaluated using a ball-on-plate wear tester. Findings The average coefficients of friction and wear rate of CrAlN coating in the normal wear period are 0.33 and 5.34...

... coefficients of friction of containing amorphous FeCoCrMoSi coating under the normal loads of 3, 4 and 5 N are 0.68, 0.65 and 0.53, respectively, and the corresponding wear rates are 17.7, 23.9 and 21.9 µm3•N⁻¹•mm⁻¹, respectively, showing that the appropriate normal load is beneficial...

... manufactured SS316L under the influence of industrial viscous lubricants. The results are observed using Scanning electron microscope (SEM), X-ray diffraction (XRD) and wear tests. Findings The observations indicate that additively manufactured SS316L shows a reduced coefficient of friction (COF...

... discussed. Findings At room temperature (RT, 25 ± 2 °C), the average coefficients of friction of substrate and Ni-60%WC coatings fabricated at the LSS of 6, 10, 12 and 14 mm/s are 0.48 ± 0.08, 0.23 ± 0.01, 0.21 ± 0.05, 0.22 ± 0.02 and 0.25 ± 0.04, respectively, and the corresponding wear rates are 8.755...

... viability test was used to evaluate the safety of the grease. Findings The results indicated that for the grease containing 1.5% M-MMT, the average coefficient of friction was reduced by about 46% compared with the CAG, the wear volume of the disc reduced by about 74%. Moreover, CAG and 1.5% M-MMT...

... the optimal value of the additive. Design/methodology/approach This paper exposes experimental results of the performance characteristics (coefficient of friction (COF), working temperature and wear) of the biolubricant based on rapeseed oil. The amount of commercial metal-containing additive...

... length of 100 mm, was built to measure the coefficient of friction (COF) at the mid-stroke and ring reversal positions and to conduct sliding tests at a speed range of 0.31–3.14 m/s. Samples taken from fine-honed TS coated bores and also from cast iron (CI) liners that underwent a standard-honing process...

... an industrial hot compression molding process. Experimentation was carried out on the brake tester, which was developed for this purpose according to SAE J661 standards. The braking applications, sliding speed and braking pressure were considered as performance parameters, whereas coefficient of friction (CoF...

... in the coefficient of friction and the wear depth values. Findings suggest that printing structure in the horizontal orientation (X) assists in reducing friction and wear. Originality/value To date, there has been very limited research on the tribology of objects produced by 3D printing. This work was made...

...Joao Luiz do Vale; Carlos Henrique da Silva; Giuseppe Pintaude Purpose This paper aims to present a proposal for evaluating the coefficient of friction (COF), under a reciprocating test that considers the energy dissipated by the friction force. In addition, this new parameter is compared...

... tubes with various guiding lengths on a custom-designed measurement system to investigate the effects of impacting velocity and guiding length on the coefficient of friction (COF) in the guiding zone. Findings The results indicate that the COF changes dynamically in the guiding zone and decreases...

... calculated by solving the fluid flow governing Reynolds equation using the finite element method, assuming iso-viscous Newtonian fluid. The performance enhancement ratio, which is the ratio of load carrying capacity (LCC) to the coefficient of friction (COF) has been calculated from results to finalized...

... conditions, and applied load affects the coefficient of friction. Applied load significantly affects the wear rate of un-textured specimen. The interaction of sliding velocity and applied load also affects the wear rate of textured specimens. The optimum parameters to get minimum wear rate for un-textured...

... of coefficient of friction (CoF) and wear rate for each matching materials. In addition, the roughness and the morphology of worn surface of different matching materials were quantitatively characterized. Findings The study revealed that material combinations have different friction performances. Test...

... feedstock, towards the coefficient of friction (COF) properties. Design/methodology/approach Graphene film growth on copper (Cu) substrate was synthesised from FCPW and OPF, as a solid feedstock, using the chemical vapour deposition (CVD) method, at atmospheric pressure. The synthesised graphene...

...Ayush Jain; Abhishek Singh; Arendra Pal Singh Purpose This paper aims to study the sliding wear and coefficient of friction (COF) using “ball on disc” tribometer. Discs of bearing steel were subjected to different tribological parameters such as heat treatment (through hardening and case hardening...