sliding wear
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Author(s):  
R. Soundararajan ◽  
A. Sathishkumar ◽  
S. Sivasankaran ◽  
G. Shanthosh ◽  
S. Karthik

Author(s):  
Daoxi Li ◽  
Zhi Wang ◽  
Chao Zhao ◽  
Zongqiang Luo ◽  
Chao Yang ◽  
...  

Author(s):  
X. Miao ◽  
WM Rainforth ◽  
WE Lee

Author(s):  
Sandeep Kumar Khatkar ◽  
Rajeev Verma ◽  
Suman Kant ◽  
Narendra Mohan Suri

This article statistically investigates the effect of various parameters such as material factors: silicon carbide (SiC) reinforcement, graphite (Gr) reinforcement and mechanical factors: normal load, sliding distance and speed on the sliding wear rate of vacuum stir cast self-lubricating AZ91D-SiC-Gr hybrid magnesium composites. The sliding wear tests have been performed on pin-on-disc tribometer at 10-50N loads, 1-3m/s sliding speed and 1000-2000m sliding distance. It has been examined that hybrid composites yielded improved wear resistance with reinforcement of SiC and solid lubricant graphite. ANOVA and signal-to-noise ratio investigation indicated that applied load was the most critical factor influencing the wear rate, followed by sliding distance. Further, the AZ91D/5SiC/5Gr hybrid composite has exhibited the best wear properties. From the SEM and EDS analysis of worn surfaces, delamination was confirmed as the dominant wear mechanism for AZ91D-SiC-Gr hybrid composites.


2022 ◽  
pp. 131643
Author(s):  
Zening Wang ◽  
Yu Yan Resource ◽  
Yuan Wu ◽  
Yanjing Su ◽  
Lijie Qiao

Author(s):  
Shubhangi Chourasia ◽  
Marut Kumar Mishra ◽  
Mohd Shahid ◽  
Shanti Lal Meena ◽  
Tushar Dhankhar ◽  
...  

Author(s):  
Basant Lal ◽  
Abhijit Dey ◽  
Mohamamd Farooq Wani

Due to the relatively low strength and poor wear resistance of unalloyed titanium and its good mechanical properties, corrosion resistance, and biocompatibility. Ti6Al4V has been extensively used in various type of application including aerospace, biomedical and offshore industries. The goal of this research is to enhance the surface properties of the high strength alloys are examine such as Ti6Al4V pin sliding against Al2O3disc, due to the various surfaces roughness parameters. The COF and the wear rate were found to be lower at higher applied load due to higher frictional heating leading to thermal oxidation and thereby formation of several mm thick tribo-layers on the worn surfaces. Characterization of the tribological sample was performed using a scanning electron microscope (SEM) equipped with energy dispersive X-ray analysis (EDAX) to ensure that the wear pattern and debris morphologies of the Ti6Al4V and alumina disks were distinct, suggesting a surface roughness value determined by 3D profilometer at various load and sliding speed of 0.01ms-1.


Author(s):  
K. Derelizade ◽  
A. Rincon ◽  
F. Venturi ◽  
R.G. Wellman ◽  
A. Kholobysov ◽  
...  

Author(s):  
Akshay Shinde

Abstract: To improve the wear resistance of the hybrid powder coating, TiO2 nanoparticles was hot mixed to form a homogenous mixture with the powder in the range varying wt. dry sliding wear test conducted to determine the wear resistance. The experiments were design according to Taguchi L9 array to find the optimum nanoparticles content required to minimize the wear rate of the coating. ANOVA was used to determine the effect of the parameters on wear rate. It showed that reinforcement has the maximum contribution on the wear rate of the coating as compared to load and frequency. From the graph of means optimum parametric values was obtained at 2 % wt of reinforcement, 2 N load and 2 Hz frequency. The wear rate decrease with the increase in reinforcement. Keywords: Taguchi Method, Tribometer, Hybrid powder, TiO2, Wear Rate.


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