Exploration of tribological estimation on alumina reinforced polymer mixtures evaluated by ANOVA approach

Polymer nanocomposites have received significant attention in the tribology and mechanical application due to their exceptional wear resistance, which cannot be expected in polymers. This study, involves preparation and fabrication of graphene hybrid (flax/E-glass/epoxy) fiber-reinforced polymer (HFRP) composites using compression molding. A study of the effect of graphene on the microhardness and wear behavior of HFRP composites was made using pin-on-disk tests at three different loads of 5, 10, and 15 N as per ASTM standards. Compared to HFRP composites, graphene in HFRP composites exhibits a distinguished enhancement in thermal stability, microhardness and tribological performance due to the formation of strong covalent bonds between graphene and epoxy matrix. Surface features were observed using a scanning electron microscope (SEM). The addition of graphene (0.0-1.2 wt%) to the matrix, especially 0.6 wt% of graphene in HFRP composites revealed extraordinary tribological properties, with a 35% decrease in the friction coefficient and wear rate under abrasive wear conditions. The result of the graphene in HFRP composites looks promising in wear-resistant materials and other highperformance areas in the automobile and aerospace industry.

“…In accordance with previous findings, the author also reports that alumina‐reinforced hybrid polymer composites have a similar wear behavior. [ 44 ]…”

Section: Resultsmentioning

confidence: 99%

Effect of graphene on tribology, mechanical, and thermal properties of flax/E‐glass/epoxy hybrid nanocomposites

Shanmugam

Meenakshisundaram

2022

“…The ‘smaller is better’ characteristics is used to represent the S/N ratio for minimum slurry erosion rate as shown in Equation (). [ 37–41 ]

S / N = - 10 Log \frac{1}{n} (\sum_{i = 1}^{n} y_{i}^{2}),

where,

n \to number of observation

y \to italicexperimental results observed

.…”

Section: Methodsmentioning

confidence: 99%

Experimental and numerical investigation on slurry erosion performance of hybrid glass/steel fiber reinforced polymer composites for marine applications

Agarwal

Kumar

Sharma³

et al. 2022

The accelerating growth in the utilization of industrial waste to prepare sustainable material is gaining interest of researchers globally owing to their synergistic effect with enhanced performance and cost-effective approach. This study mainly discussed the development of hybrid polymer composites by partial replacement of steel fiber in place of synthetic glass fiber to investigate the slurry erosion performance in an erosive environment. Initially, fabrication of hybrid glass/steel fiber reinforced polymer composites with different weight percentages (38, 37, 36, 35 wt%) glass fiber and (11, 12, 13, 14 wt%) steel fiber are fabricated through vacuum assisted resin transfer modeling (VARTM) technique. After that, steady-state slurry erosion performance analysis is carried out by varying impact velocity (10-40 m/s), fiber loading (4:1 to 10:4), impingement angle (30 -90 ), and slurry concentration (160-265 g/min) respectively in the slurry erosive environment. The observation indicates that at steady-state conditions the maximum erosion rate lies within the range of 45 -75 by varying the impingement angle whereas the other factors remain constant. The experimental results are validated with different theoretical models as well as a numerical simulation model using computational fluid dynamics approach. Finally, Taguchi's design of experimental analysis (L 16 orthogonal array design) is studied by varying all the four factors at-a-time to get the erosion rate of the hybrid composites. At the end, the simulated results depicted a clear picture of erodent particle trajectories, eroded surface, and streamlines, and all are in good agreement with the experimental results.

“…Statistical methods have become an integral part of material testing to provide a quantitative approach for evaluating the performance of materials. [14][15][16] The examination of wear and scratch behavior is one of the key methods for evaluating surface performance. Such analyses rely on statistical approaches for data modeling and analysis.…”

Section: Introductionmentioning

confidence: 99%

“…The response surface methodology (RSM) is a statistical technique that enables the construction a mathematical model to predict the response values of multiple input variables within a defined range. 15 This study aimed to investigate the effects of thermal aging on scratch damage in CFRCs materials, specifically at the warp and weft directions, under two different scratch velocities (10 and 60 mm/min). Previous literature lacked research on the combined impact of these factors, and thus, this study aimed to conduct a detailed analysis of scratch damage, including depth, width, skewness, and kurtosis, and the effects of thermal aging on them.…”

Section: Introductionmentioning

confidence: 99%

“…Such analyses rely on statistical approaches for data modeling and analysis. The response surface methodology (RSM) is a statistical technique that enables the construction a mathematical model to predict the response values of multiple input variables within a defined range 15 . This study aimed to investigate the effects of thermal aging on scratch damage in CFRCs materials, specifically at the warp and weft directions, under two different scratch velocities (10 and 60 mm/min).…”

Section: Introductionmentioning

confidence: 99%

See 1 more Smart Citation

Exploring the effects of thermal aging on scratch resistance of carbon fiber reinforced composite materials: A comprehensive study

Demircioğlu Bulçak,

Bora,

Fidan

et al. 2023

This paper investigates the scratch behavior of carbon fiber reinforced composites (CFRCs) under thermal aging conditions. Scratch depth was analyzed with respect to three parameters: velocity, thermal cycle, and direction of the scratch. The results showed that thermal aging has a significant effect on the scratch behavior of CFRCs, with an increase in thermal cycle leading to an increase in scratch depth. The scratch depth was also found to be greater in the weft direction compared to the warp direction, which can be attributed to the difference in fiber arrangement and orientation in the CFRC material. The analysis of variance (ANOVA) was performed to investigate the effect of thermal aging on the scratch behavior of CFRCs. The ANOVA results revealed that the direction of the scratch has a significant effect on scratch depth, with the weft direction showing greater scratch depth compared to the warp direction. The surface roughness of CFRCs was analyzed under thermal aging conditions and with an increase in thermal cycle leading to an increase in surface roughness. The roughness values were found to be higher in the weft direction compared to the warp direction, which can be attributed to the difference in fiber arrangement and orientation in the CFRC material.