Mechanical and Wear Properties of Graphite Reinforced Aluminum Metal Matrix Composites Processed by Ultrasonic-Stir-Squeeze Casting

Verma, Pankaj; Paul, Gayatri; Ghose, Joyjeet; Pandey, Vijay

doi:10.1007/s11665-023-08576-z

Cited by 2 publications

(1 citation statement)

References 43 publications

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“…Numerous studies have consistently reported improvements in the wear performance of graphitereinforced aluminum composites. 4,[52][53][54] Verma et al 55 showed that adding 3-wt.% graphite to the AA2014 alloy reduced the wear rate from 1.2 to 0.9 and the COF from 0.6 to 0.56. Baradeswaran and Elaya Perumal 56 reported that as the graphite percentage increased, the wear rate decreased, reaching a minimum value at 5-wt.% graphite.…”

Section: Characterization Of Mechanical Propertiesmentioning

confidence: 99%

A facile treatment of graphite as a reinforcement for Al‐based nanostructured composite

Bakhshizade,

Shokuhfar,

Zolriasatein

et al. 2024

Surface & Interface Analysis

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Aluminum‐graphite composites find extensive applications in diverse industries, including automotive and aerospace sectors. However, the fabrication of these composites faces a significant challenge due to poor wettability and weak interfacial bonding between graphite and aluminum. This work aims to modify the graphite particles to improve the characteristics of aluminum. In this study, treated graphite (TG) was synthesized using a facile method for the first time. Graphite (G) was mixed with acetone and stirred with a mechanical stirrer at 2000 rpm for 1 h, followed by drying in an electric oven at 80°C for 1 h. Mechanical milling and subsequent hot pressing were employed to manufacture composites with 1, 3, and 5 wt.% of G and TG. The results demonstrated that the addition of G and TG up to 5 wt.% substantially improved the wear rate and coefficient of friction (COF). However, it also resulted in a deterioration of the mechanical properties of aluminum. The TG‐reinforced composites exhibited enhanced mechanical and tribological properties owing to the stronger bonds formed between carbon and aluminum atoms. Notably, the composite with 5‐wt.% G and TG exhibited an 80% and 58% lower COF compared with unreinforced aluminum. Composites containing 1‐wt.% G and TG showed an 11% and 1% reduction in yield strength, respectively. Consequently, the investigated graphite treatment proves to be an effective method for modifying the interfacial bonding and enhancing the comprehensive properties of aluminum. This treatment offers a simple and cost‐effective approach to improve the tribological and mechanical characteristics of aluminum matrix composites.

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Section: Characterization Of Mechanical Propertiesmentioning

confidence: 99%

A facile treatment of graphite as a reinforcement for Al‐based nanostructured composite

Bakhshizade,

Shokuhfar,

Zolriasatein

et al. 2024

Surface & Interface Analysis

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Characterization and machinability analysis of aluminium-based metal matrix composites (MMC): A critical review

Mishra,

Panda,

Sahoo

et al. 2024

Proceedings of the Institution of Mechanical Engineers, Part C:

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Hybrid nanocomposite has progressively attracted advanced industrial and automotive sectors in recent years. Hybrid nanocomposites have emerged as a viable material for a wide variety of engineering uses because of their excellent thermal, mechanical, and environmental characteristics. This article introduces reviews on the turning process of metal matrix composites (MMC) and its examination of the improvement of the machining indicators of MMCs. Furthermore, this review reviews the latest research progress in sustainable turning of aluminium based composite particularly hybrid nanocomposite. Moreover, a summary regarding the impact of machining variables on measured outputs is also discussed. Machinability evaluations, along with other factors, are considered critical analyses that directly determine the cost of machining processes. The point of this review is to focus on the impact of essential cutting variables on hybrid turning processes. Furthermore, this paper draws extensive conclusions based on experimental findings. This research also identifies potential future topics that need to be solved to improve the development and characterization of hybrid nanocomposites. In brief, the paper presents a comprehensive review for developing a sustainable machining approach for these fabricated hybrid metal matrix composites.

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Mechanical and Wear Properties of Graphite Reinforced Aluminum Metal Matrix Composites Processed by Ultrasonic-Stir-Squeeze Casting

Cited by 2 publications

References 43 publications

A facile treatment of graphite as a reinforcement for Al‐based nanostructured composite

A facile treatment of graphite as a reinforcement for Al‐based nanostructured composite

Characterization and machinability analysis of aluminium-based metal matrix composites (MMC): A critical review

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