Studies on 7075 Aluminium Alloy MMCs with Milled Carbon Fibers as Reinforcements

Deshpande, Madhuri; Gondil, Ramesh; Murty, S.V.S. Narayana; Kalal, R. K.

doi:10.1007/s12666-017-1233-4

Cited by 17 publications

(6 citation statements)

References 16 publications

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“…These phenomena could vanish the positive effect of grain refinement and reduce composites resistance to fracture. This result matches with studies of [63,65]. On the other side, the effect of CF on ductility was noticeable where ductility is reduced as the weight fraction of CF increases due to the hard ceramic natures of CF.…”

Section: Compression Testsupporting

confidence: 91%

Electrical, Thermal, and Mechanical Characterization of Hot Coined Carbon Fiber Reinforced Pure Aluminium Composites

et al. 2022

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Poor interfacial structure and severe agglomerations of carbon fiber (CF) are significant problems that face carbon fiber reinforced aluminium (CF/Al) composites. Thus, CF was surface modified with nano copper particles (Cu) to overcome these problems. Two groups of CF/Al composites (uncoated and coated) at different weight percentages of reinforcement (0, 5, 10, 15, and 20) were fabricated using the planetary ball milling method and then uniaxially hot coined at 550 ℃ under 700 MPa. The results showed that CF refined the crystallite size of the Al matrix, and no $${\mathrm{Al}}_{4}{\mathrm{C}}_{3}$$ Al 4 C 3 or $${\mathrm{Al}}_{2}\mathrm{Cu}$$ Al 2 Cu were detected in XRD patterns. The density and thermal expansion of composites reduced with increasing CF percentage in all samples. The electrical and thermal conductivities are improved up to 10 wt% of uncoated reinforcement and 15 wt% of coated one. The mechanical test results revealed that by increasing CF, the compressive strength of composites decreased while the wear properties improved for both groups. Cu deposition on CF improved the bonding between reinforcement and matrix, producing composites with better interfacial bonding, fewer agglomerations and porosity, and higher values of the properties of the composites. Graphic Abstract Preparation and characterization of carbon fiber reinforced aluminium composites by hot coining technique

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Section: Compression Testsupporting

confidence: 91%

Electrical, Thermal, and Mechanical Characterization of Hot Coined Carbon Fiber Reinforced Pure Aluminium Composites

et al. 2022

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“…There are different kinds of aluminium alloys which have their own advantages and applications such as Al6061, A2024, and A7075. The enhancements in mechanical and tribological properties are achieved by the incorporation of alloying elements, such as Si, Mn, Mg, and Cu, into AMMCs [96][97][98]. Rashmi et al [99] found that A2024 which reduces the weldability and corrosion resistance, but it is suitable in the automobile sector for light-weight appliances.…”

Section: Ammcs Through Stir Casting Routesmentioning

confidence: 99%

A Contemporary Review of Aluminium MMC Developed through Stir-Casting Route

et al. 2021

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The growing demand for composite materials with improved properties is attracting a lot of attention from industries such as automotive, aerospace, military, aviation, and other manufacturing. Aluminium metal matrix composites (AMMCs), with various reinforcements such as continuous/discontinuous fibers, whiskers, and particulates, have captured the attention due to their superior tribological, mechanical, and microstructural characteristics as compared to bare Al alloy. AMMCs have undergone extensive research and development with different reinforcements in order to obtain the materials with the desired characteristics. In this paper, we present a review on AMMCs produced through stir casting routes. This review focuses on the following aspects: (i) different reinforcing materials in AMMCs; (ii) microstructural study of reinforced metal matrix composites (MMCs) through stir casting. Both reinforcing micro- and nanoparticles are focused. Micro- and nanoreinforced AMMCs have the attractive properties of combination such asthe low-weight-to-high-strength rati and, low density; (iii) various tribological and mechanical properties with the consideration of different input parameters; (iv) outlook and perspective.

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“…Table 1 lists the most common matrix materials used in the manufacture of Al-based composites. On the other hand, reinforcing materials used for the development of AMCs are generally hard ceramic particulates (e.g., TiC, SiC, TiB 2 , ZrO 2 ), continuous fibers (e.g., graphite or boron fibers), or discontinuous whiskers [19][20][21][22][23][24][25][26][27]. In addition, mechanically alloyed particles [28][29][30][31], and some agricultural wastes (e.g., rice husk ash, groundnut shell ash, sugarcane bagasse ash,) and industrial wastes (e.g.…”

Section: Introductionmentioning

confidence: 99%

Dry sliding wear response of aluminium matrix composites (AMCs): a critical review

Pateriya

Pradhan²

2023

Mater. Res. Express

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Researchers were compelled to create composites as alternatives to the already used engineering materials due to the industrial desire for fresh, promising materials with superior mechanical and tribological properties. Due to their superior characteristics, aluminium matrix composites (AMCs) with the appropriate class of particulate/particle reinforcements have been shown to have a wide range of tribological applications. A thorough evaluation of the sliding wear response of aluminium matrix composites (AMCs) in a dry environment using a pin-on-disc wear tester has been attempted in this review study. A discussion regarding wear performance of Al monolithic alloy and its composites has been made with respect to varying process parameters (e.g. normal load, sliding distance, and speed) and the concentration of different particle reinforcements incorporated in the production of aluminium matrix composites. The existing paper provides a synergic presentation of the effects of various intrinsic and extrinsic variables on wear characteristics, leading to the novelty and uniqueness of this review article.

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Studies on 7075 Aluminium Alloy MMCs with Milled Carbon Fibers as Reinforcements

Cited by 17 publications

References 16 publications

Electrical, Thermal, and Mechanical Characterization of Hot Coined Carbon Fiber Reinforced Pure Aluminium Composites

Electrical, Thermal, and Mechanical Characterization of Hot Coined Carbon Fiber Reinforced Pure Aluminium Composites

A Contemporary Review of Aluminium MMC Developed through Stir-Casting Route

Dry sliding wear response of aluminium matrix composites (AMCs): a critical review

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