Effect of processing parameters on the cyclic behaviour of aluminium friction stir welded to spark plasma sintered aluminium matrix composites with bimodal micro-and nano-sized reinforcing alumina particles

Sadeghi, Behzad; Cavaliere, Pasquale; Laska, Aleksandra; Perrone, A.; Blasi, G.; Gopinathan, Arun; Shamanian, M.; Ashrafizadeh, F.

doi:10.1016/j.matchar.2022.112535

Cited by 9 publications

(5 citation statements)

References 56 publications

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Section: Resultsmentioning

confidence: 99%

“…The occurrence of such agglomeration of ceramic reinforcing particles within the aluminum matrix composite, consolidated through the SPS process, has been documented in several prior studies. [39][40][41] Conversely, the inclusion of the Si element led to a reduction in COV values for both hybrid reinforced and monolithic reinforced samples. Notably, the lowest COV value, ≈0.38, was recorded for Al-Si/MONO.…”

Section: Al-si/hyb Samplementioning

confidence: 97%

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Mechanical and Tribological Properties of Hybrid and Monolithic Reinforced Hypoeutectic Al–Si Matrix Composites

Rezaei,

Nazemnezhad,

Farahmandrad

2024

Adv Eng Mater

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This study investigates the combined influence of Si element and reinforcing particles on the hardness and wear performance of aluminum matrix composites. The composites in focus include Fe‐based metallic glass (FMG) monolithic reinforced and FMG/SiC hybrid reinforced Al‐5 wt% Si matrix composites, fabricated through spark plasma sintering (SPS). A comprehensive investigation was carried out, encompassing the analysis of microstructural attributes and the examination of worn surfaces through field emission scanning electron microscopy. Additionally, the study scrutinized two pivotal factors—hardness and density—recognizing their pivotal roles in determining the tribological performance of these composites. The experimental findings demonstrated the presence of an oxide protective layer on the worn surfaces of all specimens. Although, FMG/SiC hybrid reinforced Al‐5 wt% Si matrix composite possessed the highest hardness value, the best tribological performance was observed in Si‐bearing monolithic reinforced composite. The addition of Si to the matrix of monolithic reinforced composite facilitated improved densification behavior and enhanced the distribution of reinforcing particles, resulting in a more stable and protective oxide layer in this specific sample. Furthermore, the study identified a transition in the operative wear mechanisms from delamination to mild abrasion and adhesion with the inclusion of Si element.This article is protected by copyright. All rights reserved.

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Section: Resultsmentioning

confidence: 99%

Section: Al-si/hyb Samplementioning

confidence: 97%

Mechanical and Tribological Properties of Hybrid and Monolithic Reinforced Hypoeutectic Al–Si Matrix Composites

Rezaei,

Nazemnezhad,

Farahmandrad

2024

Adv Eng Mater

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“…The nano-micron hybrid configuration is an effective design that combines two different sizes of reinforcements to synergistically improve both strength and toughness under load. Larger particles can withstand significant loads and accumulate strain energy, triggering recrystallization in the surrounding metal matrix [17,[64][65][66]. On the other hand, smaller nanoparticles reduce the stress concentration in the GBAZs and IAZs around the larger particles, retarding phenomena such as recrystallization and grain growth (Figure 2) [3,[67][68][69][70].…”

Section: Strengthening and Toughening Of Micro-heterogeneous Configur...mentioning

confidence: 99%

“…Furthermore, the adoption of a reinforcing design configuration leads to enhanced fatigue and strength properties in bimodal-sized Al 2 O 3 /Al nanocomposites, which incorporate both micro-sized and nanosized Al 2 O 3 particles. The uniform presence of nano-sized alumina within the grain interior restricts dislocation mobility, while the micro-sized alumina at the grain boundaries limits grain boundary migration [17].…”

Section: Strengthening and Toughening Of Micro-heterogeneous Configur...mentioning

confidence: 99%

“…From a microstructural perspective, design configuration offers a promising approach to simultaneously improving the strength and toughness of metallic materials, provided that precise control of the structural elements is achieved. However, it is important to note that the relationship between strength and toughness in metal matrix composites is affected by local stress concentration, deformation mismatch, and the presence of dense, large-angle grain boundaries that favor the formation of micropores [16,17]. Conventional approaches to metal matrix composites focus on the homogenization and recombination of a single-phase, single-scale reinforcement matrix.…”

Section: Introductionmentioning

confidence: 99%

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Reviewing the Integrated Design Approach for Augmenting Strength and Toughness at Macro- and Micro-Scale in High-Performance Advanced Composites

Sadeghi,

Cavaliere

2023

Materials

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In response to the growing demand for high-strength and high-toughness materials in industries such as aerospace and automotive, there is a need for metal matrix composites (MMCs) that can simultaneously increase strength and toughness. The mechanical properties of MMCs depend not only on the content of reinforcing elements, but also on the architecture of the composite (shape, size, and spatial distribution). This paper focuses on the design configurations of MMCs, which include both the configurations resulting from the reinforcements and the inherent heterogeneity of the matrix itself. Such high-performance MMCs exhibit excellent mechanical properties, such as high strength, plasticity, and fracture toughness. These properties, which are not present in conventional homogeneous materials, are mainly due to the synergistic effects resulting from the interactions between the internal components, including stress–strain gradients, geometrically necessary dislocations, and unique interfacial behavior. Among them, aluminum matrix composites (AMCs) are of particular importance due to their potential for weight reduction and performance enhancement in aerospace, electronics, and electric vehicles. However, the challenge lies in the inverse relationship between strength and toughness, which hinders the widespread use and large-scale development of MMCs. Composite material design plays a critical role in simultaneously improving strength and toughness. This review examines the advantages of toughness, toughness mechanisms, toughness distribution properties, and structural parameters in the development of composite structures. The development of synthetic composites with homogeneous structural designs inspired by biological composites such as bone offers insights into achieving exceptional strength and toughness in lightweight structures. In addition, understanding fracture behavior and toughness mechanisms in heterogeneous nanostructures is critical to advancing the field of metal matrix composites. The future development direction of architectural composites and the design of the reinforcement and toughness of metal matrix composites based on energy dissipation theory are also proposed. In conclusion, the design of composite architectures holds enormous potential for the development of composites with excellent strength and toughness to meet the requirements of lightweight structures in various industries.

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Interfacial behavior of Al/SiC composites and response against quasi-static loading, dynamic loading, fatigue, and ballistic impact

Bhatti,

Wang,

Baig

et al. 2024

Journal of Alloys and Compounds

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Effect of processing parameters on the cyclic behaviour of aluminium friction stir welded to spark plasma sintered aluminium matrix composites with bimodal micro-and nano-sized reinforcing alumina particles

Cited by 9 publications

References 56 publications

Mechanical and Tribological Properties of Hybrid and Monolithic Reinforced Hypoeutectic Al–Si Matrix Composites

Mechanical and Tribological Properties of Hybrid and Monolithic Reinforced Hypoeutectic Al–Si Matrix Composites

Reviewing the Integrated Design Approach for Augmenting Strength and Toughness at Macro- and Micro-Scale in High-Performance Advanced Composites

Interfacial behavior of Al/SiC composites and response against quasi-static loading, dynamic loading, fatigue, and ballistic impact

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