Microstructures and properties of silicon carbide- and graphene nanoplatelet-reinforced titanium diboride composites

Akin, Ipek; Kaya, Öznur

doi:10.1016/j.jallcom.2017.09.244

Cited by 37 publications

(19 citation statements)

References 36 publications

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“…Additionally, the surfaces of the materials form continuous GNP lubrication films and improve its frictional properties [49]. Akin et al proved that the GNP microstructures that surround matrix particles can promote their dispersion and improve the relative density and mechanical properties of composites [55]. Yuan Gao et al mentioned that GO can promote more stable dispersion of MWCNT due to their interactions, and they investigated the optimal ultrasonic dispersion parameters of GO/MWCNT in the dispersed cementing material [56].…”

Section: Non-covalent Functionalisationmentioning

confidence: 99%

“…Ipek et al investigated TiB 2 -SiC-GNP composites and find that the GNP effectively strengthen and toughen the composites when they surround matrix particles. In addition, strengthening and toughening mechanisms (such as crack deflection, branching, and SiC pull-out) are observed in the composites [55]. The matrix particles surrounded by grapheme can connect the graphene to several matrix particles and form complex anchorage to provide higher interfacial resistance and increase the energy required for graphene pull-out [72].…”

Section: Second-phase Strengtheningmentioning

confidence: 99%

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Research on the interface properties and strengthening–toughening mechanism of nanocarbon-toughened ceramic matrix composites

Liu

Jiang

Shi

et al. 2020

Nanotechnology Reviews

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AbstractNanocarbon materials (carbon nanotubes, graphene, graphene oxide, reduced graphene oxide, etc.) are considered the ideal toughening phase of ceramic matrix composites because of their unique structures and excellent properties. The strengthening and toughening effect of nanocarbon is attributed to several factors, such as their dispersibility in the matrix, interfacial bonding state with the matrix, and structural alteration. In this paper, the development state of nanocarbon-toughened ceramic matrix composites is reviewed based on the preparation methods and basic properties of nanocarbon-reinforced ceramic matrix composites. The assessment is implemented in terms of the influence of the interface bonding condition on the basic properties of ceramic matrix composites and the methods used to improve the interface bonding. Furthermore, the strengthening and toughening mechanisms of nanocarbon-toughened ceramic matrix composites are considered. Moreover, the key problems and perspectives of research work relating to nanocarbon-toughened ceramic matrix composites are highlighted.

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Section: Non-covalent Functionalisationmentioning

confidence: 99%

Section: Second-phase Strengtheningmentioning

confidence: 99%

Research on the interface properties and strengthening–toughening mechanism of nanocarbon-toughened ceramic matrix composites

Liu

Jiang

Shi

et al. 2020

Nanotechnology Reviews

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“…Nine different compositions were prepared ( Table 1). The powder preparation method is explained in detail in a previous publication [9]. The samples were sintered at SPS temperatures of 1700 or 1750°C (depending on the composition) for 5 min under a uniaxial pressure of 50 MPa with a heating rate of 2°C/s in a vacuum.…”

Section: Composite Productionmentioning

confidence: 99%

“…The use of graphene has been utilized in several UHTCs, such as TiB 2 -SiC [9], ZrB 2 -SiC [10,11], TiB 2 -TiC [12], SiC [13], and TaC [14,15]. In our previous study [9], the effects of silicon carbide and silicon carbide-graphene platelet additions on the properties of TiB 2 were investigated. It was found that the GNP positioning and homogeneous distribution of GNP are critical parameters for achieving properties such as high fracture toughness, high thermal conductivity and improved oxidation resistance.…”

Section: Introductionmentioning

confidence: 99%

Effects ofSiCandSiC-GNP additions on the mechanical properties and oxidation behavior of NbB₂

Akin

Ocak

Şahin

et al. 2019

Journal of Asian Ceramic Societies

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Monolithic NbB 2 , NbB 2-SiC, and NbB 2-SiC-GNP samples were produced by spark plasma sintering (SPS), and the effects of additives on the mechanical and thermal properties, microstructures, and oxidation behavior of the samples were investigated. The addition of SiC up to 30 vol% decreased the Vickers hardness of the binary composites due to microcrack formation. The fracture toughness and oxidation resistance of NbB 2 were improved with the incorporation of SiC. Fracture toughness was higher for all the composites in comparison to monolithic NbB 2 , moreover the highest value of~5.2 MPa•m 1/2 exhibited by 3 vol% GNPcontaining composite. A strong interface and homogeneous distribution of GNPs enhanced the thermal transfer properties and improved the oxidation resistance of selected NbB 2-SiC ceramics in oxidation studies at 1200°C. A combination of high mechanical properties, high thermal conductivity, and low mass gain was achieved for the NbB 2-SiC-GNP samples with 1 and 3 vol% GNPs.

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“…Observation from this study indicated an increase in tensile strength and wear rate with respect to the increase in weight percent of nanoceramic (SiC). A recent study by Akin et al [Akin and Kaya (2017)] also attributed increase in oxidation resistance and fracture toughness to an increase in percentage of SiC reinforcement. Although an extensive research has been carried out on production of aluminium matrix composite via stir casting, little or no literature is available on reinforcing aluminium matrix composite with higher weight percent of silicon carbide in addition to ferrotitanium.…”

Section: Introductionmentioning

confidence: 96%

Study of Microstructural and Mechanical Properties of Stir Cast Al (SiC-Mg-TiFe) Composite

Akinwamide¹,

Lemika²,

Obadele³

et al. 2019

Fluid Dynamics &Amp; Materials Processing

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Development of metal matrix composite is becoming widespread in most engineering applications where excellent mechanical properties are required. Mechanical and microstructural properties of aluminium reinforced with silicon carbide was investigated. Ingot of aluminium was melted in a furnace at temperature ranging between 650-700 ℃. Ferrotitanium and silicon carbide were preheated in a muffle furnace before addition to molten aluminium in a crucible furnace. Fixed proportions of magnesium, ferrotitanium and varying proportions of silicon carbide were utilized as reinforcements. Stirring was carried out manually for a minimum of 10 mins after the addition of each weight percent of silicon carbide. Resulting as-cast samples were sectioned for various mechanical and microstructural analysis. Microstructural studies from optical microscopy and scanning electron microscopy (SEM) showed the dispersion of reinforcements in the aluminium matrix. Mechanical properties which includes hardness and tensile strength of fabricated composites were observed to increase, while XRD analysis showed various phases formed from reaction between the matrix and reinforcements.

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Microstructures and properties of silicon carbide- and graphene nanoplatelet-reinforced titanium diboride composites

Cited by 37 publications

References 36 publications

Research on the interface properties and strengthening–toughening mechanism of nanocarbon-toughened ceramic matrix composites

Research on the interface properties and strengthening–toughening mechanism of nanocarbon-toughened ceramic matrix composites

Effects ofSiCandSiC-GNP additions on the mechanical properties and oxidation behavior of NbB₂

Study of Microstructural and Mechanical Properties of Stir Cast Al (SiC-Mg-TiFe) Composite

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Microstructures and properties of silicon carbide- and graphene nanoplatelet-reinforced titanium diboride composites

Cited by 37 publications

References 36 publications

Research on the interface properties and strengthening–toughening mechanism of nanocarbon-toughened ceramic matrix composites

Research on the interface properties and strengthening–toughening mechanism of nanocarbon-toughened ceramic matrix composites

Effects ofSiCandSiC-GNP additions on the mechanical properties and oxidation behavior of NbB2

Study of Microstructural and Mechanical Properties of Stir Cast Al (SiC-Mg-TiFe) Composite

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Effects ofSiCandSiC-GNP additions on the mechanical properties and oxidation behavior of NbB₂