Mechanical Behavior of Al and Mg Based Nanocomposites

Ceschini, Lorella; Dahle, A. K.; Gupta, Manoj; Jarfors, Anders E. W.; Jayalakshmi, S.; Morri, Alessandro; Rotundo, Fabio; Toschi, Stefania; Singh, R. Arvind

doi:10.1007/978-981-10-2681-2_4

Cited by 3 publications

(4 citation statements)

References 112 publications

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“…The presence of hard nano-NiTi particles (~600 Hv) improves the microhardness of the composites as explained by the rule of mixtures [37].…”

Section: Mechanical Propertiesmentioning

confidence: 94%

“…The presence of hard nano-NiTi particles (~600 Hv) improves the microhardness of the composites as explained by the rule of mixtures [37]. (1) where, Hc, Hm, and Hr represents the hardness of the composite, matrix, and reinforcement, while Fr and Fm are the volume fraction of reinforcement and matrix, respectively.…”

Section: Mechanical Propertiesmentioning

confidence: 99%

“…Also, the lower CTE of the composites can be attributed to a reasonably uniform distribution of particles within the matrix which is evident from the microstructural examinations. To note that improvement in the thermal and dimensional stability is key in activating the Forest strengthening mechanism leading to the strengthening of the nanocomposites [37].…”

Section: Damping Behaviormentioning

confidence: 99%

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Improving Mechanical, Thermal and Damping Properties of NiTi (Nitinol) Reinforced Aluminum Nanocomposites

et al. 2020

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In the present study, Ni50Ti50 (NiTi) particle reinforced aluminum nanocomposites were fabricated using microwave sintering and subsequently hot extrusion. The effect of NiTi (0, 0.5, 1.0, and 1.5 vol %) content on the microstructural, mechanical, thermal, and damping properties of the extruded Al-NiTi nanocomposites was studied. Compared to the unreinforced aluminum, hardness, ultimate compression/tensile strength and yield strength increased by 105%, 46%, 45%, and 41% while elongation and coefficient of thermal expansion (CTE) decreased by 49% and 22%, respectively. The fabricated Al-1.5 NiTi nanocomposite exhibited significantly higher damping capacity (3.23 × 10−4) and elastic modulus (78.48 ± 0.008 GPa) when compared to pure Al.

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“…The presence of hard nano-NiTi particles (~600 Hv) improves the microhardness of the composites as explained by the rule of mixtures [37].…”

Section: Mechanical Propertiesmentioning

confidence: 94%

Section: Mechanical Propertiesmentioning

confidence: 99%

Section: Damping Behaviormentioning

confidence: 99%

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Improving Mechanical, Thermal and Damping Properties of NiTi (Nitinol) Reinforced Aluminum Nanocomposites

et al. 2020

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“…AMCs products have been widely applied in the aerospace and automotive industries due to their high strength-to-weight ratio [1], even aluminium metal is the second light metal after magnesium which is most widely used in industry after iron [2,3]. The reinforcement of composite materials using a soft and ductile aluminium matrix, combined with rigid ceramic particles, such as oxides, carbides, borides, and nitrides, requires adequate engineering processes to obtain AMCs products with mechanical properties, such as lesser porosity, higher hardness, and greater resistance to friction [4][5][6].…”

Section: Introductionmentioning

confidence: 99%

The effect of milling time on the alumina phase transformation in the AMCs powder metallurgy reinforced by silica-sand-tailings

et al. 2022

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This study aims to determine the effect of milling time and sintering temperature parameters on the alumina transformation phase in the manufacture of Aluminium Matrix Composites (AMCs) reinforced by 20 % silica sand tailings using powder metallurgy technology. The matrix and fillers use waste to make the composites more efficient, clean the environment, and increase waste utilization. The milling time applied to the Mechanical Alloying (MA) process was 0.5, 6, 24, 48, and 96 hours, with a ball parameter ratio of 15:1 and a rotation of 93 rpm. Furthermore, hot compaction was carried out using a 100 MPa two-way hydraulic compression machine at a temperature of 300 °C for 20 minutes. The temperature variables of the sintering parameter process were 550, 600 to 650 °C, with a holding time of 10 minutes. Characterization of materials carried out included testing particle size, porosity, X-Ray Diffraction (XRD), SEM-Image, and SEM-EDX. The particle measurement of mechanical alloying processed, using Particle Size Analyzer (PSA) instrument and based on XRD data using the Scherrer equation, showed a relatively similar trend, decreasing particle size occurs when milling time was increased 0.5 to 24 hours. However, when the milling time increases to 48 and 96 hours, the particle size tends to increase slightly, due to cold-weld and agglomeration when the Mechanical Alloying is processed. The impact is the occurrence of the matrix and filler particle pairs in the cold-weld state. So, the results of XRD and SEM-EDX characterization showed a second phase transformation to form alumina compounds at a relatively low sintering temperature of 600 °C after the mechanical alloying process was carried out with a milling time on least 24 hours

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Microstructure Formation and Micropillar Compression of Al-TiC Nanocomposite Manufactured by Solidification Nanoprocessing

Cao

Pozuelo

et al. 2019

Metall Mater Trans A

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Mechanical Behavior of Al and Mg Based Nanocomposites

Cited by 3 publications

References 112 publications

Improving Mechanical, Thermal and Damping Properties of NiTi (Nitinol) Reinforced Aluminum Nanocomposites

Improving Mechanical, Thermal and Damping Properties of NiTi (Nitinol) Reinforced Aluminum Nanocomposites

The effect of milling time on the alumina phase transformation in the AMCs powder metallurgy reinforced by silica-sand-tailings

Microstructure Formation and Micropillar Compression of Al-TiC Nanocomposite Manufactured by Solidification Nanoprocessing

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