Production of superplastic aluminium composites reinforced with Si3N4 by powder metallurgy

Mabuchi, Mamoru; Imai, Tomohiro; Higashi, Kenji

doi:10.1007/bf00356398

Cited by 13 publications

(3 citation statements)

References 12 publications

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“…Findings of Mabuchi et al [61] is whiskers offer high tensile strength over particulate reinforcement for the composite AA6061/Si3N4. This may be due to the more uniform distribution of the reinforcement.…”

Section: C-2 Tensile Behaviormentioning

confidence: 92%

Silicon Nitride as a Reinforcement for Aluminium Metal Matrix Composites to Enhance Microstructural, Mechanical and Tribological Behavior

Arya¹,

Telang²

2020

IJEAT

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In recent years, aluminium and its hybrid composites receiving more attention due to its excellent property combinations like improved mechanical properties, better wear and high corrosion resistance, ease to process and probably reduced production cost etc.. Composite is made of two phases one is matrix and another one is reinforcement. The performance of composite highly depends on some key factors that decide overall performance and they are properties of constituent phases, reinforcement size, reinforcement distribution in the matrix and their interfacial interaction. Particle reinforced metal matrix composites (particulate metal matrix composites- PMMCs) are becoming more popular due to their low cost, easy to process and compatible to conventional processing techniques. Also they give isotropic properties. The most commonly used reinforcements are carbides, oxides and nitrides. A lot of research has taken place including carbide and oxide as a reinforcement particles for aluminum matrix composites (AMCs) and hybrid aluminium matrix composites (HAMCs) while there is a bit research lag in use of nitride as a reinforcement for development of AMCs and HAMCs. Recent competitive market demands the material having better combination of properties, cost effectiveness and eco-friendly nature. Present article focused on to study the microstructural features, physical properties, mechanical and tribological behavior of aluminium matrix composites when reinforced with silicon nitride particles (Si3N4). Potential area of applications has also been suggested on the basis of literature data. In this review a comprehensive study has done for current scientific development carried out in Al based Si3N4 composites as well as its future scope has also been discussed

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Section: C-2 Tensile Behaviormentioning

confidence: 92%

Silicon Nitride as a Reinforcement for Aluminium Metal Matrix Composites to Enhance Microstructural, Mechanical and Tribological Behavior

Arya¹,

Telang²

2020

IJEAT

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“…[17] Hot extrusion was carried out at 773 K with a reduction ratio of 100:1. The diameter of the Si 3 N 4 particulates is less than 1 m. The details of the fabrication process are given elsewhere.…”

Section: Methodsmentioning

confidence: 99%

Superplastic behavior and cavitation in high-strain-rate superplastic Si3N4p /Al-Mg-Si composites

Iwasaki

Mori

Mabuchi

et al. 1998

Metall Mater Trans A

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High-strain-rate superplastic behavior has been investigated for Si 3 N 4p /Al-Mg-Si (6061) composites with a V f ϭ 20 and 30 pct, respectively, where V f is the volume fraction of reinforcements. A maximum elongation was attained at a temperature close to the onset temperature for melting for both composites. The maximum elongation for the 30 vol pct composite was larger than that for the 20 vol pct composite. Development of cavities transverse to the tensile direction is responsible for the lower maximum elongation of the 20 vol pct composite. However, development of the transverse cavities was limited to the optimum superplastic temperature for the 30 vol pct composite. The differential scanning calorimetry (DSC) investigation showed that a sharp endothermic peak appeared for the 30 vol pct composite, indicating that sufficient partial melting occurs. It is, therefore, likely that the stress concentrations are sufficiently relaxed by a liquid phase and that the development of transverse cavities is limited for the 30 vol pct composite.

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“…71 It is recognized that large particles (≥1 µm) stimulate recrystallization. Reinforcements stimulate recrystallization during hot working (extrusion) for the composites.…”

Section: Thermomechanical Treatmentmentioning

confidence: 99%

The processing, properties, and applications of high-strain-rate superplastic materials

Mabuchi¹,

Higashi²

1998

JOM

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Production of superplastic aluminium composites reinforced with Si3N4 by powder metallurgy

Cited by 13 publications

References 12 publications

Silicon Nitride as a Reinforcement for Aluminium Metal Matrix Composites to Enhance Microstructural, Mechanical and Tribological Behavior

Silicon Nitride as a Reinforcement for Aluminium Metal Matrix Composites to Enhance Microstructural, Mechanical and Tribological Behavior

Superplastic behavior and cavitation in high-strain-rate superplastic Si3N4p /Al-Mg-Si composites

The processing, properties, and applications of high-strain-rate superplastic materials

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