Development of Aluminium Based Silicon Carbide Particulate Metal Matrix Composite

Singla, Manoj; Dwivedi, Dushyant; Singh, Lakhvir; Chawla, Vikas

doi:10.4236/jmmce.2009.86040

Cited by 267 publications

(143 citation statements)

References 6 publications

(7 reference statements)

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“…The use of borax additive in the combination with the two-step stirring to aim improve the wettability SiC particulates on interfacial Al matrix [4,13]. It was observed that the porosity in the monolithic alloy cast without stirring havehigher levelporosity compared to the composites produced by the twostep stirring and addition the Borax [3].The adoption of the two-step stirring and the addition of borax tended to be decreased the porosity levels and the minimal defectscasting in the composites produced [3,6].…”

Section: Porosity Investigationmentioning

confidence: 99%

“…Agglomeration the SiC tended to improvedin a lower speed and time [5]. The first stirring of borax / SiC particles then heated and the molten Al slurry were performed in the semi-solid state to prevent the relatively denser SiC particles from floating on the surface of the melt due to the high surface tension and the poor wetting between the particles and the melt [3,6]. A uniform dispersion product of SiC particles in the microstructure of Al based-matrix-composites had been used as a composite quality-level measurement [16].…”

Section: Microstructure and Sem Investigationmentioning

confidence: 99%

“…In this case, the use of borax additive in the combination of two-step stirring was to improve the wettability without pre-heating the SiC particulates and decrease level of porosity until 1,6% [3][4][5][6].…”

Section: Introductionmentioning

confidence: 99%

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Compared production behavior of borax and unborax premixed SiC reinforcement Al7Si-Mg-TiB alloys composites with semi-solid stir casting method

Haryono¹,

Sulardjaka²,

Nugroho³

2016

AIP Conference Proceedings

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Abstract. The present study was aimed to investigate the effect of borax additive on physical and mechanical properties of Al7Si-Mg-TiB with the reinforcement of silicon carbide. In this case, the different weight percentage from the reinforcement of SiC (10, 15, and 20% wt), and the borax additive (ratio 1:4) were homogenously added into the matrix by employing the semi-solid stir casting method at the temperature of 590°C. Al7Si-Mg-TiB melted in an electric resistance furnace at 800°C for 25 minutes and the holding time of 5 minutes; SiC was stirred with borax inside the chamber and heated at the temperature of 250°C for 25 minutes. Then, it melted by lowing the temperature into 590°C. The SiC-borax mixture was added into the electric resistance furnace, and automatically stirred by the stirrer at a constant speed (500 rpm for 3 minutes) in the composite A17Si-Mg-TiB. It melted when heated at 750°C for 17minutes,then, casting was performed on the prepared mould. The characterizations of Al7Si-Mg-TiB-SiC/borax were porosity, hardness, and microstructure on the Al7Si-Mg-TiB-SiC/ borax. The porosity of AMC tended to increase along with the increaseof the wt% SiC (1.4%-3.6%); however, borax additive underwent a decrease in porosity (0.14%-1.3%). Further, hardness tended to improve along with the increase of wt% SiC. The unboraxmixture had 79,6 HRB up to 94 HRB. Whereas, the borax additive mixture had 105,8 HRB up to 121 HRB.

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Section: Porosity Investigationmentioning

confidence: 99%

Section: Microstructure and Sem Investigationmentioning

confidence: 99%

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Compared production behavior of borax and unborax premixed SiC reinforcement Al7Si-Mg-TiB alloys composites with semi-solid stir casting method

Haryono¹,

Sulardjaka²,

Nugroho³

2016

AIP Conference Proceedings

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“…In the final mixing process the furnace temperature were controlled within 700±10ºC. The stirrer position was such that 35% of material should be below the stirrer and 65% of material should be above the stirrer [20]. After the complete addition of particles, the melt was stirred for a defined time.…”

Section: Ijretorg 377mentioning

confidence: 99%

Optimization of Process Parameter for Stir Casted Aluminium Metal Matrix Composite Using Taguchi Method

Singh¹

2013

IJRET

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“…Among these, TiC is a relatively new reinforcement in metal matrix composites and has good properties such as wettability, thermal stability and distribution in Aluminium metal matrix [15][16][17].…”

Section: Introductionmentioning

confidence: 99%

Fabrication and Characterizations of Mechanical Properties of Al-4.5%Cu/10TiC Composite by <i>In-situ</i> Method

Kumar¹,

Mahapatra²,

Jha³

2012

JMMCE

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Addition of reinforcement such as TiC, SiC, Al 2 O 3 , TiO 2 , TiN, etc. to Aluminium matrix for enhancing the mechanical properties has been a well established fact. In-situ method of reinforcement of the Aluminium matrix with ceramic phase like Titanium Carbide (TiC) is well preferred over the Ex-situ method. In the present investigation, Al-Cu alloy (series of 2014 Aluminium alloy) was used as matrix and reinforced with TiC using In-situ process. The Metal Matrix Composite (MMC) material, Al-4.5%Cu/10%TiC developed exhibited higher yield strength, ultimate strength and hardness as compared to Al-4.5%Cu alloy. Percentage increase in yield and ultimate tensile strengths were reported to be about 15% and 24% respectively whereas Vickers hardness increased by about 35%. The higher values in hardness indicated that the TiC particles contributed to the increase of hardness of matrix. Fractured surface of the tensile specimen of the composite material indicated presence of dimpled surface, indicating thereby a ductile type of fracture. During the fabrication of composite, reaction products such as Al 3 Ti, Al 2 Cu and Al 3 C 4 were identified with various morphologies and sizes in metal matrix.

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Development of Aluminium Based Silicon Carbide Particulate Metal Matrix Composite

Abstract: Metal Matrix Composites (MMCs) have evoked a keen interest in recent times for potential applications in aerospace and automotive industries owing to their superior strength to weight

Cited by 267 publications

References 6 publications

Compared production behavior of borax and unborax premixed SiC reinforcement Al7Si-Mg-TiB alloys composites with semi-solid stir casting method

Compared production behavior of borax and unborax premixed SiC reinforcement Al7Si-Mg-TiB alloys composites with semi-solid stir casting method

Optimization of Process Parameter for Stir Casted Aluminium Metal Matrix Composite Using Taguchi Method

Fabrication and Characterizations of Mechanical Properties of Al-4.5%Cu/10TiC Composite by <i>In-situ</i> Method

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Development of Aluminium Based Silicon Carbide Particulate Metal Matrix Composite

Abstract: Metal Matrix Composites (MMCs) have evoked a keen interest in recent times for potential applications in aerospace and automotive industries owing to their superior strength to weight

Cited by 267 publications

References 6 publications

Compared production behavior of borax and unborax premixed SiC reinforcement Al7Si-Mg-TiB alloys composites with semi-solid stir casting method

Compared production behavior of borax and unborax premixed SiC reinforcement Al7Si-Mg-TiB alloys composites with semi-solid stir casting method

Optimization of Process Parameter for Stir Casted Aluminium Metal Matrix Composite Using Taguchi Method

Fabrication and Characterizations of Mechanical Properties of Al-4.5%Cu/10TiC Composite by &lt;i&gt;In-situ&lt;/i&gt; Method

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Fabrication and Characterizations of Mechanical Properties of Al-4.5%Cu/10TiC Composite by <i>In-situ</i> Method