Synthesis and Characterisation of Al-Si Alloy

Synthesis and Characterisation of Al-Si Alloy

Prashantha Kumar H.G

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Asst. Prof. Mohan Kumar.S

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Prof. Keerthiprasad K.S

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α Visvesvaraya Technological University

Synthesis and Characterisation of Al-Si Alloy

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Abstract

Within the last few years there has been a rapid increase in the utilization of aluminium-silicon alloys, particularly in the automobile industries, due to their high strength to weight ratio, high wear resistance, low density and low coefficient of thermal expansion. The advancements in the field of application make the study of their wear and tensile behaviour of utmost importance. In this present investigation, Aluminium based alloys containing 12% weight of Silicon were synthesized using Centrifugal casting method. In case of this centrifugal process the molten metal is poured in to the mould rotating at different rotational speeds. The centrifugal force helps in feeding and positioning metal in the mould. The product produced by centrifugal casting has a good quality, dimensional accuracy as Centrifugal casting results in denser and cleaner metal as heavier metal is thrown to parts of the mould away from the centrifugal action removes unwanted inclusions, dross, cleaner casting, and material that contains shrinkage, which can be machined away. Study of microstructure has showed the presence of primary silicon. Hardness is compared with the different casting speeds. Tensile tests were carried out with universal testing machine. Yield strength and ultimate tensile strength are studied for different rotational speeds. Wear behavior was studied and resistance to wear is analyzed. The worn surfaces were analyzed.

References

18 Cites in Article

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Funding

No external funding was declared for this work.

Conflict of Interest

The authors declare no conflict of interest.

Ethical Approval

No ethics committee approval was required for this article type.

Data Availability

Not applicable for this article.

How to Cite This Article

Prashantha Kumar H.G. 2013. \u201cSynthesis and Characterisation of Al-Si Alloy\u201d. Global Journal of Research in Engineering - A : Mechanical & Mechanics GJRE-A Volume 13 (GJRE Volume 13 Issue A6): .

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GJRE Volume 13 Issue A6
Pg. 9- 16

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Journal Specifications

Crossref Journal DOI 10.17406/gjre

Print ISSN 0975-5861

e-ISSN 2249-4596

Keywords

Al-Si alloys centrifugal casting hardness microstructure Wear

Submission ReceivedDecember 11, 2012
Peer Review Double Blind
Handling Editor
Accepted January 4, 2013
Published January 15, 2013

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August 9, 2013

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Article Matrices

Total Score: 103

Country: India

Subject: Global Journal of Research in Engineering - A : Mechanical & Mechanics

Authors: Prashantha Kumar H.G, Asst. Prof. Mohan Kumar.S, Prof. Keerthiprasad K.S (PhD/Dr. count: 0)

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Total Downloads: 2396

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