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Fabrication and Characterization of Mechanical and Tribological Properties of SiC/Al2O3/AZ91 Magnesium Based Composite Material

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Magnesium is the lightest of all light metal alloys and therefore is an excellent choice for engineering applications when weight is a critical design element. It is strong, has good damping and is readily available. The use of pure magnesium is rare due to its instability at high temperatures and it is extremely corrosive in wet environments. Therefore the use of magnesium alloys when designing aerospace and automotive parts is critical. In this work the composite material study carried out by selecting magnesium alloy AZ91 and is strengthened by silicon carbide (SiC) micro powder particles which have the potential to have excellent mechanical and tribological properties with light weight. In this project metal matrix composite reinforced silicon carbide from 15-25 volume fraction-% where fabricated by stir casting. Aluminium oxide (Al2O3) is added at 20% volume fraction of SiCp to promote the elongation behavior of the composite material. Hence, it can be called as a hybrid composite material. The process involves the SiC blended inside the molten magnesium alloy by stirrer with speed of 500rpm and magnesium flux is added to overcome from the lack of wettability of reinforcement. The molten composite was then cast into the permanent die cast mould. Tensile test was performed on the specimen to analyze its tensile property as well as hardness of sample material. The wear test is carried out for 1, 2 and 3kg load at 300, 400, 500rpm sliding speed respectively which gives wear, frictional force and coefficient of friction of samples. The results were characterized and analyzed by comparing with pure AZ91 magnesium alloy.

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SiC/Al2O3/AZ91Mg alloy, Casting, Mechanical properties, Tribological properties.

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"Fabrication and Characterization of Mechanical and Tribological Properties of SiC/Al2O3/AZ91 Magnesium Based Composite Material ", International Journal of Emerging Technologies and Innovative Research ( | UGC and issn Approved), ISSN:2349-5162, Vol.5, Issue 1, page no. pp43-49, January-2018, Available at : &

Publication Details

Published Paper ID: JETIR1801010
Registration ID: 171208
Published In: Volume 5 | Issue 1 | Year January-2018
DOI (Digital Object Identifier):
Page No: 43-49
ISSN Number: 2349-5162

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(Volume 5 | Issue 1 | January 2018 |Impact factor 5.87)

Call For Paper | Volume 5 | Issue 1 | Impact factor 5.87

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  • » Paper Submission Till: 29 January 2018.
  • » UGC and ISSN Approved Journal
  • » Review (Acceptance/Rejection) Notification: Within 02-04 Days.
  • » Paper Publish:Within 02-07 Days after submitting the all documents.
  • » Frequency: Monthly (12 issue Annually)
  • » Journal Type : Open Access
  • » Publication Charges : 1300 INR
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