TORSIONAL VIBRATION ALAYSIS OF ALUMINIUM SILICON CARBIDEDONE BY R.MANOHARANUNDER THE GUIDIENCE OFC.PARTHASARATHYABSTRACTConventionalmaterialslikeSteel,Brass, Aluminium etc will fail without any indication.Cracks initiation, propagation will takes place withinashortspan.Nowadaytoovercome thisproblem,conventionalmaterialsare replacedbyAluminiumalloymaterials. Aluminiumalloymaterialsfoundtothebest alternativewithitsuniquecapacityof designingthematerialstogiverequired properties.nthispapertensilestrengthe!periments havebeenconductedbyvaryingmass fraction of SiC "#$, %&$, %#$, and '&$( with Aluminium.)hema!imumtensilestrength hasbeenobtainedat%#$SiCratio. *echanicalbehaviourofAluminiumSilicon Carbide alloys are also investigated.

C+*,+S)- *A)-.A/ )-C0N+/+12 Composites *aterials are engineered materials combining two or more materials to obtain the desired combination of properties for speci3c applications Composites are -!citing *aterials whichare3nding ncreasing Applications in Aerospace, transportation,Communication, ,ower, -lectronics recreation sporting and numerous other commercial and Consumer products CHARACTERISTICS OF ALUMINIUM ALLOY TheAluminiumallo!om"o#i$ema$e%ial# !on#i#$o&hi'h#"e!i(!#$%en'$h)hi'h #"e!i(!#$i*ne##)mo%e$he%mal#$a+ili$) mo%e!o%%o#ionan,-ea%%e#i#$an!e)hi'h &a$i'ueli&e.AlSiC)"%onoun!e,.al#i!/0i#a me$alma$%i1!om"o#i$e!on#i#$in'o& aluminiumma$%i1-i$h#ili!on!a%+i,e "a%$i!le#.I$ha#hi'h$he%mal!on,u!$i2i$ 345678669:m;