PENGARUH TEMPERATUR TUANG DAN KANDUNGAN SILICON TERHADAP NILAI KEKERASAN PADUAN Al-Si

Abstract: Research  on  the  effect  of  temperature  and  silicon  content  cast  on  the  value  of  Al-Si  alloy  violence done  by  re-casting  of  the  alloy  Al-0.24%  Si.  The  temperature  variation  with  temperature  castings made 71, 760 and 810o C. The addition of silicon content is done by adding alloys Al-0.24% Si alloy ADC  12.  From  the  results  of  the  study  concluded  that  the  temperature  did  not  cast  a  significant influence  on  increasing  the  value  of  violence. Effect  of  the  addition of  silicon  content increases  the value of the product of violence cast Al-0, 24Si at 33.67 to 56.06 BHN on silicon content of 2.66% for a temperature of 710o C cast. Hardness value at a temperature of 760O C castings for silicon content of 0.24%  by  34.59  BHN  also  experienced  an  increase  in  the  silicon  content  of  2.66%  to  50.81  BHN hardness value. BHN hardness value of 36.55 at a temperature of 810 OC cast for the silicon content of 0.24% increased to 54.24 BHN on silicon content of 2.66%.
Keyword: Aluminium, Temperature Castings, Silicon, BHN
Penulis: Bahtiar & Leo Soemardji
Kode Jurnal: jptmesindd120118

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