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All Journal Jurnal Nosel
Nur Chafiedz
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Education Mechanical Engineering

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ANALISIS KUALITAS HASIL REPAIR WELDING TERHADAP SIFAT FISIS DAN MEKANIS PADA CAST WHEEL ALUMINIUM DENGAN METODE PENGELASAN OKSI-ASETILIN Chafiedz, Nur
Jurnal Nosel Vol 2, No 1 (2013): July
Publisher : Jurnal Nosel

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Abstract

The purposes of this research are: (1) To know microstructure oxy- acetylene welded joints in aluminium cast wheel.,(2) To know hardness aluminium cast wheel before and after oxy-acetylene welding.,(3) To know the impact strength in aluminium cast wheel before and after oxy-acetylene welding From  the research, we can conclude that the chemical composition on aluminium cast wheel including alloy Aluminium Silicon, because the element Si alloy is the largest, ie 7.38% Si. Microstructure on base metal  granules the spread equally on the surface of Al. Specimen hardness value raw material higher than oxy-acetylene welding specimens. The average value of raw material hardness results 57.58 BHN while the average value of oxy-acetylene welding results 54.80 BHN. Average hardness oxy-acetylene welding specimens in the HAZ area 38.69 BHN. The average value of raw material impact results 0,12 J/mm² while the average value of oxy-acetylene welding results 0,085 J/mm².
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