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Tugas Akhir Mesin

ANALISIS SIFAT KEKERASAN DAN KEKUATAN TEKAN KOMPOSIT BERBAHAN LIMBAH ALUMINIUM DAN LIMBAH KACA MENGGUNAKAN METODE METALURGI SERBUK

Waste is a problem that is still hotly discussed today. One
of the wastes that we often encounter is aluminum waste.
Aluminum waste can indeed be resmelted, but the results
of the smelting will produce even more dangerous waste,
namely B3 (Bahan Berbahaya Beracun/Hazardous Toxic)
waste. In addition to aluminum waste, there is also a lot of
waste that we encounter in our daily lives, namely glass
waste. Glass waste takes up to 1 million years to fully
decompose and if not utilized, it will pollute the
environment. This study aims to maximize the potential of
aluminum waste and glass waste by examining the effect
of variations in sintering temperature and material
composition on the hardness and compressive strength of
the composite. This research is started by crushing the
solid material into the mesh of 100, the next stage is
mixing the powder and then print it with 7 tons pressure
load. The last step is sintering the specimens at
temperatures of 390oC, 490oC, and 590oC with 60 minutes
holding time. The results show that the highest hardness
value is 60 HRF and the highest compressive strength
value is 235.59 MPa. Macrostructure observation shows
that there is greater porosity in the specimen with lower
mechanical properties. Variation of sintering temperature
has a directly proportional effect on the hardness and
compressive strength values. Variation in the composition
of material gives an inversely proportional effect on the
two tests of mechanical properties when viewed from the
percent addition of glass powder

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Indonesia
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