ANALISIS SIFAT KEKERASAN, SIFAT KIMIA, DAN STRUKTUR MIKRO LIMBAH PISTON
Abstract
Technological developments in the automotive field are growing, including
the use of lighter, stronger, and resistant corrosion , one of which uses
aluminum. The use of aluminum alloys is currently increasing from year to
year. This can be seen from the order of the use of aluminum alloy metal
which ranks second after the use of ferrous or steel, and in the first place for nonferrous metals. The annual demand for aluminum in Indonesia reaches 200,000 to 300,000 tons. The research on the use of scrap metal aims to provide solutions to problems faced by entrepreneurs in the transportation sector, especially the problem of the availability of spare parts and the high price of vehicle parts. In addition, it also reduces piston waste, which is difficult to degraded in nature. Therefore, research needs to done about piston waste. The result showed that the average hardnessof the used piston waste test obtained i.e. 77 HRB, which included the type of AA.333.0 alloy, and the micro structure of the piston waste was dominated by aluminum and silicate.
Keywords: piston, hardness, microstructure
the use of lighter, stronger, and resistant corrosion , one of which uses
aluminum. The use of aluminum alloys is currently increasing from year to
year. This can be seen from the order of the use of aluminum alloy metal
which ranks second after the use of ferrous or steel, and in the first place for nonferrous metals. The annual demand for aluminum in Indonesia reaches 200,000 to 300,000 tons. The research on the use of scrap metal aims to provide solutions to problems faced by entrepreneurs in the transportation sector, especially the problem of the availability of spare parts and the high price of vehicle parts. In addition, it also reduces piston waste, which is difficult to degraded in nature. Therefore, research needs to done about piston waste. The result showed that the average hardnessof the used piston waste test obtained i.e. 77 HRB, which included the type of AA.333.0 alloy, and the micro structure of the piston waste was dominated by aluminum and silicate.
Keywords: piston, hardness, microstructure
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