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All Journal ROTOR: JURNAL ILMIAH TEKNIK MESIN
Abdul Fatah Rozali
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Automotive Engineering Energy Industrial & Manufacturing Engineering Materials Science & Nanotechnology Mechanical Engineering

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PENGARUH WAKTU PENUAAN TIRUAN TERHADAP KEKERASAN PADUAN Al-10Si-3Cu Muhammad Syahid; Hairul Arsyad; Abdul Fatah Rozali
ROTOR 2017: ROTOR Special Edition
Publisher : Jurusan Teknik Mesin Fakultas Teknik Universitas Jember

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (341.659 KB) | DOI: 10.19184/rotor.v0i0.7694

Abstract

Al-Si alloy is one of the alloys that are widely used in the industry because it has a good cast and good strength. To increase its mechanical strength Cu alloy can be added which can be covered. Al-10Si-Cu alloy is one of the alloys commonly used in industry, especially the automotive industry because it has excellent mechanical strength. This research is focused on looking at the effect of artificial aging on T6 heat treatment to increase the hardness of Al-10Si-3Cu alloy results from casting. Dilution behavior was carried out at a temperature of 520 oC for 2 hours then quenched in water and then performed artificial aging carried out at 130oC with aging time varying from 5 minutes to 120 hours. Material characterization carried out hardness testing, tensile test, microstructure observation with an optical microscope. The highest hardness was obtained with an 80 hour holding time of 86.05 BHN where CuAl2 precipitates underwent optimum conditions. The most upper tensile strength was collected at 80 hours holding time, namely 335.063 MPa with strain value 1.133%. A low strain value indicates that this condition has begun to overgrow, so embryo has started to occur. Keywords: heat treatment, aluminum, Al-10Si, artificial aging Keywords: heat treatment, aluminum, Al - 10Si, artificial aging
Co-Authors Hairul Arsyad Muhammad Syahid