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All Journal Media Mesin: Majalah Teknik Mesin
Muhammad Ibnu Pamungkas
Engineering Faculty, Mechanical Engineering Department, Universitas Muhammadiyah Surakarta
Mechanical Engineering

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THE EFFECT OF HEAT TREATMENT AND PRESSING AT 400 °C WITH COCONUT SHELL CHARCOAL MEDIA ON THE HARDNESS, MICROSTRUCTURE, AND DENSITY OF AL-SI ALLOYS Masyrukan Masyrukan; Agung Setyo Darmawan; Agus Hariyanto; Pramuko Ilmu Purboputro; Hanif Alfian Ihwanudin; Muhammad Ibnu Pamungkas
Media Mesin: Majalah Teknik Mesin Vol 23, No 2 (2022)
Publisher : Program Studi Teknik Mesin, Universitas Muhammadiyah Surakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23917/mesin.v23i2.19347

Abstract

This study aims to determine the effect of the heat treatment process and pressing on hardness, density, and morphological changes in the microstructure of Al-Si alloys. In this study, the medium used was coconut shell charcoal with a mesh size of 80 at a heat treatment process of 400 °C and a holding time of 75 minutes. The pressing was carried out with a load of 150 N. The result of this research is an increase in the hardness of the Al-Si alloy with an average value of 133 VHN after the Heat Treatment and pressing process. In the microstructure, there is a morphological change in the Al-Si alloy with the reduction of Si elements and also an increase in the density value after the heat treatment process.
Co-Authors Agung Setyo Darmawan Agus Hariyanto Hanif Alfian Ihwanudin Masyrukan, M Pramuko Ilmu Purboputro