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Trihendriana, Andri
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Civil Engineering, Building, Construction & Architecture Computer Science & IT Industrial & Manufacturing Engineering Mechanical Engineering

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The Impact of Chamotte Sand on the Mechanical and Physical Characteristics of Ceramic Molds Made of Chromite Sand Arbintarso, Ellyawan Setyo; Slamet, Sugeng; Khasanah, Rahayu; Suharto, Suharto; Aliyadi, Riswan; Trihendriana, Andri
Jurnal IPTEK Vol 29, No 2 (2025): December
Publisher : LPPM Institut Teknologi Adhi Tama Surabaya (ITATS)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31284/j.iptek.2025.v29i2.8433

Abstract

Casting flaws are common in the high-temperature steel casting process, particularly surface flaws and rough surfaces. One option to avoid these surface defects is to use sand with a higher melting point, like chromite sand. This study is an extension of the previous research, which found that chromite sand, a ceramic mold material, frequently fractures during the sintering process. Chamotte sand material of 3% and 5% by weight has been applied as a binder to chromite sand to improve this. With an ideal sintering temperature of 1,050°C, two ceramic sintering processes, the Shaw and the Unicast processes—have been used. To determine the chromite-chamotte sand mixture's potential as a ceramic mold material, tests for cold crushing strength (CCS), modulus of rupture (MoR), permeability, and refractory were conducted. The mixture with 3% wt chamotte sand with the Shaw sintering technique provided the highest results and was appropriate for ceramic mold.
Co-Authors Aliyadi, Riswan Arbintarso, Ellyawan Setyo Khasanah, Rahayu Sugeng Slamet Suharto Suharto