📅 23 December 2025
DOI: 10.26877/asset.v8i1.2314
Influence of Mixing Time on the Hardness and Structure of Local Clay-Based Crucibles
Advance Sustainable Science, Engineering and Technology
Universitas Persatuan Guru Republik Indonesia Semarang
📄 Abstract
Although clay crucibles are frequently utilized in regional industries, their inadequate mechanical strength often causes durability issues. This study investigates the influence of mixing duration on the Vickers hardness and macrostructure of crucibles composed of local clay, kaolin, and molasses. The composition was made up of 47.5% clay, 47.5% kaolin, and 5% molasses as a binder, with 15% water added relative to the total weight. Durations of 15, 30, and 45 minutes were evaluated to determine their impact on material qualities. The findings indicated a positive relationship between mixing duration and hardness. At 15 minutes, the mean hardness was 4.1 HV, which escalated to 8.5 HV at 30 minutes and 12.4 HV at 45 minutes. The increased hardness with extended mixing durations indicates a more homogeneous particle dispersion and enhanced bonding among the raw ingredients. The findings suggest that increasing the mixing time can elevate the quality and longevity of locally manufactured crucibles, rendering them more appropriate for small-scale metallurgical applications.
🔖 Keywords
#crucible; local clay; kaolin; mixing time; binder; refractory material; Vickers hardness
ℹ️ Informasi Publikasi
Tanggal Publikasi
23 December 2025
Volume / Nomor / Tahun
Volume 8, Nomor 1, Tahun 2025
📝 HOW TO CITE
Rusiyanto; Rifky Ismail; Athanasius Priharyoto Bayuseno; Daffa Agya Mahardika; Fitriyana, Deni Fajar; Wirawan Sumbodo; Aldias Bahatmaka, "Influence of Mixing Time on the Hardness and Structure of Local Clay-Based Crucibles," Advance Sustainable Science, Engineering and Technology, vol. 8, no. 1, Dec. 2025.
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