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Journal : Advance Sustainable Science, Engineering and Technology (ASSET)

Influence of Mixing Time on the Hardness and Structure of Local Clay-Based Crucibles Rusiyanto; Rifky Ismail; Athanasius Priharyoto Bayuseno; Daffa Agya Mahardika; Fitriyana, Deni Fajar; Wirawan Sumbodo; Aldias Bahatmaka
Advance Sustainable Science Engineering and Technology Vol. 8 No. 1 (2026): November - January
Publisher : Science and Technology Research Centre Universitas PGRI Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26877/asset.v8i1.2314

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.
Co-Authors - Ramelan Ahmad Fauzi Aldias Bahatmaka Ali Subkhi, Ali Allam, Tri Syamsul Aprilian, Johan Andric Ari Dwi Nur Indriawan M. Asri, Sarwi Athanasius Priharyoto Bayuseno Azas Ramang Pambudi, Azas Budiarso Eko Budiman, Febrian Arif Cahyanto, Septian Eko Citra Satria P, Citra Daffa Agya Mahardika Dony Hidayat Al janan, Dony fajar, syahwal Fajri, Novila Rojabni Farokhi, Mohammad Farokhi, Mohammad Fathur Rokhman Fitriyana, Deni Fajar Heri Yudiono Hidayat, Wakhid Muhlisin Hintan Purnama, Ahmad Ridwan Hintan Purnama, Ahmad Ridwan I Made Sudana Isyrouddin, Faishol Aziz Isyrouddin Aziz Khakim, Faisal Khumaedi, Muhammad Kriswanto Kriswanto Kriswanto, Kriswanto Kurniawan, Aldi Kusnanto , Wawan  M. Nuril Anwar Habiby Mizani Yunistyar Santoso, Mizani Yunistyar Muhammad Khumaedi Muhammad Zulfikar Mujahid, Ma'ruf Murdani . Murdani Murdani, Murdani Musyono, Ari Dwi Nur Indriawan Nashiruddin, Ahmad Syafiq Nurrohmah, Sinta Indiarti Nursiam, Kuat Pramono Pramono Pramono, Pramono Prasetya, Deni Bagus Rahmadhi, Arif Ramelan Ramelan Riendy Wardhana, Riendy Rifa'i, Muhammad Arifian Rifky Ismail Rizki Setiadi Rizkiawan, Dedy Rizqi Fitri Naryanto Rusiyanto Rusiyanto Rusiyanto, Rusiyanto Salim Salim Saputra, Luffy Eza Saputro, Fathony Nada Setiadi, Rizki Soesanto -, Soesanto Sonika Maulana Sulestiyawan, Muhammad Sunyoto Sunyoto Suratno Margo Sulistyo Suwahyo - Tri Joko Raharjo Utomo, M. Arif Setyo Wahyu Widiyanto Wawan  Kusnanto  Widiantoro, Ana Wilda Widiantoro, Ana Wilda Widiatmaka, F. Pambudi Widya Aryadi Yeri Sutopo Yosi Ramadhan, Yosi yuniarsih, tinna