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Fitriyana, Deni Fajar
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Journal : Rekayasa Mesin

 1 
Pengaruh Thermal Shock dan Komposisi Evaporation Boats, Semen Tahan Api, dan Pasir Silika terhadap Kekuatan Impact dan Foto Makro Lining Refractory Fajri, Novila Rojabni; Rusiyanto, Rusiyanto; Widodo, Rahmat Doni; Sumbodo, Wirawan; Fitriyana, Deni Fajar
Jurnal Rekayasa Mesin Vol 12, No 1 (2021)
Publisher : Jurusan Teknik Mesin, Fakultas Teknik, Universitas Brawijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21776/ub.jrm.2021.012.01.2

Abstract

The thermal shock behavior of ceramic refractory materials is of particular interest. Refractory materials are submitted to local temperature gradients in service that originate thermal stresses and thermal shock damage to the material. However, thermal shock treatment on the refractory made from evaporation boat waste is not well documented. The purpose of this study is to determine the effect of thermal shock on the strength of refractory with various compositions. In this study, the refractory was made using 100% refractory cement (sample 1). For Sample 2, the refractory was made from a mixture of refactory cement and evaporation boats waste, each of 50%: 50%. Meanwhile, specimen 3 of the refractory is made from a mixture of refactory cement, evaporation boat waste, and silica sand of 40%: 50%: 10%, respectively. The Thermal shock treatment is carried out at a temperature range of 100 – 700oC for each specimen. The effect of thermal shock treatment on the mechanical properties of each refractory specimen was investigated using the impact and macrography test. Temperature variations in thermal shock have different effects on the level of impact strength on impact test specimens. The lowest strength was 0,012297735 J/mm2 at thermal shock 7000C in sample 3, and the highest impact strength was 0,03928934 J/mm2 at 400oC thermal shock temperature in sample 2. The macrographic examination shows the higher the thermal shock temperature, the greater the fracture produced when the impact test is carried out. This is because the hardness of the refractory material increases.
Pengaruh Waktu Pencampuran terhadap Kekerasan Vickers Material Crucible Berbahan Limbah Evaporation Boats, Kaolin dan Semen Tahan Api Triyanto, Sandy; Rusiyanto, Rusiyanto; Widodo, Rahmat Doni; Anis, Samsudin; Fitriyana, Deni Fajar
Jurnal Rekayasa Mesin Vol 12, No 2 (2021)
Publisher : Jurusan Teknik Mesin, Fakultas Teknik, Universitas Brawijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21776/ub.jrm.2021.012.02.10

Abstract

Evaporation boat waste contains Boron Nitride (BN) and Titanium Diboride (TiB2) so that it has electrically conductive properties with high resistance to chemicals and heat. In addition, the combination of these materials has high thermal conductivity properties with a melting point of up to 2700oC and has an oxidation resistance of up to 1000oC so it is very suitable if applied to crucibles, or refractory. The purpose of this study was to determine the effect of mixing duration on the hardness of the crucible material made from a mixture of evaporation boats waste, kaolin and fire mortar SK-34. The mixing process of evaporation boats waste, kaolin and refractory cement is carried out using a mixer machine with a duration of 30, 60 and 90 minutes. The compaction process was carried out on the mixture with a force of 40 kg/cm2 to produce a cylindrical test specimen. After seven days, the specimens were sintered at 1000oC for 2 hours. The hardness test process was carried out with the FM-800 microhardness tester machine to determine the effect of mixing duration on the final product hardness. The highest hardness of 37,2 HV was found in the final product with a mixing duration of 90 minutes. The hardness of final product is increasing with an increase in mixing duration.
PENGARUH UKURAN PARTIKEL SERBUK EVAPORATION BOATS DALAM PEMBUATAN KOWI (CRUCIBLE) TERHADAP KEKUATAN IMPACT DAN STRUKTUR MAKRO Jurdan Fulandy Siswoyo; Rusiyanto Rusiyanto; Rahmat Doni Widodo; Sunyoto Sunyoto; Deni Fajar Fitriyana
Jurnal Rekayasa Mesin Vol. 14 No. 1 (2023)
Publisher : Jurusan Teknik Mesin, Fakultas Teknik, Universitas Brawijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21776/jrm.v14i1.806

Abstract

Kowi or crucibles come from refractory materials. This study aims to determine the effect of the powder particle size of evaporation boats on impact resistance and macro structure. The research method used is experimental research. The variation applied was a variation of the particle size of the evaporation boats (80, 100, and 120 mesh) as much as 50% (grams) mixed with 25% (gram), kaolin, and 25% (gram) mortar. The mixture of these ingredients is added 15% (grams) of water from the total weight of the mixture. Mixing using a mixer for 1 hour and adding water. Then the material is put into a specimen mold with ASTM D256 standards and compacted at 60kg/cm2 using a hydraulic press. Sintering at 1000ËšC was carried out using an oven with a heating rate of 5ËšC / minute and a holding time of 2 hours. The highest impact price on average of 0.002828936 Joule/mm2 was obtained for the use of mesh 120 evaporation boats particle size and the lowest average impact price of 0.002633081 Joule / mm2 was obtained for the use of mesh 80 evaporation boats powder particle size. The macro structure of firing results and the best density is obtained from the use of the mesh 120 and 100 evaporation boats particle size and a fracture occurs on the flatter surface of the specimen than 80 and 100 evaporation boats mesh.
Co-Authors A. P. Bayuseno Abdul Haris Abdul Latif Abdurrahman Abdurrahman Achmad Erlangga Bintang Samodra Adhi Kusumastuti Agus Prasetyo Agustinus Purna Irawan Ahmad Athoillah Akmal Putra Fardinansyah Al Ichlas Imran Aldias Bahatmaka Alfiana Fitri Istiqomah Alrasyid, Mochamad Dzaki Amrizal, Abdi Gilang Andi Abdullah Ghyferi Andri Setiyawan Ardhianto, Mochamad Marte Aripin, Muhammad Bustanul Atanasius Priharyoto Bayuseno Athanasius Priharyoto Bayuseno Athanasius Priharyoto Bayuseno Atika Atika Ayub Budhi Anggoro, Ayub Budhi Baharudin Priwintoko Bawono, Ayus Dios Buana, Lanang Puspa Chusni Ansori Cionita, Tezara Darsono, Febri Budi Dimyati, Saeful Elisya Rohana Etanto Heiliano Wijayanto Fahmi, Fiqri Fadillah Fajri, Novila Rojabni Fardinansyah, Akmal Putra Fiqri Fadillah Fahmi Frans Augusthinus Asmuruf Fuad Arief Raharjo Galih Taqwatomo Ghyferi, Andi Abdullah Gunawan Dwi Haryadi Guteres, Natalino Fonseca Da Silva Guterres, Natalino Fonseca Da Silva Hadi, Agung Efriyo Hanif Hidayat Hidayat, Indra Nurul Hidayat, Wakhid Muhlisin Hyung, Cho Joung I Nyoman Jujur Imanu Danar Herunandi Imran, Al Ichlas Iskandar Norman Iskandar, Ranu Ismail, Nur Hidayah Istiqomah, Alfiana Fitri Iwan Setyadi Jamiluddin, Jamiluddin Janiviter Manalu Januar Parlaungan Siregar Januar Parlaungan Siregar Januar Parlaungan Siregar Jefri Bale JOHNSON SIALLAGAN Junaedi, Thomas Jurdan Fulandy Siswoyo Kalatharan, Sujentheran Nair Kamis, Arasinah Kano, Christina Paulina Karomi, Dimas Adib Kharisma Rizki Septareza Khristhoper Aris Arianto Manalu Kriswanto Kriswanto, Kriswanto Laksono, Aryo Eko Laksono, Galih Tri M. Dzulfikar M. Dzulfikar M. Thooriq Anwar Manalu, Janviter Marlangen, Retno Mat Rejab, Mohd Ruzaimi Mat Rejab, Mohd. Ruzaimi Meiartha, REGA Mochamad Marte Ardhianto Mochammad Marte Ardianto Moh. Jufriyanto Mohd Ruzaimi Mat Rejab Mubarok, D.I. Muhamadin, Rilo Chandra Muhammad Afrizal Muhammad Dzulfikar Muhammad Fahrizal Almeir Muhammad Habibullah Muhammad Khafidh Muhammad Rezha Assalam Muhammad Yusuf Wibowo Muhammad Zulfikar Muhammad, Katon Muji Setiyo Murti Ayu Nur Safitri Natalino Fonseca Da Silva Guterres Ninda Kurniadi Nizar Alamsyah Norman Iskandar Norman Iskandar Norman Iskandar Nubli, Haris Nugroho, Rizky Fajar Nursafitri, Murti Ayu Pahlawan, Ilham Arifin Permata Ningtyas, Alviani Hesthi Pramesti, Santinia Andiva Prasetyo, Ares Yudi Pratama Eka P. S Prawibowo, Hartanto Prayogo, Wisnu Puspitasari, Windy Desti Putera, Finny Pratama Putra, Naufal Bahy Putri Agustin Priyani Rafif Dimas Pratama Rahmat Doni Widodo Rifky Ismail Rifky Ismail Risky Ismail Rizal Maulana Rizki Setiadi Rizqi Fitri Naryanto Romualdus Satrio Senoaji Rozanna Dewi Rusiyanto Rusiyanto, Rusiyanto Rusiyanto, R. Samsudin Anis Septian Eko Cahyanto Setiadi, Rizki Setiawan, Nur Ervil Silva, Mateus De Sousa Da Siregar, Januar Parlaungan Sonika Maulana sri Nugroho Sri Nugroho Sudiyono, S. Sulardjaka Sulardjaka Sulardjaka Sulardjaka Sulistyo Sulistyo Sulistyo Sulistyo Sunyoto Sunyoto Suwahyo - Tezara Cionita Tezara Cionita Thesar Aditya Nurcholis Thomas Junaedi Triyanto, Sandy Wahyu Hidayat Wibowo, Muhammad Yusuf Wicaksana, Yazid Surya Wijayanto, Etanto Heiliano Wirawan Sumbodo Wisnu Prayogo Yabansabra, Yuliana Ruth Yotenka, Rahmadi Yuris Setyoadi Yusuf Subagyo Zaenal Abidin