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All Journal MATEMATIKA Jurnal Natur Indonesia Jurnal Sains dan Seni ITS IPTEK The Journal for Technology and Science Jurnal technoscientia UNEJ e-Proceeding BAREKENG: Jurnal Ilmu Matematika dan Terapan The Spirit of Society Journal : International Journal of Society Development and Engagement Industri Inovatif : Jurnal Teknik Industri Square : Journal of Mathematics and Mathematics Education JURNAL TEKNOLOGI TECHNOSCIENTIA JURNAL FLYWHEEL Jambura Journal of Biomathematics (JJBM) Journal of Sustainable Technology and Applied Science Journal of Fundamental Mathematics and Applications (JFMA) Prosiding Konferensi Nasional Penelitian Matematika dan Pembelajarannya Sewagati Limits: Journal of Mathematics and Its Applications International Journal of Computing Science and Applied Mathematics-IJCSAM
Basuki Widodo
Departemen Matematika Institut Teknologi Sepuluh Nopember
Agriculture, Biological Sciences & Forestry Arts Humanities Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Earth & Planetary Sciences Economics, Econometrics & Finance Education Energy Engineering Environmental Science Industrial & Manufacturing Engineering Languange, Linguistic, Communication & Media Materials Science & Nanotechnology Mathematics Mechanical Engineering Physics Public Health Social Sciences Transportation Other

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Journal : Journal of Sustainable Technology and Applied Science

 1 
UTILIZATION OF VOLUME COMPOSITE FRACTION IN KEPOK BANANA STEM (MASSA PARADISIACA) RANDOM CORNER ORIENTATION WITH POLYESTER MATRIX AGAINST THE MECHANICAL CHARACTERISTIC Widodo, Basuki; Subardi, Anang
Journal of Sustainable Technology and Applied Science (JSTAS) Vol. 1 No. 1 (2020): Journal of Sustainable Technology and Applied Science, May 2020
Publisher : Lembaga Penelitian dan Pengabdian Masyarakat, Institut Teknologi Nasional (ITN) Malang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36040/jstas.v1i1.2611

Abstract

This study aims to determine the effect of volume fraction (10%, 20%, 30%, 40%, 50%) of composite banana stem fiber with polyester matrix on tensile strength and impact strength. From the results of the study obtained an average strength value the most optimal tensile is found in the 10% fiber volume fraction and 90% matrix that is 51.863 N/mm2 and strain value 5.754 N/mm2. As for the lowest tensile strength at 20% fiber volume fraction and 80% matrix that is 36.356 N/mm2 and strain value 7.796%. The composite which has the highest average energy and impact value is the 50% volume fraction matrix 50% has an absorption rate with an average absorbed energy value of 0.8093 Joules and an average Impact Price of 0.0101 Joules / mm2, while the lowest in the volume fraction of 20%, 80% matrix with an average energy value of 0.4129 Joules and an average Impact Price of 0.0052 Joules/mm2. It can be concluded that the addition of fiber volume fraction affects the tensile strength and impact strength.
ADDITION OF MAGNESIUM (Mg) WITH ALUMINA (AL2O3) REINFORCER IN ALUMINUM MATERIAL COMPOSITES ON THE MECHANICAL PROPERTIES AND MICRO STRUCTURES Widodo, Basuki; Sasmito , Agung Panji
Journal of Sustainable Technology and Applied Science (JSTAS) Vol. 2 No. 2 (2021): Journal of Sustainable Technology and Applied Science, November 2021
Publisher : Lembaga Penelitian dan Pengabdian Masyarakat, Institut Teknologi Nasional (ITN) Malang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36040/jstas.v2i2.4159

Abstract

Aluminum is a widely used and applied material in daily life or in the industrial and automotive world. In order to improve the performance and properties of the application to be used, it needed an alloying element to improve the mechanical properties of the aluminum. Aluminum Matrix Composite (AMC) or better known as aluminum matrix composite is one type of material that has great potential to be developed, due to its good combination and properties such as high strength and hardness, low density, low density, capable of good machining, and its basic ingredients are easily found on the market and cheaper than other materials. This research was conducted using the stir casting process to be able to mix all the compositions contained in aluminum matrix composites and to help the distribution of alumina reinforcing particles (Al2O3) and aluminum matrices be evenly distributed. The parameters used in this casting process are varying the volume fraction of the Al2O3 amplifier by 0.5%; 1.5% and 2.5% plus the magnesium content remains 0.9%. The results showed that the addition of Al2O3 can increase the value of hardness and reduce the value of tensile strength. The highest hardness value was 75.3 HRB at the addition of Al2O3 by 2.5% and the lowest tensile strength value was 7.17 Kgf / mm2 with the percentage of Al2O3 addition of 0.5%.
STIR CASTING METHOD ON ALUMINA (Al2O3) COMPOSITE MATRIX WITH SiC STRENGTHEN AND MAGNESIUM (Mg) ADDITION TO MICROSTRUCTURE AND MECHANICAL PROPERTIES Widodo, Basuki; Wahyu Panji Asmoro; Amirullah Firmansyah
Journal of Sustainable Technology and Applied Science (JSTAS) Vol. 3 No. 2 (2022): Journal of Sustainable Technology and Applied Science, November 2022
Publisher : Lembaga Penelitian dan Pengabdian Masyarakat, Institut Teknologi Nasional (ITN) Malang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36040/jstas.v3i2.4160

Abstract

Aluminum is a material that has the ability as a material that is widely used because of its light weight, good corrosion resistance, good appearance, reliable electrical conductor, good electricity conductor, and several other advantages of this material. The development of aluminum (Al) material in the form of aluminum matrix composite (AMC) is often applied in various fields including automotive, industry, military, and aviation. The reinforcing particle that is often used in AMC is silicon sarbide (SiC) to improve the properties of AMC. The addition of magnesium (Mg) is useful as a wetting agent for reinforcing particles and matrices. This study aims to determine the effect of adding magnesium (Mg) on the mechanical properties and microstructure of the aluminum matrix composite 1100 series reinforced with silicon carbide (SiC) using the stir casting method. The reinforcing silicon carbide (SiC) particles were added to the aluminum matrix composite (Al) by 5%. The variations in the addition of magnesium were 0.75%, 1.25%, and 1.75% as wetting agents. To find out the mechanical properties, this research was carried out by testing the tensile strength and hardness. The hardness test results showed the highest hardness in the magnesium (Mg) 1.75% variation of 84.67 HRB and the highest tensile strength in the pure aluminum (Al) variation of 9.41 Kgf/mm2.
Co-Authors A.A. Ketut Agung Cahyawan W Abid Hussanan Abid Hussanan Agung Panji Sasmito Aladin Eko Purkuncoro Amirullah Firmansyah Anang Subardi Anggriani, Indira Anuar Ishak Anuar Ishak Asyhar, Ahmad H. Aulia Rahma Azaria Dhea Rismaya Bakti S, Dwi Berliana Fitria Dewi Chairul Imron, Chairul Dieky Adzkiya Dimas Aji Yudistira Hakam, Amirul Hardiyanto Hardiyanto I Nyoman Sudiasa Iftitah Ruwana Indira Yudha Wisnubaskara Isnainatul Mayagrafinda Isnainatul Mayagrafinda Jason Otniel Dharmanta Kamiran Kamiran Kamiran Kamiran Mardianto, Lutfi Marina Revitriani Meidyta Sinantryana Widyaswari, Meidyta Sinantryana Meilia Tri Andari Mochamad Satria Dharma Utama Mochtar Asroni Mohammad Ghani Mohammad Imam Utoyo Mohd Zuki Salleh Mohd Zuki Salleh Mudmainnah Farah Dita Mufatin Fauziyah Muhammad Khairul Anuar Mohamed Muhammad Khairul Anuar Mohamed Muslichah Erma Widiana Nor Aida Zuraimi Md Noar Nor Aida Zuraimi Md Noar Norasia, Yolanda Norhafizah Md Sarif Norhaļ¬zah Md Sarif Nur Asiyah Nur Asiyah Nur Asiyah Pamela, Eirene Juwita Ningtyas Rahayu Oktavia Putri Rina Sahaya Soehardjoepri Soehardjoepri Sonya Nadhea Magdalyna Suhariningsih Suhud Wahyudi Syahputri, Denisa Dwi Tafrikan, Mohamad Toto Nusantara Tri Rahayuningsih Tri Rahayuningsih Tri Yogi Yuwono Triyogi Yuwono Tunjung Eviloka Tunjung Eviloka Wahyu Panji Asmoro Widodo, Feri Widodo, Feri Yerahmeel Dwiyawara Yolanda Norasia