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All Journal Rekayasa Mesin Briliant: Jurnal Riset dan Konseptual
Wijayanto, Hendi Lilih
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Civil Engineering, Building, Construction & Architecture Computer Science & IT Education Mechanical Engineering

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DESIGN AUTOMATION STORAGE PENGHAMBAT LAJU KOROSI SPARE PART MESIN DAN HASIL PRODUKSI PEMESINAN Wijayanto, Hendi Lilih; Hidayat, Hidayat; Siswanto, Yudi; Pratigto, Setiarto; Yusdianto, Yusdianto
BRILIANT: Jurnal Riset dan Konseptual Vol 10 No 1 (2025): Volume 10 Nomor 1, Februari 2025
Publisher : Universitas Nahdlatul Ulama Blitar

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.28926/briliant.v10i1.1475

Abstract

The development of technology is increasingly advanced in this modern era, making human life inseparable from the use of machines. These machines must have various spare parts made from steel/iron. In addition, the machining production of these machines is made of steel / iron which can be corroded. Corrosion is a decrease in metal quality caused by the environment or chemicals and affects the condition of a material. The way to overcome the occurrence of corrosion in iron, especially engine spare parts and machining production results is by designing and making corrosion rate inhibitor storage automation as a storage medium for engine spare parts and machining production results. The design of this machine is carried out in several stages, namely planning, design, manufacture, and testing. This research was conducted with the parameters of the results of spraying lubrication and temperature control. From the results of experiments that have been carried out, this storage automation is able to spray lubrication in accordance with the timing that has been set and is able to control the temperature in the storage so that the tool is able to inhibit the rate of corrosion on the workpiece.
ANALISA PENGARUH DAYA LASER MARKING TERHADAP LAJU KOROSI AISI 304 STAINLESS STEEL Wijayanto, Hendi Lilih; Muh. Azis albar J; Yusdianto, Yusdianto; Setiawan, Angga Tegar; Putra, Aditya Perdana
BRILIANT: Jurnal Riset dan Konseptual Vol 9 No 3 (2024): Volume 9 Nomor 3, Agustus 2024
Publisher : Universitas Nahdlatul Ulama Blitar

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.28926/briliant.v9i3.1484

Abstract

The purpose of this study is to determine the effect of power on marking quality, namely groove geometry and marking visibility and corrosion rate on AISI 304 stainless steel fiber laser marking material in corrosive seawater media. This is important because based on the results of the analysis report from the information department, the results of fork and spoon products experience corrosion, especially in the area of laser marking results. In this study, the surface of AISI 304 stainless steel material is given laser marking treatment with power variations, namely 20 and 60 W. The results of SEM testing will be carried out to obtain data on the results of groove geometry and visibility of the marking results. Furthermore, the AISI 304 stainless steel material from the marking is immersed in corrosive sea water media for a span of 60, 90 and 120 days to measure the corrosion rate that occurs. As a result, the AISI 304 stainless steel marking material is also subjected to SEM observation to determine the type of corrosion and surface morphology of the laser marking results due to the influence of corrosion that occurs. It is expected that the results of this study will be able to provide recommendations for work process parameters in laser marking that can be applied to spoon and fork products as optimal parameters for improving the quality of better marking results.
Surface Hardening of Mild Steel: The Role of Carbon Source in Pack Carburizing on Hardness and Microstructure Atmoko, Nugroho Tri; Margono, Margono; Wijayanto, Hendi Lilih; Supriyanto, Agung; Tarigan, Roy Aries Permana
Jurnal Rekayasa Mesin Vol. 17 No. 2 (2026)
Publisher : Jurusan Teknik Mesin, Fakultas Teknik, Universitas Brawijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21776/ub.jrm.v17i2.2178

Abstract

One effective approach to improve the surface hardness of steel is pack carburizing, in which carbon is introduced into the surface in a sealed chamber. This study investigates the effect of different carbon powder media on the surface hardness and microstructure of low-carbon steel subjected to pack carburizing. Three carbon sources were employed: bamboo charcoal, coconut shell charcoal, and beef bone charcoal. Each carburizing medium was prepared by mixing 70 wt.% carbon powder with 30 wt.% Ba₂CO₃ energizer. The carburized specimens were characterized by Vickers hardness testing and optical metallography to evaluate hardness response and carbon diffusion depth. The results show that pack carburizing significantly increases surface hardness, with the highest hardness obtained with bamboo charcoal, reaching 416.4 HVN, corresponding to a 59.4% increase over the base material's hardness of 156.8 HVN. Microstructural observations confirm that the carbon diffusion depth depends strongly on the carbon source, with the greatest depth of 538 μm from the surface also observed with bamboo charcoal. These findings indicate that bamboo-based carbon media are particularly effective for enhancing the surface properties of low-carbon steel through pack carburizing.
Co-Authors Agung Supriyanto, Agung Atmoko, Nugroho Tri Hidayat Hidayat Margono Margono Muh. Azis Albar. J Putra, Aditya Perdana Setiarto Pratigto Setiawan, Angga Tegar Tarigan, Roy Aries Permana Yudi Siswanto Yusdianto Yusdianto