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All Journal ICETIA Patria Artha Technological Journal Jurnal Inovasi Teknologi Terapan
Amat Umron
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Agriculture, Biological Sciences & Forestry Computer Science & IT Control & Systems Engineering Electrical & Electronics Engineering Energy Engineering Mechanical Engineering Other

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NUMERICALANALYSIS of MECHANICAL DISTORTIONBEHAVIOR of MULTIMATERIAL PRODUCTSWITH BLOCK FORMATIONCu-Ni Amat Umron; Susilo Adi Widyanto
ICETIA Vol 1, No 1 (2016)
Publisher : ICETIA

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (431.696 KB)

Abstract

Abstract—The setting of physical and mechanical behavior of aproduct increasingly necessary to improve the economical aspects.One applicative techniques that can be done is the incorporation ofthe material making up a product with variations in the type andposition. This study models the bimetal products by varying theposition of the combination block Cu-Ni. Simulation using FiniteElement Method (FEM), the results obtained in the form of deflectionand twist angle. From the simulation results obtained smallestdeflection occurs in combination model block length and deflectionCu-Ni greatest model of Cu-Ni horizontal position. While thesmallest torsional angle for temperature occurs in a wide combinationmodel block Cu-Ni and greatest torsional angle occurs in blocks widevariation model combination Cu-Ni.
Rancang Bangun Mesin Penyaring Ukuran Ikan Teri Semi Otomatis Gocal Pauwa; Bambang Bambang; Sandi Rais; Amat Umron; Syamsul Bahri LM
Patria Artha Technological Journal Vol 6, No 2 (2022): Patria Artha Technological Journal
Publisher : Department of Electrical Engineering, University of Patria Artha

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33857/patj.v6i2.654

Abstract

Research on the design of an anchovy filter machine was carried out with the aim of designing a fish-size ring machine using a capacity dynamo and a dimmer as a regulator of movement speed and fish. The design is made with specifications for the size of iron as a framework, with a height of 745 mm, a width of 430 mm, and a length of 800 mm. There are two sizes of fish measuring at the top and 1/6 inch at the bottom. The engine uses a 2200 Volt dynamo and a dimmer. From the results of the dynamo rotation speed test, the rotational speed produced by pulley 1 is greater than pulley 2. The difference in rotational speed on pulley one and pulley two is caused by a change in the transmission system with the addition of a fan belt between pulley 1 and pulley 2. The rotation produced by the rotation of pulley 1 is a rotation that is directly connected to the dynamo so that the number of rotations will be greater. While the rotation produced by pulley 2 is the rotation of the transmission system. Puli 2 will rotate to move the axle, which is connected to the Pillow Block. Measurement of dynamo flow and voltage is carried out to see how much rotation mode on the dimmer will be used to speed up or slow down the rotation of the dynamo. The small size of the dynamo that is used causes the dimmer mode that is used to start at mode 7 on a scale of 1-9 modes contained in the dimmer.
Pengaruh Bentuk Geometri terhadap Laju Korosi Baja Karbon dalam Larutan NaCl 3,5% Rudi Hartono; Amat Umron; Utdin F Amali
Jurnal Inovasi Teknologi Terapan Vol. 4 No. 1 (2026): Jurnal Inovasi Teknologi Terapan
Publisher : Politeknik Manufaktur Negeri Bangka Belitung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33504/jitt.v4i1.440

Abstract

The geometry of metal components is an important factor influencing corrosion behavior, particularly localized corrosion. This study aims to analyze the effect of geometric variations on the corrosion rate of carbon steel through a simulated laboratory experimental approach. Carbon steel specimens were fabricated with three different geometries, namely flat surface, sharp-edged surface, and crevice geometry. Corrosion testing was conducted using immersion and potentiodynamic polarization methods in a 3.5% NaCl solution. The analyzed parameters included mass loss corrosion rate, corrosion potential, and corrosion current density. The results showed that crevice specimens exhibited the highest corrosion rate, followed by sharp-edged specimens, while flat surfaces demonstrated the best corrosion resistance. This behavior is attributed to the formation of differential aeration cells and non-uniform current density distribution caused by geometric variations. These findings highlight the importance of considering geometric design in corrosion mitigation strategies for metal components.
Co-Authors Bambang Bambang Damayanti, Elok Gocal Pauwa Rais, Sandi Rudi Hartono Susilo Adi Widyanto Utdin F Amali